{"id":518,"date":"2024-12-24T06:09:32","date_gmt":"2024-12-24T06:09:32","guid":{"rendered":"https:\/\/www.wrapfilmtest.com\/?page_id=518"},"modified":"2025-01-13T08:36:13","modified_gmt":"2025-01-13T08:36:13","slug":"elmendorf-tear-test","status":"publish","type":"page","link":"https:\/\/www.wrapfilmtest.com\/cs\/elmendorf-tear-test","title":{"rendered":"Elmendorfsk\u00fd test slz"},"content":{"rendered":"<div class=\"slider-wrapper relative\" id=\"slider-28463457\" >\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-684281193\">\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-465997145\" 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<h2>Elmendorfsk\u00fd test slz<br \/>\u2013 P\u0159esn\u00e9 m\u011b\u0159en\u00ed odolnosti proti roztr\u017een\u00ed u obalov\u00fdch f\u00f3li\u00ed<\/h2>\n<p>\u00a0<\/p>\n<div class=\"is-divider divider clearfix\" ><\/div>\n\n<a href=\"https:\/\/www.wrapfilmtest.com\/cs\/contact\/\" target=\"_blank\" class=\"button success box-shadow-3\" rel=\"noopener\"  >\n    <span>Vy\u017e\u00e1dejte si cenovou nab\u00eddku<\/span>\n  <\/a>\n\n\n\n              <\/div>\n           <\/div>\n       <\/div>                     \n<style>\n#text-box-465997145 {\n  width: 66%;\n}\n#text-box-465997145 .text-box-content {\n  font-size: 100%;\n}\n<\/style>\n    <\/div>\n \n\n        <\/div>\n      <\/div>\n\n            \n<style>\n#banner-684281193 {\n  padding-top: 30%;\n}\n#banner-684281193 .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-684281193 .overlay {\n  background-color: rgba(0, 0, 0, 0.25);\n}\n#banner-684281193 .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-851085275\">\n\n\n\t<div id=\"col-83782659\" 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<p>The <strong>Elmendorfsk\u00fd test slz<\/strong> je kl\u00ed\u010dovou metodou pro hodnocen\u00ed <strong>odolnost proti roztr\u017een\u00ed<\/strong> obalov\u00fdch materi\u00e1l\u016f v\u010d <strong>obalov\u00e9 f\u00f3lie<\/strong> a <strong>stretch f\u00f3lie<\/strong>. Vyhodnocen\u00edm schopnosti materi\u00e1lu odol\u00e1vat roztr\u017een\u00ed p\u0159i nam\u00e1h\u00e1n\u00ed tento test pom\u00e1h\u00e1 ur\u010dit jeho trvanlivost a vhodnost pro obalov\u00e9 aplikace. B\u011b\u017en\u011b se pou\u017e\u00edv\u00e1 v obalov\u00e9m, plastik\u00e1\u0159sk\u00e9m a gum\u00e1rensk\u00e9m pr\u016fmyslu <strong>Elmendorfsk\u00e1 s\u00edla v slz\u00e1ch<\/strong> test poskytuje z\u00e1kladn\u00ed \u00fadaje pro v\u00fdzkum a v\u00fdvoj, kontrolu kvality a v\u00fdvoj produkt\u016f.<\/p>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-1343402224\" 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_796938441\">\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=\"533\" height=\"400\" src=\"https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/Elmendorf-Tear-Tester-533x400.webp\" class=\"attachment-medium size-medium\" alt=\"Elmendorfsk\u00fd tester slz\" srcset=\"https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/Elmendorf-Tear-Tester-533x400.webp 533w, https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/Elmendorf-Tear-Tester-1067x800.webp 1067w, https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/Elmendorf-Tear-Tester-768x576.webp 768w, https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/Elmendorf-Tear-Tester-1536x1152.webp 1536w, https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/Elmendorf-Tear-Tester-2048x1536.webp 2048w, https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/Elmendorf-Tear-Tester-510x383.webp 510w\" sizes=\"(max-width: 533px) 100vw, 533px\" \/>\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_796938441 {\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_1698790195\">\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-979332849\">\n\n\n\t<div id=\"col-933160391\" class=\"col medium-4 small-12 large-4\"  >\n\t\t\t\t<div class=\"col-inner text-left\"  >\n\t\t\t\n\t\t\t\n\n\t<div id=\"text-940205080\" class=\"text\">\n\t\t\n\n<h2 class=\"uppercase\">Porozum\u011bn\u00ed Elmendorfsk\u00e9mu slzn\u00e9mu testu<\/h2>\n\t\t\n<style>\n#text-940205080 {\n  color: rgb(253, 253, 253);\n}\n#text-940205080 > * {\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-883280188\" 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-407781159\" class=\"text\">\n\t\t\n\n<p>The <strong>Elmendorfsk\u00fd test slz<\/strong> je \u0161iroce uzn\u00e1vanou metodou pro stanoven\u00ed <strong>pevnost v roztr\u017een\u00ed<\/strong> a <strong>odolnost proti roztr\u017een\u00ed<\/strong> materi\u00e1l\u016f, zejm\u00e9na v obalov\u00e9m pr\u016fmyslu. T\u00edm, \u017ee simuluje podm\u00ednky trh\u00e1n\u00ed v re\u00e1ln\u00e9m sv\u011bt\u011b, pom\u00e1h\u00e1 zajistit odolnost a spolehlivost materi\u00e1l\u016f pou\u017e\u00edvan\u00fdch ve v\u00fdrobc\u00edch, jako jsou nap\u0159 <strong>obalov\u00e9 f\u00f3lie<\/strong>, <strong>stretch f\u00f3lie<\/strong>a <strong>materi\u00e1ly odoln\u00e9 proti roztr\u017een\u00ed<\/strong>. Tato str\u00e1nka zkoum\u00e1 v\u00fdznam testu, tzv <strong>ASTM D1922<\/strong> standard, jak se test prov\u00e1d\u00ed a kl\u00ed\u010dov\u00e9 aspekty p\u0159i jeho pou\u017e\u00edv\u00e1n\u00ed.<\/p>\n\t\t\n<style>\n#text-407781159 {\n  color: rgb(255, 255, 255);\n}\n#text-407781159 > * {\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_1698790195 {\n  padding-top: 60px;\n  padding-bottom: 60px;\n  min-height: 300px;\n  background-color: rgb(245, 245, 245);\n}\n#section_1698790195 .section-bg-overlay {\n  background-color: rgba(0,0,0,.5);\n}\n#section_1698790195 .section-bg.bg-loaded {\n  background-image: url(https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/Elmendorf-Tear-Test-1.webp);\n}\n#section_1698790195 .section-bg {\n  background-position: 56% 64%;\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-2894898288\" class=\"text\">\n\t\t\n\n<h2>Pro\u010d je Elmendorf\u016fv test na roztr\u017een\u00ed z\u00e1sadn\u00ed pro obalov\u00e9 materi\u00e1ly a obalov\u00e9 f\u00f3lie?<\/h2>\n\t\t\n<style>\n#text-2894898288 {\n  text-align: center;\n}\n<\/style>\n\t<\/div>\n\t\n\t<section class=\"section\" id=\"section_576814968\">\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\">\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 96H483L500 79L517 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 align-middle\"  id=\"row-1120837694\">\n\n\n\t<div id=\"col-293958160\" 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<p>Balic\u00ed f\u00f3lie, stretch f\u00f3lie a dal\u0161\u00ed obalov\u00e9 materi\u00e1ly mus\u00ed vykazovat vynikaj\u00edc\u00ed kvalitu <strong>odolnost proti roztr\u017een\u00ed<\/strong> k ochran\u011b produkt\u016f b\u011bhem p\u0159epravy, manipulace a skladov\u00e1n\u00ed. <strong>Odolnost proti roztr\u017een\u00ed<\/strong> je jedn\u00edm z nejd\u016fle\u017eit\u011bj\u0161\u00edch atribut\u016f materi\u00e1l\u016f, kter\u00e9 jsou vystaveny r\u016fzn\u00fdm stresov\u00fdm faktor\u016fm, jako je roztahov\u00e1n\u00ed, n\u00e1razy a tlak.<\/p>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-254015225\" 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<p><strong>Odolnost obalov\u00e9 f\u00f3lie proti roztr\u017een\u00ed<\/strong>: Obalov\u00e9 materi\u00e1ly jako <strong>obalov\u00e9 f\u00f3lie<\/strong> jsou \u010dasto vystaveny roztahov\u00e1n\u00ed a trh\u00e1n\u00ed b\u011bhem ru\u010dn\u00edch i automatick\u00fdch balic\u00edch proces\u016f. Testov\u00e1n\u00ed t\u011bchto materi\u00e1l\u016f pomoc\u00ed <strong>Elmendorfsk\u00fd test slz<\/strong> zaji\u0161\u0165uje, \u017ee dok\u00e1\u017eou bez selh\u00e1n\u00ed odolat sil\u00e1m, se kter\u00fdmi se setkaj\u00ed.<\/p>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-735963522\" 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<p><strong>Stretch Film Odolnost proti roztr\u017een\u00ed<\/strong>: Stretch f\u00f3lie pou\u017e\u00edvan\u00e9 p\u0159i balen\u00ed palet mus\u00ed vykazovat vynikaj\u00edc\u00ed vlastnosti <strong>pevnost v roztr\u017een\u00ed<\/strong> aby bylo zaji\u0161t\u011bno, \u017ee z\u016fstanou nedot\u010deny v cel\u00e9m dodavatelsk\u00e9m \u0159et\u011bzci. Jak\u00e1koli porucha f\u00f3lie m\u016f\u017ee v\u00e9st k po\u0161kozen\u00ed produktu, ztr\u00e1t\u011b integrity nebo dokonce kontaminaci.