{"id":453,"date":"2024-12-23T06:47:34","date_gmt":"2024-12-23T06:47:34","guid":{"rendered":"https:\/\/www.wrapfilmtest.com\/?page_id=453"},"modified":"2025-01-13T09:10:44","modified_gmt":"2025-01-13T09:10:44","slug":"tensile-and-elongation-test","status":"publish","type":"page","link":"https:\/\/www.wrapfilmtest.com\/hr\/tensile-and-elongation-test","title":{"rendered":"Ispitivanje rastezanja i istezanja"},"content":{"rendered":"<div class=\"slider-wrapper relative\" id=\"slider-1914942967\" >\n    <div class=\"slider slider-nav-circle slider-nav-large slider-nav-light slider-style-normal\"\n        data-flickity-options='{            \"cellAlign\": \"center\",            \"imagesLoaded\": true,            \"lazyLoad\": 1,            \"freeScroll\": false,            \"wrapAround\": true,            \"autoPlay\": 6000,            \"pauseAutoPlayOnHover\" : true,            \"prevNextButtons\": true,            \"contain\" : true,            \"adaptiveHeight\" : true,            \"dragThreshold\" : 10,            \"percentPosition\": true,            \"pageDots\": true,            \"rightToLeft\": false,            \"draggable\": true,            \"selectedAttraction\": 0.1,            \"parallax\" : 0,            \"friction\": 0.6        }'\n        >\n        \n\n\n  <div class=\"banner has-hover\" id=\"banner-146653596\">\n          <div class=\"banner-inner fill\">\n        <div class=\"banner-bg fill\" >\n            <div class=\"bg fill bg-fill\"><\/div>\n                        <div class=\"overlay\"><\/div>            \n                    <\/div>\n\t\t\n        <div class=\"banner-layers container\">\n            <div class=\"fill banner-link\"><\/div>            \n\n   <div id=\"text-box-1223671402\" class=\"text-box banner-layer x50 md-x50 lg-x50 y50 md-y50 lg-y50 res-text\">\n                     <div data-animate=\"fadeInLeft\">           <div class=\"text-box-content text dark text-shadow-1\">\n              \n              <div class=\"text-inner text-center\">\n                  \n\n<h1>Ispitivanje rastezanja i istezanja<\/h1>\n<h2>\u2013 Analiza osnovnih mehani\u010dkih svojstava za u\u010dinkovitost omotne folije<\/h2>\n<p>\u00a0<\/p>\n<div class=\"is-divider divider clearfix\" ><\/div>\n\n<a href=\"https:\/\/www.wrapfilmtest.com\/hr\/contact\/\" target=\"_blank\" class=\"button success box-shadow-3\" rel=\"noopener\"  >\n    <span>Zatra\u017eite ponudu<\/span>\n  <\/a>\n\n\n\n              <\/div>\n           <\/div>\n       <\/div>                     \n<style>\n#text-box-1223671402 {\n  width: 83%;\n}\n#text-box-1223671402 .text-box-content {\n  font-size: 100%;\n}\n<\/style>\n    <\/div>\n \n\n        <\/div>\n      <\/div>\n\n            \n<style>\n#banner-146653596 {\n  padding-top: 30%;\n}\n#banner-146653596 .bg.bg-loaded {\n  background-image: url(https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/Wrap-Film-Test-Price-768x224.webp);\n}\n#banner-146653596 .overlay {\n  background-color: rgba(0, 0, 0, 0.25);\n}\n#banner-146653596 .bg {\n  background-position: 71% 54%;\n}\n<\/style>\n  <\/div>\n\n\n\n     <\/div>\n\n     <div class=\"loading-spin dark large centered\"><\/div>\n\n\t<\/div>\n\n\n<div class=\"row align-middle\"  id=\"row-1547874627\">\n\n\n\t<div id=\"col-1751331476\" class=\"col medium-6 small-12 large-6\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n<h2 class=\"lead uppercase\" style=\"text-align: left;\">Ispitivanje rastezanja i istezanja folija za omot<\/h2>\n<p>Otkrijte klju\u010dnu ulogu ispitivanja rastezanja i istezanja u osiguravanju da rastezljive folije zadovoljavaju industrijske standarde trajnosti i performansi. Saznajte vi\u0161e o ASTM D882, ISO 527-3 i naprednim metodama ispitivanja za vla\u010dnu \u010dvrsto\u0107u, prekidno istezanje i prekidno istezanje.<\/p>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-696341176\" class=\"col medium-6 small-12 large-6\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_1368696185\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner image-cover dark\" style=\"padding-top:75%;\">\n\t\t\t<img decoding=\"async\" width=\"309\" height=\"400\" src=\"https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/Wrap-Film-Tension-and-Stretch-Test-309x400.webp\" class=\"attachment-medium size-medium\" alt=\"Ispitivanje napetosti i istezanja folije\" srcset=\"https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/Wrap-Film-Tension-and-Stretch-Test-309x400.webp 309w, https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/Wrap-Film-Tension-and-Stretch-Test-618x800.webp 618w, https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/Wrap-Film-Tension-and-Stretch-Test-768x994.webp 768w, https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/Wrap-Film-Tension-and-Stretch-Test-1187x1536.webp 1187w, https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/Wrap-Film-Tension-and-Stretch-Test-1583x2048.webp 1583w, https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/Wrap-Film-Tension-and-Stretch-Test-510x660.webp 510w, https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/Wrap-Film-Tension-and-Stretch-Test-scaled.webp 1979w\" sizes=\"(max-width: 309px) 100vw, 309px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_1368696185 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n\t<section class=\"section\" id=\"section_1430154846\">\n\t\t<div class=\"bg section-bg fill bg-fill\" >\n\n\t\t\t\n\t\t\t<div class=\"section-bg-overlay absolute fill\"><\/div>\n\t\t\t\n\t<div class=\"is-border\"\n\t\tstyle=\"border-color:rgb(235, 235, 235);border-width:1px 0px 0px 0px;\">\n\t<\/div>\n\n\t\t<\/div>\n\n\t\t\n\n\t\t<div class=\"section-content relative\">\n\t\t\t\n\n<div class=\"row\"  id=\"row-761815712\">\n\n\n\t<div id=\"col-356873421\" class=\"col medium-4 small-12 large-4\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n\t<div id=\"text-2747065035\" class=\"text\">\n\t\t\n\n<h2 class=\"uppercase\">Za\u0161to je ispitivanje rastezanja i istezanja klju\u010dno za omotne folije?