{"id":567,"date":"2024-12-25T05:12:04","date_gmt":"2024-12-25T05:12:04","guid":{"rendered":"https:\/\/www.wrapfilmtest.com\/?page_id=567"},"modified":"2025-01-13T08:40:48","modified_gmt":"2025-01-13T08:40:48","slug":"haze-and-transmittance-test","status":"publish","type":"page","link":"https:\/\/www.wrapfilmtest.com\/cs\/haze-and-transmittance-test","title":{"rendered":"Test z\u00e1kalu a propustnosti"},"content":{"rendered":"<div class=\"slider-wrapper relative\" id=\"slider-1088191422\" >\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-576944132\">\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-1979305852\" 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>Test z\u00e1kalu a propustnosti<\/h2>\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-1979305852 {\n  width: 66%;\n}\n#text-box-1979305852 .text-box-content {\n  font-size: 100%;\n}\n<\/style>\n    <\/div>\n \n\n        <\/div>\n      <\/div>\n\n            \n<style>\n#banner-576944132 {\n  padding-top: 30%;\n}\n#banner-576944132 .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-576944132 .overlay {\n  background-color: rgba(0, 0, 0, 0.25);\n}\n#banner-576944132 .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-1019824582\">\n\n\n\t<div id=\"col-317534914\" 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;\">Test z\u00e1kalu a propustnosti pro obalov\u00e9 f\u00f3lie: Komplexn\u00ed pr\u016fvodce<\/h2>\n<p>Obalov\u00e9 f\u00f3lie, v\u010detn\u011b stretch f\u00f3li\u00ed a balic\u00edch f\u00f3li\u00ed, se pou\u017e\u00edvaj\u00ed v r\u016fzn\u00fdch aplikac\u00edch, od balen\u00ed po ochranu a p\u0159epravu. Tyto f\u00f3lie \u010dasto pot\u0159ebuj\u00ed zachovat ur\u010ditou \u00farove\u0148 pr\u016fhlednosti, aby umo\u017enily viditelnost obsahu a z\u00e1rove\u0148 poskytovaly \u00fa\u010dinnou ochranu proti vn\u011bj\u0161\u00edm prvk\u016fm.<\/p>\n<h5>\u00a0<\/h5>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-828463376\" 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_138576205\">\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=\"631\" height=\"400\" src=\"https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/Haze-Meter-and-Luminous-Transmittance-meter-631x400.webp\" class=\"attachment-medium size-medium\" alt=\"M\u011b\u0159i\u010d z\u00e1kalu a m\u011b\u0159i\u010d sv\u011bteln\u00e9 propustnosti\" srcset=\"https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/Haze-Meter-and-Luminous-Transmittance-meter-631x400.webp 631w, https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/Haze-Meter-and-Luminous-Transmittance-meter-1262x800.webp 1262w, https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/Haze-Meter-and-Luminous-Transmittance-meter-768x487.webp 768w, https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/Haze-Meter-and-Luminous-Transmittance-meter-510x323.webp 510w, https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/Haze-Meter-and-Luminous-Transmittance-meter.webp 1330w\" sizes=\"(max-width: 631px) 100vw, 631px\" \/>\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_138576205 {\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 has-parallax\" id=\"section_1949861374\">\n\t\t<div class=\"bg section-bg fill bg-fill\" data-parallax-container=\".section\" data-parallax-background