<\/p>\n<p>\u00a0<\/p>\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_576814968 {\n  padding-top: 60px;\n  padding-bottom: 60px;\n  min-height: 300px;\n}\n#section_576814968 .ux-shape-divider--top svg {\n  height: 150px;\n  --divider-top-width: 100%;\n}\n#section_576814968 .ux-shape-divider--top .ux-shape-fill {\n  fill: rgb(122, 156, 89);\n}\n<\/style>\n\t<\/section>\n\t\n\t<section class=\"section dark has-parallax\" id=\"section_375716677\">\n\t\t<div class=\"bg section-bg fill bg-fill\" data-parallax-container=\".section\" data-parallax-background data-parallax=\"-3\">\n\n\t\t\t\n\t\t\t<div class=\"section-bg-overlay absolute fill\"><\/div>\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\t<div id=\"gap-1862617878\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-1862617878 {\n  padding-top: 30px;\n}\n<\/style>\n\t<\/div>\n\t\n\n<div class=\"row\"  id=\"row-609406195\">\n\n\n\t<div id=\"col-938738330\" 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<p>The <strong>Elmendorf\u016fv test pevnosti v roztr\u017een\u00ed<\/strong> umo\u017e\u0148uje v\u00fdrobc\u016fm vyhodnotit <strong>odolnost proti roztr\u017een\u00ed<\/strong> materi\u00e1l\u016f za kontrolovan\u00fdch podm\u00ednek, co\u017e jim pom\u00e1h\u00e1 vybrat nebo navrhnout f\u00f3lie, kter\u00e9 vydr\u017e\u00ed vn\u011bj\u0161\u00ed nam\u00e1h\u00e1n\u00ed. To je zvl\u00e1\u0161t\u011b d\u016fle\u017eit\u00e9 v pr\u016fmyslov\u00fdch odv\u011btv\u00edch, jako je <strong>balen\u00ed potravin<\/strong>, <strong>elektronika<\/strong>a <strong>l\u00e9\u010div<\/strong>, kde mus\u00ed b\u00fdt zachov\u00e1na neporu\u0161enost obalu pro ochranu v\u00fdrobk\u016f a spln\u011bn\u00ed norem kvality.<\/p>\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_375716677 {\n  padding-top: 45px;\n  padding-bottom: 45px;\n}\n#section_375716677 .section-bg-overlay {\n  background-color: rgba(0,0,0,.5);\n}\n#section_375716677 .section-bg.bg-loaded {\n  background-image: url(https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/Pendulum-impact-tester-scaled.webp);\n}\n#section_375716677 .section-bg {\n  background-position: 93% 59%;\n}\n@media (min-width:550px) {\n  #section_375716677 {\n    padding-top: 65px;\n    padding-bottom: 65px;\n  }\n}\n@media (min-width:850px) {\n  #section_375716677 {\n    padding-top: 30px;\n    padding-bottom: 30px;\n  }\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-2955709527\" class=\"text\">\n\t\t\n\n<h2>Hlavn\u00ed standardy pro Elmendorf\u016fv trhac\u00ed test<\/h2>\n\t\t\n<style>\n#text-2955709527 {\n  text-align: center;\n}\n<\/style>\n\t<\/div>\n\t\n\t<section class=\"section\" id=\"section_1884025225\">\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-151702704\">\n\n\n\t<div id=\"col-1564643180\" 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 D1922 \u2013 Standardn\u00ed zku\u0161ebn\u00ed metoda pro odolnost pr\u016fta\u017en\u00e9 f\u00f3lie proti prop\u00edchnut\u00ed v\u00fd\u010dn\u011blkem <span class=\"fontstyle0\">Standardn\u00ed zku\u0161ebn\u00ed metoda pro <\/span><span class=\"fontstyle0\">Odolnost proti roztr\u017een\u00ed plastov\u00e9 f\u00f3lie a tenk\u00e9 <\/span><span class=\"fontstyle0\">Pa\u017een\u00ed metodou kyvadla<\/span>\u00a0<\/h3>\n<div id=\"pdp-description\">\n<div>The <a href=\"https:\/\/www.astm.org\/d1922-15r20.html\" target=\"_blank\" rel=\"noopener\">ASTM D1922<\/a> <span class=\"fontstyle0\">zahrnuje stanoven\u00ed pr\u016fm\u011brn\u00e9 s\u00edly pro \u0161\u00ed\u0159en\u00ed trh\u00e1n\u00ed p\u0159es specifikovanou d\u00e9lku plastov\u00e9 f\u00f3lie nebo netuh\u00e9 f\u00f3lie po zah\u00e1jen\u00ed trh\u00e1n\u00ed pomoc\u00ed testeru trh\u00e1n\u00ed typu Elmendorf.<\/span> \u00a0<\/div>\n<\/div>\n\n\t\t<\/div>\n\t<\/div>\n\t\n\t\n<a class=\"button primary\"  >\n    <span>Zjist\u011bte v\u00edce o ASTM D1922<\/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-278717813\" 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>ISO 6383-2 \u2013 Plasty: F\u00f3lie a f\u00f3lie \u2013 Stanoven\u00ed odolnosti proti roztr\u017een\u00ed \u010c\u00e1st 2: Elmendorfova metoda<\/h3>\n<p>ISO 6383-2 specifikuje metodu stanoven\u00ed s\u00edly pot\u0159ebn\u00e9 k \u0161\u00ed\u0159en\u00ed trhliny p\u0159es specifikovanou \u0161t\u011brbinu, vy\u0159\u00edznutou do zku\u0161ebn\u00edho vzorku tenk\u00e9 flexibiln\u00ed plastov\u00e9 f\u00f3lie nebo f\u00f3lie, za specifikovan\u00fdch podm\u00ednek zat\u00ed\u017een\u00ed.