<\/h2>\n\t\t\n<style>\n#text-2747065035 {\n  text-align: left;\n  color: rgb(253, 253, 253);\n}\n#text-2747065035 > * {\n  color: rgb(253, 253, 253);\n}\n<\/style>\n\t<\/div>\n\t\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-369727804\" class=\"col medium-8 small-12 large-8\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n\t<div id=\"text-3794551260\" class=\"text\">\n\t\t\n\n<p>Zamotane folije, posebno rastezljive folije, izlo\u017eene su mehani\u010dkom optere\u0107enju tijekom transporta i rukovanja. Ispitivanje vla\u010dne \u010dvrsto\u0107e i svojstava istezanja osigurava da se folije mogu rastezati bez kidanja, osiguravaju\u0107i sigurno pakiranje.<\/p>\n<p>Filmovi za zamotavanje dizajnirani su da se raste\u017eu pod vla\u010dnom silom, \u0161to im omogu\u0107uje da se prilagode optere\u0107enjima nepravilnog oblika, a istovremeno odr\u017eavaju trajnost. Ova karakteristika smanjuje potro\u0161nju materijala bez ugro\u017eavanja za\u0161tite.<\/p>\n\t\t\n<style>\n#text-3794551260 {\n  color: rgb(255, 255, 255);\n}\n#text-3794551260 > * {\n  color: rgb(255, 255, 255);\n}\n<\/style>\n\t<\/div>\n\t\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n\n\t\t<\/div>\n\n\t\t\n<style>\n#section_1430154846 {\n  padding-top: 60px;\n  padding-bottom: 60px;\n  min-height: 300px;\n}\n#section_1430154846 .section-bg-overlay {\n  background-color: rgba(0,0,0,.5);\n}\n#section_1430154846 .section-bg.bg-loaded {\n  background-image: url(https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/Tensile-and-Elongation-Test.webp);\n}\n#section_1430154846 .section-bg {\n  background-position: 7% 42%;\n}\n<\/style>\n\t<\/section>\n\t\n<div class=\"text-center\"><div class=\"is-divider divider clearfix\" ><\/div><\/div>\n\n\t<div id=\"text-3043975851\" class=\"text\">\n\t\t\n\n<h2>Standardi koji definiraju ispitivanje rastezanja i istezanja<\/h2>\n\t\t\n<style>\n#text-3043975851 {\n  text-align: center;\n}\n<\/style>\n\t<\/div>\n\t\n\t<section class=\"section\" id=\"section_1712646511\">\n\t\t<div class=\"bg section-bg fill bg-fill  bg-loaded\" >\n\n\t\t\t\n\t\t\t\n\t\t\t\n\t<div class=\"is-border\"\n\t\tstyle=\"border-color:rgb(235, 235, 235);border-width:1px 0px 0px 0px;\">\n\t<\/div>\n\n\t\t<\/div>\n\n\t\t\t<div class=\"ux-shape-divider ux-shape-divider--top ux-shape-divider--style-arrow-2\">\n\t\t<svg viewbox=\"0 0 1000 100\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" preserveaspectratio=\"none\">\n\t<path class=\"ux-shape-fill\" d=\"M1000 100H0L0 96H480.929C482.255 96 483.527 95.4732 484.464 94.5355L497.879 81.1213C499.05 79.9497 500.95 79.9497 502.121 81.1213L515.536 94.5355C516.473 95.4732 517.745 96 519.071 96H1000V100Z\"\/>\n<\/svg>\n\t<\/div>\n\n\n\t\t<div class=\"section-content relative\">\n\t\t\t\n\n<div class=\"row\"  id=\"row-1239496030\">\n\n\n\t<div id=\"col-201912369\" class=\"col medium-6 small-12 large-6\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n\n\t\t<div class=\"icon-box featured-box icon-box-top text-left\"  >\n\t\t\t\t<div class=\"icon-box-text last-reset\">\n\t\t\t\t\t\t\t\t\t\n\n<h3>ASTM D882-Standardna ispitna metoda za vla\u010dna svojstva tankih plasti\u010dnih folija<\/h3>\n<div id=\"pdp-description\">\n<div class=\"astm-type-body--lead border-top mt-3 pt-2 adv-description\"><a style=\"font-size: 14.4px;\" href=\"https:\/\/www.astm.org\/d0882-18.html\">ASTM D882<\/a><span style=\"color: #555555; font-size: 14.4px;\"> Standard se usredoto\u010duje na ispitivanje rastezanja tankih plasti\u010dnih filmova, definiraju\u0107i parametre kao \u0161to su brzina deformacije, veli\u010dina uzorka i metode izvje\u0161\u0107ivanja kako bi se osigurala ujedna\u010denost.<\/span><\/div>\n<div>\n<p>\u00a0<\/p>\n<\/div>\n<\/div>\n\n\t\t<\/div>\n\t<\/div>\n\t\n\t\n<a class=\"button primary\"  >\n    <span>Saznajte vi\u0161e o ASTM D882<\/span>\n  <\/a>\n\n\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-41119014\" class=\"col medium-6 small-12 large-6\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n<h3> Plasti\u010dne mase \u2014 Odre\u0111ivanje vla\u010dnih svojstava 3. dio: Uvjeti ispitivanja za filmove i plo\u010de<\/h3>\n<p class=\"LC20lb MBeuO DKV0Md\"><a href=\"https:\/\/www.iso.org\/standard\/70307.html\" target=\"_blank\" rel=\"noopener\">ISO 527-3<\/a> je me\u0111unarodno priznati standard za vla\u010dna svojstva, nagla\u0161avaju\u0107i pona\u0161anje plasti\u010dnih filmova pod stresom i rastezanjem.