data-parallax=\"-4\">\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-1075641229\">\n\n\n\t<div id=\"col-1611711923\" 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-780905786\" class=\"text\">\n\t\t\n\n<h2 class=\"uppercase\">Role z\u00e1kalu a propustnosti sv\u011btla v balen\u00ed<\/h2>\n\t\t\n<style>\n#text-780905786 {\n  color: rgb(253, 253, 253);\n}\n#text-780905786 > * {\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-893703144\" 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-1975401243\" class=\"text\">\n\t\t\n\n<p>Propustnost z\u00e1kalu a sv\u011btla p\u0159\u00edmo ovliv\u0148uje \u010dirost a vzhled balic\u00ed f\u00f3lie, co\u017e je z\u00e1sadn\u00ed pro vn\u00edm\u00e1n\u00ed spot\u0159ebitele, zejm\u00e9na p\u0159i balen\u00ed potravin a maloobchodn\u00edm prost\u0159ed\u00ed. Neadekv\u00e1tn\u00ed \u00farovn\u011b z\u00e1kalu mohou m\u00edt za n\u00e1sledek \u0161patnou vizu\u00e1ln\u00ed p\u0159ita\u017elivost, zat\u00edmco nespr\u00e1vn\u00e1 propustnost m\u016f\u017ee ohrozit \u00fa\u010dinnost obalu p\u0159i ochran\u011b produkt\u016f. Testov\u00e1n\u00ed zaji\u0161\u0165uje, \u017ee f\u00f3lie spl\u0148uj\u00ed po\u017eadovan\u00e9 specifikace pro optickou \u010distotu a pr\u016fhlednost.<\/p>\n\t\t\n<style>\n#text-1975401243 {\n  color: rgb(255, 255, 255);\n}\n#text-1975401243 > * {\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_1949861374 {\n  padding-top: 60px;\n  padding-bottom: 60px;\n  min-height: 300px;\n  background-color: rgb(245, 245, 245);\n}\n#section_1949861374 .section-bg-overlay {\n  background-color: rgba(0,0,0,.5);\n}\n#section_1949861374 .section-bg.bg-loaded {\n  background-image: url(https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/Haze-Meter-for-film-scaled.webp);\n}\n#section_1949861374 .section-bg {\n  background-position: 46% 58%;\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-2544658330\" class=\"text\">\n\t\t\n\n<h2>Propustnost a z\u00e1kal jsou dv\u011b velmi d\u016fle\u017eit\u00e9 optick\u00e9 vlastnosti pr\u016fhledn\u00fdch materi\u00e1l\u016f.<\/h2>\n\t\t\n<style>\n#text-2544658330 {\n  text-align: center;\n}\n<\/style>\n\t<\/div>\n\t\n<p style=\"text-align: center;\">Z\u00e1kal siln\u011b souvis\u00ed s rozpt\u00fdlen\u00fdm a proch\u00e1zej\u00edc\u00edm sv\u011bteln\u00fdm tokem; Propustnost je procento sv\u011bteln\u00e9ho toku prost\u0159ed\u00edm k celkov\u00e9mu dopadaj\u00edc\u00edmu sv\u011bteln\u00e9mu toku.<\/p>\n\t<section class=\"section\" id=\"section_1060628583\">\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-332404115\">\n\n\n\t<div id=\"col-333755953\" class=\"col medium-3 small-12 large-3\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n<p>Z\u00e1kal charakterizuje stav z\u00e1kalu a nepravidelnosti v pr\u016fhledn\u00fdch nebo pr\u016fsvitn\u00fdch materi\u00e1lech a propustnost ozna\u010duje schopnost materi\u00e1lu propou\u0161t\u011bt sv\u011btlo.