<\/p>\n<a class=\"button primary\"  >\n    <span>Zjist\u011bte v\u00edce o ISO 6383-2<\/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_1884025225 {\n  padding-top: 60px;\n  padding-bottom: 60px;\n  min-height: 300px;\n  background-color: rgb(245, 245, 245);\n}\n#section_1884025225 .ux-shape-divider--top svg {\n  height: 150px;\n  --divider-top-width: 100%;\n}\n#section_1884025225 .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-588440676\">\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-435850820\" 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>Jak se prov\u00e1d\u00ed Elmendorfsk\u00fd test slz<\/strong><\/h2>\n\n              <\/div>\n           <\/div>\n                            \n<style>\n#text-box-435850820 {\n  width: 60%;\n}\n#text-box-435850820 .text-box-content {\n  font-size: 100%;\n}\n@media (min-width:550px) {\n  #text-box-435850820 {\n    width: 50%;\n  }\n}\n<\/style>\n    <\/div>\n \n\t<div class=\"img has-hover x100 md-x100 lg-x100 y50 md-y50 lg-y50\" id=\"image_1225113209\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img decoding=\"async\" width=\"345\" height=\"496\" src=\"https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/Tear-Tester-Elmendorf-Method-Operation.webp\" class=\"attachment-medium_large size-medium_large\" alt=\"Tear Tester Provoz metody Elmendorf\" srcset=\"https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/Tear-Tester-Elmendorf-Method-Operation.webp 345w, https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/Tear-Tester-Elmendorf-Method-Operation-278x400.webp 278w\" sizes=\"(max-width: 345px) 100vw, 345px\" \/>\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_1225113209 {\n  width: 47%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\n        <\/div>\n      <\/div>\n\n            \n<style>\n#banner-588440676 {\n  padding-top: 500px;\n}\n#banner-588440676 .overlay {\n  background-color: rgba(0, 0, 0, 0.31);\n}\n<\/style>\n  <\/div>\n\n\n\t<section class=\"section\" id=\"section_335963366\">\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-waves-opacity-2 ux-shape-divider--flip\">\n\t\t<svg viewbox=\"0 0 1000 300\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" preserveaspectratio=\"none\">\n  <path class=\"ux-shape-fill\" opacity=\"0.15\" d=\"M0 299L-2 19.9998C153 -16.0002 308 155 413 184C515.64 212.35 562 152 645 153C725 154 787 206 874 233C939.54 253.34 975 248 1000 244.61V299H0Z\"\/>\n  <path class=\"ux-shape-fill\" opacity=\"0.3\" d=\"M0 300L-2 34C155 -9.00003 300 178 403 212C504.11 245.38 562 165 645 166C725 167 790.09 220.07 874 253C939.21 278.59 978.07 269.72 1000 263.61V300H0Z\"\/>\n  <path class=\"ux-shape-fill\" d=\"M0 300L-1 69.7099C216 56.9999 299.47 198.86 403 226C506 253 577 196 660 197C740 198 790.09 234.07 874 267C935.23 291 982 282.61 1000 277.61V300H0Z\"\/>\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-745918118\">\n\n\n\t<div id=\"col-2145574000\" 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>P\u0159ehled testu<\/h3>\n<p>The <strong>Elmendorfsk\u00fd test slz<\/strong> je standardizovan\u00e1 metoda pro stanoven\u00ed <strong>odolnost proti roztr\u017een\u00ed<\/strong> materi\u00e1l\u016f, zejm\u00e9na pou\u017e\u00edvan\u00fdch pro <strong>plastov\u00e9 f\u00f3lie<\/strong>, <strong>stretch f\u00f3lie<\/strong>, <strong>obalov\u00e9 f\u00f3lie<\/strong>a dal\u0161\u00ed tenk\u00e9 materi\u00e1ly. Tento test je nezbytn\u00fd pro posouzen\u00ed schopnosti materi\u00e1lu odolat roztr\u017een\u00ed p\u0159i nam\u00e1h\u00e1n\u00ed, co\u017e je kritick\u00e1 vlastnost pro obalov\u00e9 materi\u00e1ly vystaven\u00e9 podm\u00ednk\u00e1m manipulace, p\u0159epravy a skladov\u00e1n\u00ed. Zde je podrobn\u00fd n\u00e1vod, jak <strong>Elmendorfsk\u00fd test slz<\/strong> se prov\u00e1d\u00ed na z\u00e1klad\u011b <strong>ASTM D1922<\/strong>, <strong>ISO 6383-2<\/strong>a dal\u0161\u00edch p\u0159\u00edslu\u0161n\u00fdch norem.