<\/p>\n<a class=\"button primary\"  >\n    <span>Saznajte vi\u0161e o ISO 527-3<\/span>\n  <\/a>\n\n\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n\n\t\t<\/div>\n\n\t\t\n<style>\n#section_1712646511 {\n  padding-top: 60px;\n  padding-bottom: 60px;\n  min-height: 300px;\n  background-color: rgb(245, 245, 245);\n}\n#section_1712646511 .ux-shape-divider--top svg {\n  height: 150px;\n  --divider-top-width: 100%;\n}\n#section_1712646511 .ux-shape-divider--top .ux-shape-fill {\n  fill: #7a9c59;\n}\n<\/style>\n\t<\/section>\n\t\n\n  <div class=\"banner has-hover\" id=\"banner-1174982069\">\n          <div class=\"banner-inner fill\">\n        <div class=\"banner-bg fill\" >\n            <div class=\"bg fill bg-fill\"><\/div>\n                        <div class=\"overlay\"><\/div>            \n                    <\/div>\n\t\t\n        <div class=\"banner-layers container\">\n            <div class=\"fill banner-link\"><\/div>            \n\n   <div id=\"text-box-1367680703\" class=\"text-box banner-layer x5 md-x5 lg-x5 y50 md-y50 lg-y50 res-text\">\n                                <div class=\"text-box-content text dark\">\n              \n              <div class=\"text-inner text-left\">\n                  \n\n<h2 class=\"uppercase\"><strong>Kako se provodi ispitivanje rastezanja i istezanja<\/strong><\/h2>\n\n              <\/div>\n           <\/div>\n                            \n<style>\n#text-box-1367680703 {\n  width: 60%;\n}\n#text-box-1367680703 .text-box-content {\n  font-size: 100%;\n}\n@media (min-width:550px) {\n  #text-box-1367680703 {\n    width: 50%;\n  }\n}\n<\/style>\n    <\/div>\n \n\t<div class=\"img has-hover x100 md-x100 lg-x100 y100 md-y100 lg-y100\" id=\"image_1966433322\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img decoding=\"async\" width=\"528\" height=\"860\" src=\"https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/Tensile-and-Elongation-Test.webp\" class=\"attachment-medium_large size-medium_large\" alt=\"Ispitivanje rastezanja i istezanja\" srcset=\"https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/Tensile-and-Elongation-Test.webp 528w, https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/Tensile-and-Elongation-Test-246x400.webp 246w, https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/Tensile-and-Elongation-Test-491x800.webp 491w, https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/Tensile-and-Elongation-Test-510x831.webp 510w\" sizes=\"(max-width: 528px) 100vw, 528px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_1966433322 {\n  width: 33%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\n        <\/div>\n      <\/div>\n\n            \n<style>\n#banner-1174982069 {\n  padding-top: 500px;\n}\n#banner-1174982069 .overlay {\n  background-color: rgba(0, 0, 0, 0.31);\n}\n<\/style>\n  <\/div>\n\n\n\t<section class=\"section\" id=\"section_1194616119\">\n\t\t<div class=\"bg section-bg fill bg-fill  bg-loaded\" >\n\n\t\t\t\n\t\t\t\n\t\t\t\n\n\t\t<\/div>\n\n\t\t\t<div class=\"ux-shape-divider ux-shape-divider--top ux-shape-divider--style-curve-opacity ux-shape-divider--flip\">\n\t\t<svg viewbox=\"0 0 1000 100\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" preserveaspectratio=\"none\">\n\t\t<path class=\"ux-shape-fill\" opacity=\"0.15\" d=\"M0 14C0 14 88.64 17.48 300 50C560 90 814 77 1003 40L1015 68L1018 104H0V14Z\"\/>\n\t\t<path class=\"ux-shape-fill\" opacity=\"0.3\" d=\"M0 45C0 45 271 90.13 500 77C657 68 830 30 1015 14V100H0V45Z\"\/>\n\t\t<path class=\"ux-shape-fill\" d=\"M0 58C0 58 188.29 90 508 90C798 90 1002 55 1002 55V100H0V58Z\"\/>\n<\/svg>\n\t<\/div>\n\n\n\t\t<div class=\"section-content relative\">\n\t\t\t\n\n<div class=\"row row-large align-center\"  id=\"row-586753052\">\n\n\n\t<div id=\"col-1926961633\" class=\"col medium-11 small-12 large-11\"  >\n\t\t\t\t<div class=\"col-inner text-right\"  >\n\t\t\t\n\t\t\t\n\n\n\t\t<div class=\"icon-box featured-box icon-box-top text-left\"  >\n\t\t\t\t<div class=\"icon-box-text last-reset\">\n\t\t\t\t\t\t\t\t\t\n\n<h3>Pregled testa<\/h3>\n<p><strong>Ispitivanje rastezanja i istezanja<\/strong> je temeljna metoda za procjenu mehani\u010dkih svojstava folija za pakiranje, kao \u0161to su rastezljive folije i drugi materijali. Mjeri kako materijal reagira na sile rastezanja, pru\u017eaju\u0107i bitne podatke poput <strong>vla\u010dna \u010dvrsto\u0107a<\/strong>, <strong>vla\u010dna sila<\/strong>, <strong>istezanje pri prekidu<\/strong>, i <strong>prekidno istezanje<\/strong>. Ovi su parametri klju\u010dni za procjenu \u010dvrsto\u0107e, fleksibilnosti i osiguranja kvalitete proizvoda za pakiranje.<\/p>\n<h3>Opis testa<\/h3>\n<p>Uzorak jednolikog presjeka optere\u0107uje se na napetost pomo\u0107u a <strong>stroj za mehani\u010dko ispitivanje, kao \u0161to je <a href=\"https:\/\/www.wrapfilmtest.com\/hr\/tensile-and-elongation-tester\/\" target=\"_blank\" rel=\"noopener\">TST-01 Ispitiva\u010d zatezne \u010dvrsto\u0107e<\/a><\/strong>. Tijekom testa, <strong>sila<\/strong> i\/ili <strong>pro\u0161irenje<\/strong> bilje\u017ee se. Par <strong>hvataljke uzorka<\/strong> koriste se za dr\u017eanje uzorka, a te hvataljke primjenjuju vla\u010dno optere\u0107enje, uzrokuju\u0107i izdu\u017eivanje uzorka. The <strong>pro\u0161irenje<\/strong> zatim se mjeri izravno putem ekstenzometra ili neizravno putem impulsa motora stroja koji kontroliraju kretanje ru\u010dki.<\/p>\n<p>Razne kombinacije od <strong>odvajanje hvata<\/strong> (razmak izme\u0111u hvatova) i <strong>ispitna brzina<\/strong> (brzina kojom se ru\u010dke razdvajaju) koriste se za simulaciju razli\u010ditih uvjeta testiranja. Ovi parametri mogu utjecati na pona\u0161anje materijala tijekom ispitivanja.