<\/p>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-161843246\" class=\"col medium-5 small-12 large-5\"  >\n\t\t\t\t<div class=\"col-inner\"  >\n\t\t\t\n\t\t\t\n\n<p>Z\u00e1kal je pom\u011br toku rozpt\u00fdlen\u00e9ho sv\u011btla k toku proch\u00e1zej\u00edc\u00edho sv\u011btla, kter\u00fd se odchyluje od sm\u011bru dopadaj\u00edc\u00edho sv\u011btla, kdy\u017e paraleln\u00ed sv\u011btlo proch\u00e1z\u00ed vzorkem materi\u00e1lu, a je vyj\u00e1d\u0159en v procentech. K v\u00fdpo\u010dtu z\u00e1kalu se obvykle pou\u017e\u00edv\u00e1 pouze tok rozpt\u00fdlen\u00e9ho sv\u011btla, kter\u00fd se odchyluje od sm\u011bru dopadaj\u00edc\u00edho sv\u011btla o v\u00edce ne\u017e 2,5 stupn\u011b.<\/p>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-904184766\" 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>Propustnost<\/strong> je schopnost sv\u011btla proch\u00e1zet prost\u0159ed\u00edm hmotn\u00e9ho p\u0159edm\u011btu a je to procento sv\u011bteln\u00e9ho toku, kter\u00fd proch\u00e1z\u00ed hmotn\u00fdm prost\u0159ed\u00edm, k jeho dopadaj\u00edc\u00edmu sv\u011bteln\u00e9mu toku.<\/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_1060628583 {\n  padding-top: 60px;\n  padding-bottom: 60px;\n  min-height: 300px;\n}\n#section_1060628583 .ux-shape-divider--top svg {\n  height: 150px;\n  --divider-top-width: 100%;\n}\n#section_1060628583 .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\" id=\"section_214205637\">\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-1532081704\">\n\n\n\t<div id=\"col-1797508926\" 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\t<div id=\"text-489929796\" class=\"text\">\n\t\t\n\n<h3>Jak se po\u010d\u00edt\u00e1 z\u00e1kal a propustnost?<\/h3>\n\t\t\n<style>\n#text-489929796 {\n  font-size: 1.75rem;\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 row-large\"  id=\"row-251523370\">\n\n\n\t<div id=\"col-1300450433\" class=\"col medium-7 small-12 large-7\"  >\n\t\t\t\t<div class=\"col-inner text-center\"  >\n\t\t\t\n\t\t\t\n\n<p style=\"text-align: left;\">B\u011bhem testu, kdy nedoch\u00e1z\u00ed k \u017e\u00e1dn\u00e9mu dopadaj\u00edc\u00edmu sv\u011btlu, je p\u0159ijat\u00fd sv\u011bteln\u00fd tok 0. Pokud nen\u00ed \u017e\u00e1dn\u00fd vzorek, projde ve\u0161ker\u00e9 dopadaj\u00edc\u00ed sv\u011btlo skrz a p\u0159ijat\u00fd sv\u011bteln\u00fd tok je 100, co\u017e je ozna\u010deno jako T1. V tomto bod\u011b je paraleln\u00ed sv\u011btlo absorbov\u00e1no sv\u011btelnou past\u00ed a p\u0159ijat\u00fd sv\u011bteln\u00fd tok je rozpt\u00fdlen\u00fd sv\u011bteln\u00fd tok p\u0159\u00edstroje, T3. Pot\u00e9 je vzorek um\u00edst\u011bn a p\u0159\u00edstroj p\u0159ij\u00edm\u00e1 proch\u00e1zej\u00edc\u00ed sv\u011bteln\u00fd tok, kter\u00fd je T2. Pokud je paraleln\u00ed sv\u011btlo absorbov\u00e1no sv\u011btelnou past\u00ed, p\u0159ijat\u00fd sv\u011bteln\u00fd tok je sou\u010dtem vzorku a rozpt\u00fdlen\u00e9ho sv\u011bteln\u00e9ho toku p\u0159\u00edstroje, T4. Na z\u00e1klad\u011b nam\u011b\u0159en\u00fdch hodnot T1, T2, T3 a T4 lze vypo\u010d\u00edtat hodnoty propustnosti a z\u00e1kalu.