<\/p>\n<p><span class=\"fontstyle0\">S\u00edla v gramech pot\u0159ebn\u00e1 k \u0161\u00ed\u0159en\u00ed trh\u00e1n\u00ed p\u0159es vzorek filmu nebo f\u00f3lie se m\u011b\u0159\u00ed pomoc\u00ed SLD-01 Elmendorf Tear Tester. P\u016fsoben\u00edm gravitace se kyvadlo ot\u00e1\u010d\u00ed v oblouku a vytrh\u00e1v\u00e1 vzorek z p\u0159edem vy\u0159\u00edznut\u00e9 \u0161t\u011brbiny. Vzorek je dr\u017een na jedn\u00e9 stran\u011b kyvadlem a na druh\u00e9 stran\u011b nehybn\u00fdm \u010dlenem. Ztr\u00e1ta energie kyvadlem je indikov\u00e1na p\u0159\u00edmo na obrazovce, co\u017e je indikace funkc\u00ed s\u00edly pot\u0159ebn\u00e9 k roztr\u017een\u00ed vzorku.<\/span><\/p>\n<div class=\"text-right\"><div class=\"is-divider divider clearfix\" style=\"max-width:100px;\"><\/div><\/div>\n\n\t<div id=\"text-2882995030\" class=\"text\">\n\t\t\n\n<h3>Postup testov\u00e1n\u00ed krok za krokem<\/h3>\n\t\t\n<style>\n#text-2882995030 {\n  text-align: center;\n  color: #7a9c59;\n}\n#text-2882995030 > * {\n  color: #7a9c59;\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-2138282589\">\n\n\n\t<div id=\"col-1995423015\" 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-2014013014\" class=\"text\">\n\t\t\n\n<p><span style=\"font-size: 140%;\">1.P\u0159\u00edprava vzorku<\/span><\/p>\n<p><span class=\"fontstyle0\">Vzorky pro zkou\u0161ku natr\u017een\u00edm se na\u0159e\u017eou na zku\u0161ebn\u00ed d\u00e9lku s konstantn\u00edm polom\u011brem. <\/span> <\/p>\n\t\t\n<style>\n#text-2014013014 {\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_1208222936\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img decoding=\"async\" width=\"431\" height=\"543\" src=\"https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/FIG.-1-Constant-Radius-Test-Specimen-for-Tear-Resistance-Test.webp\" class=\"attachment-large size-large\" alt=\"Zku\u0161ebn\u00ed vzorek s konstantn\u00edm polom\u011brem pro test odolnosti proti roztr\u017een\u00ed\" srcset=\"https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/FIG.-1-Constant-Radius-Test-Specimen-for-Tear-Resistance-Test.webp 431w, https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/FIG.-1-Constant-Radius-Test-Specimen-for-Tear-Resistance-Test-317x400.webp 317w\" sizes=\"(max-width: 431px) 100vw, 431px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t\t\t<div class=\"caption\">Zku\u0161ebn\u00ed vzorek s konstantn\u00edm polom\u011brem pro test odolnosti proti roztr\u017een\u00ed<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_1208222936 {\n  width: 100%;\n}\n<\/style>\n\t<\/div>\n\t\n\n<p>Vzhledem k tomu, \u017ee obalov\u00e9 f\u00f3lie jsou m\u011bkk\u00e9, nab\u00edz\u00edme \u0159ezac\u00ed \u010depel v\u00fd\u0161e uveden\u00e9ho vzoru pro efektivn\u00ed \u0159ez\u00e1n\u00ed vzork\u016f slz.<\/p>\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-1863790232\" 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-1006787251\" class=\"text\">\n\t\t\n\n<p><span style=\"font-size: 140%;\">2.P\u0159\u00edprava testeru<\/span><\/p>\n<p><strong>N\u00e1stroj <span class=\"fontstyle0\">P\u0159\u00edprava<\/span>:<\/strong> Pou\u017e\u00edv\u00e1 se SLD-01 Elmendorf Tear Tester.<\/p>\n<p><span class=\"fontstyle0\">S kyvadlem ve zvednut\u00e9 poloze um\u00edst\u011bte vzorek doprost\u0159ed svorek tak, aby jeho horn\u00ed hrana byla rovnob\u011b\u017en\u00e1 s horn\u00ed \u010d\u00e1st\u00ed svorek a po\u010d\u00e1te\u010dn\u00ed \u0161t\u011brbina byla na spodn\u00ed stran\u011b svorek a mezi nimi v prav\u00e9m \u00fahlu k jejich vrcholu. Po\u010d\u00e1te\u010dn\u00ed \u0161t\u011brbina je vytvo\u0159ena testovac\u00edm no\u017eem.