<\/p>\n<p>Iz podataka ispitivanja, va\u017ena svojstva materijala kao \u0161to su <strong>vla\u010dno naprezanje<\/strong> (sila po jedinici povr\u0161ine) i <strong>istezanje<\/strong> (pove\u0107anje duljine) mo\u017ee se izra\u010dunati. <strong>Vla\u010dno naprezanje<\/strong> obi\u010dno se odre\u0111uje dijeljenjem primijenjene sile s izvornom povr\u0161inom popre\u010dnog presjeka uzorka, dok <strong>istezanje<\/strong> izra\u010dunava se na temelju promjene duljine u odnosu na izvornu duljinu uzorka.<\/p>\n<div class=\"text-right\"><div class=\"is-divider divider clearfix\" style=\"max-width:100px;\"><\/div><\/div>\n\n\t<div id=\"text-1547027967\" class=\"text\">\n\t\t\n\n<h3>Postupak ispitivanja korak po korak<\/h3>\n\t\t\n<style>\n#text-1547027967 {\n  text-align: left;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t\t<\/div>\n\t<\/div>\n\t\n\t\n<div class=\"row row-divided\"  id=\"row-32875075\">\n\n\n\t<div id=\"col-1646911558\" class=\"col medium-6 small-12 large-6\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n\n\t\t<div class=\"icon-box featured-box icon-box-top text-left\"  >\n\t\t\t\t<div class=\"icon-box-text last-reset\">\n\t\t\t\t\t\t\t\t\t\n\n\t<div id=\"text-3874990865\" class=\"text\">\n\t\t\n\n<p><span style=\"font-size: 140%;\">1. Odaberite odgovaraju\u0107i raspon sile ispitiva\u010da, duljinu mjere i \u0161irinu uzorka<\/span><\/p>\n<p><strong>O rasponu ispitivanja:<\/strong> Kako bi se osiguralo to\u010dno i pouzdano ispitivanje rastezanja, <strong>odaberite raspon sile<\/strong> takav da je primjerak <strong>ne uspijeva unutar gornje dvije tre\u0107ine<\/strong> odabranog raspona sile. To osigurava da materijal postigne svoju krajnju vla\u010dnu \u010dvrsto\u0107u i to\u010dku sloma dok jo\u0161 uvijek radi unutar mjerljivog raspona stroja za ispitivanje. TST-01 Tester zatezne \u010dvrsto\u0107e nudi razli\u010dite raspone mjernih \u0107elija, kao \u0161to su 30N, 50N, 100N, 200N, 300N, 500N, 700N, 1000N, itd.\u00a0<\/p>\n<p>Nekoliko <strong>probne vo\u017enje<\/strong> mo\u017ee biti potrebno utvrditi <strong>optimalna kombinacija<\/strong> od <strong>raspon sile<\/strong> i <strong>\u0161irina uzorka<\/strong> (ili povr\u0161ina presjeka). \u0160irina uzorka utje\u010de na koli\u010dinu sile koju mo\u017ee izdr\u017eati prije sloma, a prilagodba raspona sile na odgovaraju\u0107i na\u010din osigurava da se uzorak podvrgne slomu u o\u010dekivanom podru\u010dju krivulje sile, pru\u017eaju\u0107i korisnije i preciznije podatke.<\/p>\n<p>Za ispitivanje omotne folije, obi\u010dno a <strong>100N ili 200N je \u0161iroko odabrano<\/strong>, \u0161irina uzorka mo\u017ee biti 10 mm, 15 mm, 20 mm ili 25,4 mm. A mjerna duljina ili duljina zahvata postavljena je na 50 mm ili 100 mm, u skladu sa \u0161irinom i rasponom istezanja u probnim testovima.\u00a0<\/p>\n\t\t\n<style>\n#text-3874990865 {\n  text-align: left;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t\t<\/div>\n\t<\/div>\n\t\n\t\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-106615810\" class=\"col medium-6 small-12 large-6\"  >\n\t\t\t\t<div class=\"col-inner text-center\"  >\n\t\t\t\n\t\t\t\n\n\t<div id=\"text-1184560342\" class=\"text\">\n\t\t\n\n<p><span style=\"font-size: 140%;\">2.Priprema uzorka<\/span><\/p>\n<p><strong> Kondicioniranje<\/strong>\u2014 Kondicionirajte ispitne uzorke na 23\u00b12\u00b0C (73,4\u00b13,6\u00b0F) i 50%\u00b110 % RH najmanje 40 sati prije ispitivanja osim ako nije druga\u010dije navedeno.<\/p>\n<p><strong>Uvjeti ispitivanja<\/strong>\u2014Provedite testove na 23\u00b12\u00b0C (73,4\u00b13,6\u00b0F) i 50\u00b110%RH osim ako nije druga\u010dije navedeno u dogovoru.<\/p>\n<p>Preporu\u010da se uzorak \u0161i\u0161ke pripremljen reza\u010dem uzoraka. Za uzorkovanje omotne folije lak\u0161i je za uzimanje uzorka \u201csendvi\u010d\u201d u kojem se uzorak stavlja izme\u0111u dva komada papira.<\/p>\n\t\t\n<style>\n#text-1184560342 {\n  text-align: left;\n}\n<\/style>\n\t<\/div>\n\t\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_514023608\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img decoding=\"async\" width=\"600\" height=\"176\" src=\"https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/film-tensile-test-sample-cutter.webp\" class=\"attachment-large size-large\" alt=\"film tensile test sample cutter\" srcset=\"https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/film-tensile-test-sample-cutter.webp 600w, https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/film-tensile-test-sample-cutter-510x150.webp 510w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_514023608 {\n  width: 80%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_1092133866\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img decoding=\"async\" width=\"548\" height=\"311\" src=\"https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/Tensile-Sample-Preparation.webp\" class=\"attachment-large size-large\" alt=\"Priprema vla\u010dnog uzorka\" srcset=\"https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/Tensile-Sample-Preparation.webp 548w, https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/Tensile-Sample-Preparation-510x289.webp 510w\" sizes=\"(max-width: 548px) 100vw, 548px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t\t\t<div class=\"caption\">Priprema vla\u010dnog uzorka<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_1092133866 {\n  width: 65%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n<div class=\"text-center\"><div class=\"is-divider divider clearfix\" ><\/div><\/div>\n\n<div class=\"row row-divided row-box-shadow-2-hover\"  id=\"row-1534730130\">\n\n\n\t<div id=\"col-650021623\" class=\"col medium-8 small-12 large-8\"  >\n\t\t\t\t<div class=\"col-inner text-center\"  >\n\t\t\t\n\t\t\t\n\n\t<div id=\"text-632542477\" class=\"text\">\n\t\t\n\n<p><span style=\"font-size: 140%;\">3. Postavljanje parametara i po\u010detak testa<\/span><\/p>\n<p>Stavite ispitni uzorak u dr\u017ea\u010de <strong>TST-01 Ispitiva\u010d zatezne \u010dvrsto\u0107e<\/strong>, osiguravaju\u0107i da <strong>duga os uzorka<\/strong> je poravnat sa zami\u0161ljenom linijom koja spaja <strong>to\u010dke pri\u010dvr\u0161\u0107ivanja zahvata<\/strong> na stroju. Ovo poravnanje osigurava ravnomjernu primjenu sile du\u017e duljine uzorka. Zategnite hvataljke <strong>ravnomjerno i \u010dvrsto<\/strong>, osiguravaju\u0107i sigurno dr\u017eanje uzorka kako bi se sprije\u010dilo klizanje tijekom ispitivanja. Sila prianjanja trebala bi biti dovoljna da minimalizira klizanje, ali ne toliko \u010dvrsta da uzrokuje o\u0161te\u0107enje uzorka ili prijevremeni kvar na to\u010dkama prianjanja.<\/p>\n<p><span class=\"fontstyle0\">Postavite brzinu kri\u017ene glave testera na 300 mm\/min ili na drugi na\u010din.\u00a0<\/span>Pritisnite tipku TEST na testeru za po\u010detak ispitivanja izbo\u010dine.<\/p>\n\t\t\n<style>\n#text-632542477 {\n  text-align: left;\n}\n<\/style>\n\t<\/div>\n\t\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_2130092856\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img decoding=\"async\" width=\"400\" height=\"800\" src=\"https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/Sample-gripping-400x800.webp\" class=\"attachment-large size-large\" alt=\"Hvatanje uzorka\" srcset=\"https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/Sample-gripping-400x800.webp 400w, https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/Sample-gripping-200x400.webp 200w, https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/Sample-gripping-768x1536.webp 768w, https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/Sample-gripping-1024x2048.webp 1024w, https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/Sample-gripping-510x1020.webp 510w, https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/Sample-gripping.webp 1200w\" sizes=\"(max-width: 400px) 100vw, 400px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t\t\t<div class=\"caption\">Hvatanje uzorka<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_2130092856 {\n  width: 30%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-473391617\" class=\"col medium-4 small-12 large-4\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_672228329\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img decoding=\"async\" width=\"181\" height=\"400\" src=\"https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/Tensile-and-Elongation-Test-in-Process-181x400.webp\" class=\"attachment-medium size-medium\" alt=\"Ispitivanje rastezanja i istezanja u tijeku\" srcset=\"https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/Tensile-and-Elongation-Test-in-Process-181x400.webp 181w, https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/Tensile-and-Elongation-Test-in-Process-362x800.webp 362w, https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/Tensile-and-Elongation-Test-in-Process.webp 428w\" sizes=\"(max-width: 181px) 100vw, 181px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t\t\t<div class=\"caption\">Ispitivanje rastezanja i istezanja u tijeku<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_672228329 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n<div class=\"row\"  id=\"row-1583702091\">\n\n\n\t<div id=\"col-220782708\" class=\"col medium-10 small-12 large-10\"  >\n\t\t\t\t<div class=\"col-inner text-center\"  >\n\t\t\t\n\t\t\t\n\n\t<div id=\"text-311546195\" class=\"text\">\n\t\t\n\n<p><span style=\"font-size: 140%;\">4. Izra\u010dun rezultata testa<\/span><\/p>\n\t\t\n<style>\n#text-311546195 {\n  text-align: left;\n}\n<\/style>\n\t<\/div>\n\t\n<div class=\"row\"  id=\"row-2048432846\">\n\n\n\t<div id=\"col-165101088\" class=\"col medium-6 small-12 large-6\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n\t<div id=\"text-2749118974\" class=\"text\">\n\t\t\n\n<p><strong>Maksimalna snaga<\/strong>: Maksimalna sila dobivena tijekom ispitivanja. Najve\u0107a sila mo\u017ee se pojaviti na granici te\u010denja, to\u010dki loma ili u podru\u010dju izme\u0111u granice te\u010denja i to\u010dke loma.<\/p>\n\t\t\n<style>\n#text-2749118974 {\n  text-align: left;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-1915816931\" class=\"col medium-6 small-12 large-6\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n\t<div id=\"text-4115543620\" class=\"text\">\n\t\t\n\n<p><strong>Vla\u010dna \u010dvrsto\u0107a<\/strong> izra\u010dunava se dijeljenjem najve\u0107e sile s izvornom prosje\u010dnom povr\u0161inom popre\u010dnog presjeka uzorka. Rezultat se izra\u017eava u sili po jedinici povr\u0161ine, obi\u010dno u megapaskalima, MPa.\u00a0<\/p>\n\t\t\n<style>\n#text-4115543620 {\n  text-align: left;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n<div class=\"row\"  id=\"row-1583333962\">\n\n\n\t<div id=\"col-2110358929\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n\t<div id=\"text-691594573\" class=\"text\">\n\t\t\n\n<p><strong>Postotak istezanja pri lomu<\/strong> izra\u010dunava se dijeljenjem istezanja u trenutku pucanja uzorka s po\u010detnom mjernom duljinom uzorka i<br \/>mno\u017eenje sa 100.