<\/p>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-12449936\" class=\"col medium-5 small-12 large-5\"  >\n\t\t\t\t<div class=\"col-inner text-center\"  >\n\t\t\t\n\t\t\t\n\n<p style=\"text-align: left;\">Propustnost Tt se vypo\u010d\u00edt\u00e1 podle n\u00e1sleduj\u00edc\u00edho vzorce:<\/p>\n<p style=\"text-align: left;\"><strong>Tt(%)=T2\/T1*100<\/strong><\/p>\n<p style=\"text-align: left;\">Hodnota z\u00e1kalu H se vypo\u010d\u00edt\u00e1 podle n\u00e1sleduj\u00edc\u00edho vzorce:<\/p>\n<p style=\"text-align: left;\"><strong>H(%)=(T4\/T2-T3\/T1)*100<\/strong><\/p>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n<div class=\"row\"  id=\"row-1932326001\">\n\n\n\t<div id=\"col-326171376\" 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-4152391324\" class=\"text\">\n\t\t\n\n<div class=\"flex max-w-full flex-col flex-grow\">\n<div class=\"min-h-8 text-message flex w-full flex-col items-end gap-2 whitespace-normal break-words text-start &#091;.text-message+&amp;&#093;:mt-5\" dir=\"auto\" data-message-author-role=\"assistant\" data-message-id=\"70ce54c9-bbec-45b4-a163-7abfc4da4420\" data-message-model-slug=\"gpt-4o\">\n<div class=\"flex w-full flex-col gap-1 empty:hidden first:pt-&#091;3px&#093;\">\n<div class=\"markdown prose w-full break-words dark:prose-invert light\">\n<p>Obecn\u011b \u0159e\u010deno, propustnost a z\u00e1kal maj\u00ed inverzn\u00ed vztah. Materi\u00e1ly s vysokou propustnost\u00ed m\u00edvaj\u00ed n\u00edzk\u00fd z\u00e1kal a naopak. Vztah mezi t\u011bmito dv\u011bma v\u0161ak nen\u00ed v\u017edy takov\u00fd a n\u011bkdy mohou b\u00fdt v\u00fdsledky opa\u010dn\u00e9.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\t\t\n<style>\n#text-4152391324 {\n  text-align: center;\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_214205637 {\n  padding-top: 45px;\n  padding-bottom: 45px;\n  background-color: #273647;\n}\n@media (min-width:550px) {\n  #section_214205637 {\n    padding-top: 65px;\n    padding-bottom: 65px;\n  }\n}\n@media (min-width:850px) {\n  #section_214205637 {\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-3248541179\" class=\"text\">\n\t\t\n\n<h2>Hlavn\u00ed standardy pro testov\u00e1n\u00ed z\u00e1kalu a propustnosti<\/h2>\n\t\t\n<style>\n#text-3248541179 {\n  text-align: center;\n}\n<\/style>\n\t<\/div>\n\t\n\t<section class=\"section\" id=\"section_1816538214\">\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-1213888597\">\n\n\n\t<div id=\"col-1387775828\" 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>M\u011b\u0159en\u00ed z\u00e1kalu a propustnosti se \u0159\u00edd\u00ed n\u011bkolika mezin\u00e1rodn\u00edmi normami, kter\u00e9 zaji\u0161\u0165uj\u00ed p\u0159esnost a konzistenci v r\u00e1mci testovac\u00edch postup\u016f.<\/p>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n<\/div>\n<div class=\"row\"  id=\"row-1381829408\">\n\n\n\t<div id=\"col-784700285\" 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 D1003 \u2013 Standardn\u00ed zku\u0161ebn\u00ed metoda pro z\u00e1kal a propustnost sv\u011btla u pr\u016fhledn\u00fdch plast\u016f<\/h3>\n<div id=\"pdp-description\">\n<div><a href=\"https:\/\/www.astm.org\/d1003-21.html\" target=\"_blank\" rel=\"noopener\">ASTM D1003<\/a> je nejb\u011b\u017en\u011bji pou\u017e\u00edvan\u00e1 metoda pro m\u011b\u0159en\u00ed z\u00e1kalu a propustnosti sv\u011btla v pr\u016fhledn\u00fdch plastech, v\u010detn\u011b obalov\u00fdch f\u00f3li\u00ed. Tento test pou\u017e\u00edv\u00e1 m\u011b\u0159i\u010d z\u00e1kalu k m\u011b\u0159en\u00ed stupn\u011b rozptylu sv\u011btla a procenta sv\u011btla proch\u00e1zej\u00edc\u00edho vzorkem.