<\/span><\/p>\n\t\t\n<style>\n#text-1006787251 {\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_1751091354\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img decoding=\"async\" width=\"523\" height=\"800\" src=\"https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/Elmendorf-tear-test-creating-slit-523x800.webp\" class=\"attachment-large size-large\" alt=\"Elmendorf\u016fv trhac\u00ed test vytv\u00e1\u0159ej\u00edc\u00ed \u0161t\u011brbinu\" srcset=\"https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/Elmendorf-tear-test-creating-slit-523x800.webp 523w, https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/Elmendorf-tear-test-creating-slit-262x400.webp 262w, https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/Elmendorf-tear-test-creating-slit-510x780.webp 510w, https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/Elmendorf-tear-test-creating-slit.webp 601w\" sizes=\"(max-width: 523px) 100vw, 523px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t\t\t<div class=\"caption\">Elmendorf\u016fv trhac\u00ed test vytv\u00e1\u0159ej\u00edc\u00ed \u0161t\u011brbinu<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_1751091354 {\n  width: 63%;\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-856747905\">\n\n\n\t<div id=\"col-1959910269\" 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-4112767747\" class=\"text\">\n\t\t\n\n<p><span style=\"font-size: 140%;\">3. Uvoln\u011bn\u00ed kyvadla<\/span><\/p>\n<p><span class=\"fontstyle0\">Uvoln\u011bte zar\u00e1\u017eku sektoru kyvadla a roztrhn\u011bte vzorek. P\u016fsob\u00edc\u00ed gravita\u010dn\u00ed silou, <\/span>energie z kyvadla zp\u016fsob\u00ed roztr\u017een\u00ed vzorku pod\u00e9l z\u00e1\u0159ezu.<\/p>\n<p><span style=\"font-size: 140%;\">4. V\u00fdpo\u010det<\/span><\/p>\n<p><span class=\"fontstyle0\">Vypo\u010d\u00edtejte pr\u016fm\u011brnou trhac\u00ed s\u00edlu v millinewtonech (mN) nebo v gramech s\u00edly (gf).<\/span><\/p>\n\t\t\n<style>\n#text-4112767747 {\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\n<style>\n#col-2145574000 > .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_335963366 {\n  padding-top: 30px;\n  padding-bottom: 30px;\n}\n#section_335963366 .ux-shape-divider--top svg {\n  height: 150px;\n  --divider-top-width: 100%;\n}\n#section_335963366 .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-1783228930\">\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-1577604073\" 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-1187743042\" class=\"text\">\n\t\t\n\n<h2 class=\"h-large uppercase\" style=\"text-align: right;\">Pot\u0159ebujete \u0159e\u0161en\u00ed pro testov\u00e1n\u00ed pevnosti v slz\u00e1ch?<\/h2>\n<p>Zajist\u011bte, aby va\u0161e f\u00f3lie spl\u0148ovala nejvy\u0161\u0161\u00ed standardy trvanlivosti s p\u0159esnost\u00ed <strong>Testov\u00e1n\u00ed pevnosti v roztr\u017een\u00ed<\/strong>. A\u0165 u\u017e hodnot\u00edte <strong>obalov\u00fd film<\/strong>, <strong>stretch f\u00f3lie<\/strong>, nebo jin\u00fdch materi\u00e1l\u016f odoln\u00fdch proti roztr\u017een\u00ed, na\u0161e pokro\u010dil\u00e1 testovac\u00ed \u0159e\u0161en\u00ed poskytuj\u00ed p\u0159esn\u00e1 a spolehliv\u00e1 data, kter\u00e1 pot\u0159ebujete.<\/p>\n\t\t\n<style>\n#text-1187743042 {\n  text-align: right;\n}\n<\/style>\n\t<\/div>\n\t\n<a class=\"button white is-outline\"  >\n    <span>Zkontrolujte SLD-01 Elmendorf Tear Tester<\/span>\n  <\/a>\n\n\n\n              <\/div>\n           <\/div>\n                            \n<style>\n#text-box-1577604073 {\n  width: 60%;\n}\n#text-box-1577604073 .text-box-content {\n  font-size: 100%;\n}\n@media (min-width:550px) {\n  #text-box-1577604073 {\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_2131937729\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img decoding=\"async\" width=\"248\" height=\"400\" src=\"https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/SLD-01-Emendorf-Tear-Tester-248x400.webp\" class=\"attachment-medium size-medium\" alt=\"Tester slz SLD-01 Elmendorf\" srcset=\"https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/SLD-01-Emendorf-Tear-Tester-248x400.webp 248w, https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/SLD-01-Emendorf-Tear-Tester-495x800.webp 495w, https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/SLD-01-Emendorf-Tear-Tester-768x1240.webp 768w, https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/SLD-01-Emendorf-Tear-Tester-951x1536.webp 951w, https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/SLD-01-Emendorf-Tear-Tester-1268x2048.webp 1268w, https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/SLD-01-Emendorf-Tear-Tester-510x824.webp 