<\/p>\n<p><img decoding=\"async\" class=\"size-full wp-image-477 aligncenter\" src=\"https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/Elongation-calculation-formula.webp\" alt=\"Formula za izra\u010dun istezanja\" width=\"495\" height=\"65\" \/><\/p>\n\t\t\n<style>\n#text-691594573 {\n  text-align: left;\n}\n<\/style>\n\t<\/div>\n\t\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n\n\t\t<\/div>\n\t\t\t\t\n<style>\n#col-1926961633 > .col-inner {\n  padding: 55px 0px 0px 0px;\n}\n<\/style>\n\t<\/div>\n\n\t\n\n<\/div>\n\n\t\t<\/div>\n\n\t\t\n<style>\n#section_1194616119 {\n  padding-top: 30px;\n  padding-bottom: 30px;\n}\n#section_1194616119 .ux-shape-divider--top svg {\n  height: 150px;\n  --divider-top-width: 100%;\n}\n#section_1194616119 .ux-shape-divider--top .ux-shape-fill {\n  fill: #7a9c59;\n}\n<\/style>\n\t<\/section>\n\t\n\n  <div class=\"banner has-hover\" id=\"banner-110690801\">\n          <div class=\"banner-inner fill\">\n        <div class=\"banner-bg fill\" >\n            <div class=\"bg fill bg-fill\"><\/div>\n                        <div class=\"overlay\"><\/div>            \n                    <\/div>\n\t\t\n        <div class=\"banner-layers container\">\n            <div class=\"fill banner-link\"><\/div>            \n\n   <div id=\"text-box-1143954279\" class=\"text-box banner-layer x95 md-x95 lg-x95 y50 md-y50 lg-y50 res-text\">\n                                <div class=\"text-box-content text dark\">\n              \n              <div class=\"text-inner text-right\">\n                  \n\n\t<div id=\"text-2018223930\" class=\"text\">\n\t\t\n\n<h2 class=\"h-large uppercase\" style=\"text-align: right;\">Trebate rje\u0161enja za ispitivanje rastezanja i istezanja?<\/h2>\n<p>Tra\u017eite pouzdana rje\u0161enja za ispitivanje rastezanja i istezanja? Na\u0161a napredna oprema za testiranje daje to\u010dne rezultate, poma\u017eu\u0107i vam u procjeni \u010dvrsto\u0107e materijala, istezanja i vi\u0161e. Bilo da se bavite proizvodnjom, istra\u017eivanjem ili kontrolom kvalitete, imamo pravo rje\u0161enje za vas. <strong>Javite se danas<\/strong> za prilago\u0111ena rje\u0161enja testiranja i stru\u010dnu podr\u0161ku<\/p>\n<p>\u00a0<\/p>\n\t\t\n<style>\n#text-2018223930 {\n  text-align: right;\n}\n<\/style>\n\t<\/div>\n\t\n<a href=\"https:\/\/www.wrapfilmtest.com\/hr\/tensile-and-elongation-tester\/\" target=\"_blank\" class=\"button white is-outline\" rel=\"noopener\"  >\n    <span>Provjerite TST-01 ispitiva\u010d vla\u010dne \u010dvrsto\u0107e<\/span>\n  <\/a>\n\n\n\n              <\/div>\n           <\/div>\n                            \n<style>\n#text-box-1143954279 {\n  width: 60%;\n}\n#text-box-1143954279 .text-box-content {\n  font-size: 100%;\n}\n@media (min-width:550px) {\n  #text-box-1143954279 {\n    width: 51%;\n  }\n}\n<\/style>\n    <\/div>\n \n\t<div class=\"img has-hover x0 md-x0 lg-x0 y100 md-y100 lg-y100\" id=\"image_458363514\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img decoding=\"async\" width=\"148\" height=\"400\" src=\"https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/TST-01-Tensile-and-Elongation-Tester-148x400.webp\" class=\"attachment-medium size-medium\" alt=\"TST-01 Ispitiva\u010d rastezanja i istezanja\" srcset=\"https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/TST-01-Tensile-and-Elongation-Tester-148x400.webp 148w, https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/TST-01-Tensile-and-Elongation-Tester-296x800.webp 296w, https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/TST-01-Tensile-and-Elongation-Tester-568x1536.webp 568w, https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/TST-01-Tensile-and-Elongation-Tester-510x1380.webp 510w, https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/TST-01-Tensile-and-Elongation-Tester.webp 626w\" sizes=\"(max-width: 148px) 100vw, 148px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_458363514 {\n  width: 39%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\n        <\/div>\n      <\/div>\n\n            \n<style>\n#banner-110690801 {\n  padding-top: 500px;\n}\n#banner-110690801 .overlay {\n  background-color: rgba(0, 0, 0, 0.2);\n}\n<\/style>\n  <\/div>\n\n\n\t<section class=\"section\" id=\"section_827019480\">\n\t\t<div class=\"bg section-bg fill bg-fill  bg-loaded\" >\n\n\t\t\t\n\t\t\t\n\t\t\t\n\n\t\t<\/div>\n\n\t\t\n\n\t\t<div class=\"section-content relative\">\n\t\t\t\n\n<div class=\"row\"  id=\"row-737092508\">\n\n\n\t<div id=\"col-562324438\" class=\"col small-12 large-12\"  >\n\t\t\t\t<div class=\"col-inner text-center\"  >\n\t\t\t\n\t\t\t\n\n<h2 style=\"text-align: center;\"><span style=\"color: #000000;\">\u010cesto postavljana pitanja o ASTM D5748 testu otpornosti na izbo\u010denje<\/span><\/h2>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n<div class=\"row align-equal row-solid\"  id=\"row-1402750990\">\n\n\n\t<div id=\"col-178910219\" class=\"col medium-6 small-12 large-6\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n<h3>Koje je zna\u010denje ispitivanja rastezanja i istezanja za karakterizaciju materijala?<\/h3>\n<p>Ispitivanje rastezanja i istezanja bitno je za identifikaciju i karakterizaciju materijala, pru\u017eaju\u0107i kriti\u010dne podatke o njihovim mehani\u010dkim svojstvima, kao \u0161to su <strong>snaga<\/strong>, <strong>fleksibilnost<\/strong>, i <strong>izdr\u017eljivost<\/strong>. Ovi testovi poma\u017eu proizvo\u0111a\u010dima i istra\u017eiva\u010dima da utvrde ispunjava li materijal zahtjeve <strong>kontrolirati<\/strong> i <strong>specifikacija<\/strong> zahtjevi. Prikupljeni podaci tako\u0111er mogu usmjeravati odluke vezane uz <strong>izbor materijala<\/strong>, kontrola kvalitete i razvoj novih materijala. Rezultati ispitivanja rastezanja vrijedni su za razumijevanje sposobnosti materijala da se pona\u0161a pod stresom, osiguravaju\u0107i da je prikladan za namjeravanu primjenu.