<\/div>\n<\/div>\n<a class=\"button primary\"  >\n    <span>Zjist\u011bte v\u00edce o ASTM D1003<\/span>\n  <\/a>\n\n\n<h3>ISO 13468 \u2013 Plasty \u2013 Stanoven\u00ed celkov\u00e9 propustnosti sv\u011btla pr\u016fhledn\u00fdmi materi\u00e1ly<\/h3>\n<div id=\"pdp-description\">\n<div><a href=\"https:\/\/www.iso.org\/standard\/77312.html\" target=\"_blank\" rel=\"noopener\">ISO 13468<\/a> poskytuje podrobn\u00fd postup pro testov\u00e1n\u00ed z\u00e1kalu plastov\u00fdch f\u00f3li\u00ed se zam\u011b\u0159en\u00edm na p\u0159esn\u00e9 podm\u00ednky m\u011b\u0159en\u00ed a vybaven\u00ed pro vyhodnocen\u00ed toho, kolik sv\u011btla je f\u00f3li\u00ed rozpt\u00fdleno.<\/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 ISO 13468<\/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-540850187\" 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 14782 \u2013 Plasty \u2013 Stanoven\u00ed z\u00e1kalu pro pr\u016fhledn\u00e9 materi\u00e1ly<\/h3>\n<p><a href=\"https:\/\/www.iso.org\/standard\/81840.html\" target=\"_blank\" rel=\"noopener\">ISO 14782<\/a> popisuje zp\u016fsob m\u011b\u0159en\u00ed z\u00e1kalu a propustnosti sv\u011btla plastov\u00fdmi f\u00f3liemi. Specifikuje vybaven\u00ed, postup a podm\u00ednky nezbytn\u00e9 k zaji\u0161t\u011bn\u00ed p\u0159esn\u00fdch a opakovateln\u00fdch v\u00fdsledk\u016f.<\/p>\n<a class=\"button primary\"  >\n    <span>Zjist\u011bte v\u00edce o ISO 14782<\/span>\n  <\/a>\n\n\n<h3>ASTM D1044 \u2013<span style=\"font-size: 20.16px;\">Standardn\u00ed zku\u0161ebn\u00ed metoda pro odolnost pr\u016fhledn\u00fdch plast\u016f proti povrchov\u00e9mu ot\u011bru pomoc\u00ed Taber Abraser<\/span><\/h3>\n<div id=\"pdp-description\">\n<div class=\"astm-type-body--lead border-top mt-3 pt-2 adv-description\"><span style=\"color: #555555; font-size: 14.4px;\">I kdy\u017e to p\u0159\u00edmo nesouvis\u00ed s oparem, <\/span><a style=\"font-size: 14.4px;\" href=\"https:\/\/www.astm.org\/d1044-19.html\" target=\"_blank\" rel=\"noopener\">ASTM D1044<\/a><span style=\"color: #555555; font-size: 14.4px;\"> je kl\u00ed\u010dov\u00fd standard pro testov\u00e1n\u00ed odolnosti f\u00f3li\u00ed proti od\u011bru, co\u017e m\u016f\u017ee ovlivnit propustnost f\u00f3lie a celkovou \u010dirost b\u011bhem pou\u017e\u00edv\u00e1n\u00ed.<\/span><\/div>\n<\/div>\n<a class=\"button primary\"  >\n    <span>Zjist\u011bte v\u00edce o ASTM D1044<\/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_1816538214 {\n  padding-top: 60px;\n  padding-bottom: 60px;\n  min-height: 300px;\n  background-color: rgb(245, 245, 245);\n}\n#section_1816538214 .ux-shape-divider--top svg {\n  height: 150px;\n  --divider-top-width: 100%;\n}\n#section_1816538214 .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-1284288113\">\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-585711041\" 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 test propustnosti z\u00e1kalu a sv\u011btla<\/strong><\/h2>\n\n              <\/div>\n           <\/div>\n                            \n<style>\n#text-box-585711041 {\n  width: 60%;\n}\n#text-box-585711041 .text-box-content {\n  font-size: 100%;\n}\n@media (min-width:550px) {\n  #text-box-585711041 {\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_1249742983\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img