510w, https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/SLD-01-Emendorf-Tear-Tester-scaled.webp 1585w\" sizes=\"(max-width: 248px) 100vw, 248px\" \/>\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_2131937729 {\n  width: 45%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\n        <\/div>\n      <\/div>\n\n            \n<style>\n#banner-1783228930 {\n  padding-top: 500px;\n}\n#banner-1783228930 .overlay {\n  background-color: rgba(0, 0, 0, 0.2);\n}\n<\/style>\n  <\/div>\n\n\n\t<section class=\"section\" id=\"section_1391796507\">\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-1621731598\">\n\n\n\t<div id=\"col-1338841504\" 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>\u010cast\u00e9 ot\u00e1zky o Elmendorfov\u011b testu slz<\/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-1246480533\">\n\n\n\t<div id=\"col-407898348\" 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>Jak se Elmendorfsk\u00fd test slz li\u0161\u00ed od jin\u00fdch test\u016f slz?<\/h3>\n<p>The <strong>Elmendorfsk\u00fd test slz<\/strong> se vyzna\u010duje t\u00edm, \u017ee k m\u011b\u0159en\u00ed energie pot\u0159ebn\u00e9 k \u0161\u00ed\u0159en\u00ed trhliny ve vzorku pou\u017e\u00edv\u00e1 zkou\u0161e\u010dku typu kyvadla. Na rozd\u00edl od jin\u00fdch slzn\u00fdch test\u016f, jako je nap\u0159 <strong>testy odolnosti proti roztr\u017een\u00ed pomoc\u00ed stroj\u016f s konstantn\u00ed rychlost\u00ed rozta\u017een\u00ed (nap\u0159\u00edklad roztr\u017een\u00ed typu kalhot)<\/strong>, <strong>Elmendorfsk\u00fd test slz<\/strong> se zam\u011b\u0159uje na dynamickou energii aplikovanou na materi\u00e1l, d\u00edky \u010demu\u017e je vhodn\u00fd pro testov\u00e1n\u00ed tenk\u00fdch film\u016f a flexibiln\u00edch materi\u00e1l\u016f. Tento test poskytuje reprezentaci toho, jak se materi\u00e1ly budou chovat p\u0159i skute\u010dn\u00e9m mechanick\u00e9m nam\u00e1h\u00e1n\u00ed, jak\u00e9 se vyskytuje b\u011bhem p\u0159epravy.<\/p>\n<p>\u00a0<\/p>\n<h3>Jak interpretuji v\u00fdsledky testu Elmendorf Tear Test?<\/h3>\n<p>V\u00fdsledek an <strong>Elmendorfsk\u00fd test slz<\/strong> se vyjad\u0159uje jako <strong>pevnost v roztr\u017een\u00ed<\/strong> materi\u00e1lu, obvykle m\u011b\u0159eno v <strong>gram\u016f<\/strong> g) nebo <strong>Newtony<\/strong> (N). \u010c\u00edm vy\u0161\u0161\u00ed je pevnost v roztr\u017een\u00ed, t\u00edm je materi\u00e1l odoln\u011bj\u0161\u00ed v\u016f\u010di roztr\u017een\u00ed p\u0159i nam\u00e1h\u00e1n\u00ed.<\/p>\n<ul>\n<li><strong>Vy\u0161\u0161\u00ed trhac\u00ed s\u00edla<\/strong>: Materi\u00e1ly s vy\u0161\u0161\u00ed pevnost\u00ed v roztr\u017een\u00ed jsou obecn\u011b odoln\u011bj\u0161\u00ed a jsou vhodn\u00e9 pro aplikace, kter\u00e9 zahrnuj\u00ed manipulaci nebo p\u0159epravu.<\/li>\n<li><strong>Ni\u017e\u0161\u00ed trhac\u00ed s\u00edla<\/strong>: Materi\u00e1ly s ni\u017e\u0161\u00ed pevnost\u00ed v roztr\u017een\u00ed mohou b\u00fdt n\u00e1chyln\u011bj\u0161\u00ed k roztr\u017een\u00ed nebo prora\u017een\u00ed, co\u017e je \u010din\u00ed m\u00e9n\u011b ide\u00e1ln\u00edmi pro obalov\u00e9 aplikace, kter\u00e9 vy\u017eaduj\u00ed robustn\u00ed ochranu.<\/li>\n<\/ul>\n<p>Test \u010dasto zahrnuje v\u00edce vzork\u016f, aby se zajistilo, \u017ee v\u00fdsledky jsou statisticky v\u00fdznamn\u00e9. Z jednotliv\u00fdch test\u016f se vypo\u010d\u00edt\u00e1 pr\u016fm\u011brn\u00e1 pevnost v roztr\u017een\u00ed, aby se poskytlo celkov\u00e9 posouzen\u00ed odolnosti materi\u00e1lu proti roztr\u017een\u00ed.<\/p>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-1520219094\" 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>Jak\u00fd je \u00fa\u010del Elmendorfsk\u00e9ho testu slz?<\/h3>\n<p>The <strong>Elmendorfsk\u00fd test slz<\/strong> se pou\u017e\u00edv\u00e1 p\u0159edev\u0161\u00edm k m\u011b\u0159en\u00ed <strong>odolnost proti roztr\u017een\u00ed<\/strong> materi\u00e1l\u016f, jako nap\u0159 <strong>plastov\u00e9 f\u00f3lie<\/strong>, <strong>stretch f\u00f3lie<\/strong>a <strong>obalov\u00e9 f\u00f3lie<\/strong>. Tento test kvantifikuje mno\u017estv\u00ed energie pot\u0159ebn\u00e9 k \u0161\u00ed\u0159en\u00ed trhliny ve vzorku. Je z\u00e1sadn\u00ed pro ur\u010den\u00ed, jak dob\u0159e m\u016f\u017ee materi\u00e1l odol\u00e1vat trhac\u00edm sil\u00e1m b\u011bhem manipulace, balen\u00ed a p\u0159epravy. Odolnost proti roztr\u017een\u00ed je zvl\u00e1\u0161t\u011b d\u016fle\u017eit\u00e1 u f\u00f3li\u00ed pou\u017e\u00edvan\u00fdch v n\u00e1ro\u010dn\u00fdch aplikac\u00edch, jako jsou balen\u00ed potravin, l\u00e9ka\u0159sk\u00e9 obaly a ochrann\u00e9 obaly.