<\/p>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-1558960957\" class=\"col medium-6 small-12 large-6\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n<h3>Za\u0161to je va\u017eno slijediti standardne postupke pri provo\u0111enju vla\u010dnih ispitivanja?<\/h3>\n<p>Na rezultate ispitivanja rastezanja mogu zna\u010dajno utjecati \u010dimbenici kao \u0161to su <strong>debljina uzorka<\/strong>, <strong>brzina testiranja<\/strong>, <strong>vrsta zahvata<\/strong>, i <strong>metoda mjerenja ekstenzije<\/strong>. Za osiguranje <strong>to\u010dne i pouzdane rezultate<\/strong>, kriti\u010dno je slijediti utvr\u0111ene <strong>standardi ispitivanja<\/strong>, kao \u0161to je ASTM D882 ili ISO 527. Ovi standardi odre\u0111uju <strong>uvjeti ispitivanja<\/strong>, koji se mora pa\u017eljivo kontrolirati kako bi se osigurala dosljednost i ponovljivost. \u0160tovi\u0161e, specifi\u010dna <strong>specifikacije materijala<\/strong> mogu zahtijevati prilagodbe standardnih postupaka, stoga je va\u017eno obratiti se na ove specifikacije prije provo\u0111enja testa kako bi se osigurala uskla\u0111enost i smislene usporedbe.<\/p>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-852024288\" class=\"col medium-6 small-12 large-6\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n<h3>Kako vla\u010dna svojstva pridonose razvoju materijala i kontroli kvalitete?<\/h3>\n<p><span style=\"color: #555555; font-size: 14.4px;\">Vla\u010dna svojstva, kao \u0161to su <\/span><strong style=\"color: #555555; font-size: 14.4px;\">vla\u010dna \u010dvrsto\u0107a<\/strong><span style=\"color: #555555; font-size: 14.4px;\">, <\/span><strong style=\"color: #555555; font-size: 14.4px;\">istezanje pri prekidu<\/strong><span style=\"color: #555555; font-size: 14.4px;\">, vitalni su za <\/span><strong style=\"color: #555555; font-size: 14.4px;\">istra\u017eivanje i razvoj<\/strong><span style=\"color: #555555; font-size: 14.4px;\"> kao i <\/span><strong style=\"color: #555555; font-size: 14.4px;\">kontrola kvalitete<\/strong><span style=\"color: #555555; font-size: 14.4px;\"> u proizvodnji. Ova svojstva poma\u017eu u procjeni performansi materijala u stvarnim aplikacijama. Na primjer, <\/span><strong style=\"color: #555555; font-size: 14.4px;\">vla\u010dna \u010dvrsto\u0107a<\/strong><span style=\"color: #555555; font-size: 14.4px;\"> pokazuje koliko naprezanja materijal mo\u017ee izdr\u017eati prije nego \u0161to se slomi, dok <\/span><strong style=\"color: #555555; font-size: 14.4px;\">istezanje<\/strong><span style=\"color: #555555; font-size: 14.4px;\"> pru\u017ea uvid u njegovu sposobnost istezanja bez kvara. Dosljedno testiranje omogu\u0107uje proizvo\u0111a\u010dima da osiguraju da materijali zadovoljavaju potrebne standarde i rade prema o\u010dekivanjima u razli\u010ditim okru\u017eenjima. Odr\u017eavanjem precizne kontrole nad uvjetima testiranja, proizvo\u0111a\u010di tako\u0111er mogu optimizirati svoje proizvode i osigurati njihovo ispunjavanje <\/span><strong style=\"color: #555555; font-size: 14.4px;\">osiguranje kvalitete<\/strong><span style=\"color: #555555; font-size: 14.4px;\"> kriteriji.<\/span><\/p>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-850533335\" class=\"col medium-6 small-12 large-6\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n<h3>Koji \u010dimbenici mogu utjecati na rezultate ispitivanja rastezanja i istezanja folija za omot?<\/h3>\n<p>Nekoliko \u010dimbenika mo\u017ee utjecati na rezultate ispitivanja rastezanja i istezanja folije za zamatanje, uklju\u010duju\u0107i <strong>priprema uzorka<\/strong>, <strong>ispitna brzina<\/strong>, <strong>uvjeti okoline (npr. vla\u017enost i temperatura)<\/strong>, i <strong>debljina filma<\/strong>. Poravnanje uzorka u stroju za ispitivanje i vrsta hvataljki koje se koriste tako\u0111er su kriti\u010dni. Za to\u010dne rezultate va\u017eno je slijediti standardizirane metode (kao \u0161to je ASTM D882) i provoditi testove u kontroliranim uvjetima.<\/p>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\n<style>\n#row-1402750990 > .col > .col-inner {\n  padding: 30px 30px 30px 30px;\n}\n<\/style>\n<\/div>\n<div class=\"row align-equal row-solid\"  id=\"row-1825187329\">\n\n\n\t<div id=\"col-906982099\" class=\"col medium-6 small-12 large-6\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n<h3>Kako se izra\u010dunava istezanje pri prekidu za omotne folije?<\/h3>\n<p>Istezanje pri prekidu izra\u010dunava se mjerenjem promjene duljine uzorka filma tijekom vla\u010dnog ispitivanja. Formula je:<\/p>\n<figure id=\"attachment_477\" aria-describedby=\"caption-attachment-477\" style=\"width: 495px\" class=\"wp-caption alignnone\"><img decoding=\"async\" class=\"size-full wp-image-477\" src=\"https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/Elongation-calculation-formula.webp\" alt=\"Formula za izra\u010dun istezanja\" width=\"495\" height=\"65\" \/><figcaption id=\"caption-attachment-477\" class=\"wp-caption-text\">Formula za izra\u010dun istezanja<\/figcaption><\/figure>\n<p>Ovo mjerenje ukazuje na maksimalno istezanje kojem se film mo\u017ee podvrgnuti prije nego \u0161to pukne, pru\u017eaju\u0107i uvid u njegovu fleksibilnost i rastezljivost, kriti\u010dne za materijale za pakiranje koji se moraju rastezati bez kidanja.<\/p>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-376477845\" class=\"col medium-6 small-12 large-6\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n<h3>Kako testovi rastezanja i istezanja omotne folije doprinose kontroli kvalitete?<\/h3>\n<p>Ispitivanja rastezanja i istezanja bitna su za <strong>kontrola kvalitete<\/strong> u proizvodnji omotnih folija. Osiguravaju\u0107i da folije zadovoljavaju specifi\u010dne kriterije \u010dvrsto\u0107e i istezanja, proizvo\u0111a\u010di mogu jam\u010diti konzistentnost i u\u010dinkovitost proizvoda. Ovi testovi tako\u0111er poma\u017eu u otkrivanju nedostataka, kao \u0161to su slabe to\u010dke ili pretjerana lomljivost, koji mogu dovesti do kvara tijekom uporabe. Redovito testiranje omogu\u0107uje proizvo\u0111a\u010dima prilagodbe formulacije filma ili proizvodnog procesa, osiguravaju\u0107i da kona\u010dni proizvod zadovoljava tra\u017eene standarde i radi prema o\u010dekivanjima u stvarnim uvjetima.<\/p>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\n<style>\n#row-1825187329 > .col > .col-inner {\n  padding: 30px 30px 30px 30px;\n}\n<\/style>\n<\/div>\n\n\t\t<\/div>\n\n\t\t\n<style>\n#section_827019480 {\n  padding-top: 60px;\n  padding-bottom: 60px;\n  background-color: rgb(255,255,255);\n}\n<\/style>\n\t<\/section>\n\t\n<div class=\"container section-title-container\" ><h3 class=\"section-title section-title-center\"><b><\/b><span class=\"section-title-main\" >Vi\u0161e testova za omotnu foliju<\/span><b><\/b><\/h3><\/div>","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":20,"parent":0,"menu_order":4,"comment_status":"closed","ping_status":"closed","template":"page-blank.php","meta":{"footnotes":""},"class_list":["post-453","page","type-page","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Tensile and Elongation Test - Wrap Film Test<\/title>\n<meta name=\"description\" content=\"Tensile and elongation testing is crucial for evaluating the strength and flexibility of stretch wrap films. Compliant with ASTM D882 and ISO 527-3, these tests provide insights into tensile strength, elongation at break, and overall film performance for industrial applications.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wrapfilmtest.com\/hr\/tensile-and-elongation-test\" \/>\n<meta property=\"og:locale\" content=\"hr_HR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ensure the Strength and Flexibility of Your Wrap Films with Tensile and Elongation Testing\" \/>\n<meta property=\"og:description\" content=\"Discover the importance of tensile and elongation testing for stretch wrap films. Compliant with ASTM D882 and ISO 527-3, these tests evaluate strength, flexibility, and film performance under stress\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.wrapfilmtest.com\/hr\/tensile-and-elongation-test\" \/>\n<meta property=\"og:site_name\" content=\"Wrap Film Test\" \/>\n<meta property=\"article:modified_time\" content=\"2025-01-13T09:10:44+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/Wrap-Film-Test-site-logo.webp\" \/>\n\t<meta property=\"og:image:width\" content=\"836\" \/>\n\t<meta property=\"og:image:height\" content=\"238\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/webp\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"Tensile and Elongation Testing: Key to Durable Wrap Films\" \/>\n<meta name=\"twitter:description\" content=\"Strengthen your wrap films with tensile and elongation testing. Compliant with ASTM D882 and ISO 527-3, our tests ensure your films meet performance standards for industrial applications. #FilmTesting #TensileStrength #Packaging\" \/>\n<meta name=\"twitter:image\" content=\"https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/Wrap-Film-Test-site-logo.webp\" \/>\n<meta name=\"twitter:label1\" content=\"Procijenjeno vrijeme \u010ditanja\" \/>\n\t<meta name=\"twitter:data1\" content=\"9 minuta\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.wrapfilmtest.com\/tensile-and-elongation-test\",\"url\":\"https:\/\/www.wrapfilmtest.com\/tensile-and-elongation-test\",\"name\":\"Tensile and Elongation Test - Wrap Film Test\",\"isPartOf\":{\"@id\":\"https:\/\/www.wrapfilmtest.com\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.wrapfilmtest.com\/tensile-and-elongation-test#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.wrapfilmtest.com\/tensile-and-elongation-test#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2016\/08\/dummy-1.jpg\",\"datePublished\":\"2024-12-23T06:47:34+00:00\",\"dateModified\":\"2025-01-13T09:10:44+00:00\",\"description\":\"Tensile and elongation testing is crucial for evaluating the strength and flexibility of stretch wrap films. 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U skladu s ASTM D882 i ISO 527-3, ovi testovi daju uvid u vla\u010dnu \u010dvrsto\u0107u, istezanje pri prekidu i ukupnu u\u010dinkovitost filma za industrijske primjene.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.wrapfilmtest.com\/hr\/tensile-and-elongation-test","og_locale":"hr_HR","og_type":"article","og_title":"Ensure the Strength and Flexibility of Your Wrap Films with Tensile and Elongation Testing","og_description":"Discover the importance of tensile and elongation testing for stretch wrap films. 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