<\/p>\n<h3>Jak Elmendorf\u016fv trhac\u00ed test odpov\u00edd\u00e1 za \u0161ikm\u00e9 sm\u011brov\u00e9 trh\u00e1n\u00ed?<\/h3>\n<p>K \u0161ikm\u00e9mu trh\u00e1n\u00ed doch\u00e1z\u00ed, kdy\u017e se trhlina odchyluje od zam\u00fd\u0161len\u00e9ho sm\u011bru, \u010dasto kv\u016fli anizotropn\u00ed povaze n\u011bkter\u00fdch film\u016f. ASTM D 1922 poskytuje \u0159e\u0161en\u00ed pomoc\u00ed vzorku s konstantn\u00edm polom\u011brem, kter\u00fd tento probl\u00e9m kompenzuje. U materi\u00e1l\u016f vykazuj\u00edc\u00edch \u0161ikm\u00e9 trh\u00e1n\u00ed m\u016f\u017ee b\u00fdt nutn\u00e9 pou\u017e\u00edt metodu, jako jsou zk\u0159\u00ed\u017een\u00e9 polaroidov\u00e9 desti\u010dky, k identifikaci sm\u011bru maxim\u00e1ln\u00ed orientace a \u0159ezat vzorek pod\u00e9l t\u00e9to osy. To pom\u00e1h\u00e1 zajistit reprodukovateln\u011bj\u0161\u00ed v\u00fdsledky, zejm\u00e9na u film\u016f s r\u016fzn\u00fdm stupn\u011bm orientace nebo elasticity.<\/p>\n<h3>Lze Elmendorf\u016fv trhac\u00ed test pou\u017e\u00edt pro v\u0161echny typy plastov\u00fdch f\u00f3li\u00ed a f\u00f3li\u00ed?<\/h3>\n<p>Zat\u00edmco Elmendorf\u016fv trhac\u00ed test je \u0161iroce pou\u017e\u00edv\u00e1n pro hodnocen\u00ed odolnosti plastov\u00fdch f\u00f3li\u00ed a tenk\u00fdch f\u00f3li\u00ed proti roztr\u017een\u00ed, jeho spolehlivost je nejvhodn\u011bj\u0161\u00ed pro materi\u00e1ly, kter\u00e9 jsou m\u00e9n\u011b rozta\u017eiteln\u00e9. Test m\u016f\u017ee vykazovat prom\u011bnlivou reprodukovatelnost pro v\u00edce rozta\u017eiteln\u00e9 nebo vysoce orientovan\u00e9 filmy, proto\u017ee tyto materi\u00e1ly mohou vykazovat v\u00fdznamn\u00e9 prodlou\u017een\u00ed b\u011bhem trh\u00e1n\u00ed, co\u017e ovliv\u0148uje konzistenci testu. Proto je d\u016fle\u017eit\u00e9 potvrdit reprodukovatelnost v\u00fdsledk\u016f pro konkr\u00e9tn\u00ed materi\u00e1ly p\u0159ed pou\u017eit\u00edm testu pro kontrolu v\u00fdroby nebo hodnocen\u00ed slu\u017eeb.<\/p>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\n<style>\n#row-1246480533 > .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_1391796507 {\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\" >Dal\u0161\u00ed testy pro obalov\u00fd film<\/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-518","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>Elmendorf Tear Test - Wrap Film Test<\/title>\n<meta name=\"description\" content=\"Learn about the Elmendorf Tear Test, a crucial method for evaluating tear resistance in packaging materials such as stretch films and wrap films. Compliant with ASTM D1922 and ISO 6383-2 standards, it ensures material durability under real-world stress.\" \/>\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\/cs\/elmendorf-tear-test\" \/>\n<meta property=\"og:locale\" content=\"cs_CZ\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Master the Elmendorf Tear Test for Packaging Material Durability\" \/>\n<meta property=\"og:description\" content=\"Understand the importance of the Elmendorf Tear Test for evaluating tear resistance in materials like stretch and wrap films. Essential for packaging industries, the test helps ensure durability in transit and storage\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.wrapfilmtest.com\/cs\/elmendorf-tear-test\" \/>\n<meta property=\"og:site_name\" content=\"Wrap Film Test\" \/>\n<meta property=\"article:modified_time\" content=\"2025-01-13T08:36:13+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=\"Elmendorf Tear Test: Ensuring Durability of Packaging Materials\" \/>\n<meta name=\"twitter:description\" content=\"Accurately test the tear strength of packaging materials with the Elmendorf Tear Test. 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