decoding=\"async\" width=\"768\" height=\"1156\" src=\"https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/Haze-and-Light-Transmittance-Tester-768x1156.webp\" class=\"attachment-medium_large size-medium_large\" alt=\"Tester propustnosti sv\u011btla a z\u00e1kalu\" srcset=\"https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/Haze-and-Light-Transmittance-Tester-768x1156.webp 768w, https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/Haze-and-Light-Transmittance-Tester-266x400.webp 266w, https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/Haze-and-Light-Transmittance-Tester-532x800.webp 532w, https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/Haze-and-Light-Transmittance-Tester-510x768.webp 510w, https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/Haze-and-Light-Transmittance-Tester.webp 1000w\" sizes=\"(max-width: 768px) 100vw, 768px\" \/>\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_1249742983 {\n  width: 44%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\n        <\/div>\n      <\/div>\n\n            \n<style>\n#banner-1284288113 {\n  padding-top: 500px;\n}\n#banner-1284288113 .overlay {\n  background-color: rgba(0, 0, 0, 0.31);\n}\n<\/style>\n  <\/div>\n\n\n\t<section class=\"section\" id=\"section_267681386\">\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-1278088722\">\n\n\n\t<div id=\"col-157870922\" 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>Test z\u00e1kalu a propustnosti<\/strong> se obvykle prov\u00e1d\u00ed pomoc\u00ed standardizovan\u00fdch testovac\u00edch metod, jako je nap\u0159 <strong>ASTM D1003<\/strong>, <strong>ISO 14782<\/strong>, <strong>ISO 13468<\/strong>a <strong>ASTM D1044<\/strong>. Tyto normy popisuj\u00ed postupy pro m\u011b\u0159en\u00ed optick\u00fdch vlastnost\u00ed pr\u016fhledn\u00fdch f\u00f3li\u00ed, v\u010detn\u011b z\u00e1kalu a propustnosti sv\u011btla, kter\u00e9 jsou kritick\u00e9 pro ur\u010den\u00ed toho, jak bude f\u00f3lie fungovat v praktick\u00fdch aplikac\u00edch, jako je balen\u00ed, displeje a dal\u0161\u00ed pr\u016fmyslov\u00e9 pou\u017eit\u00ed.<\/p>\n<div class=\"text-right\"><div class=\"is-divider divider clearfix\" style=\"max-width:100px;\"><\/div><\/div>\n\n\t<div id=\"text-127300038\" class=\"text\">\n\t\t\n\n<h3>Postup testov\u00e1n\u00ed krok za krokem<\/h3>\n\t\t\n<style>\n#text-127300038 {\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-991311765\">\n\n\n\t<div id=\"col-1937025463\" 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-71472545\" class=\"text\">\n\t\t\n\n<p><span style=\"font-size: 140%;\">1.P\u0159\u00edprava vzorku<\/span><\/p>\n<p><strong>V\u00fdb\u011br vzorku<\/strong>: Vyberte reprezentativn\u00ed vzorek filmu pro testov\u00e1n\u00ed. Ujist\u011bte se, \u017ee je f\u00f3lie \u010dist\u00e1 a bez ne\u010distot, \u0161kr\u00e1banc\u016f nebo jin\u00fdch nedokonalost\u00ed, kter\u00e9 by mohly ovlivnit m\u011b\u0159en\u00ed.<\/p>\n<p><strong>Velikost vzorku<\/strong>: Obvykle se po\u017eaduje, aby vzorek filmu byl dostate\u010dn\u011b velk\u00fd, aby pln\u011b pokryl testovac\u00ed otvor z\u00e1kalometru, typicky kruhovou oblast o pr\u016fm\u011bru p\u0159ibli\u017en\u011b 50 mm nebo v\u00edce.<\/p>\n\t\t\n<style>\n#text-71472545 {\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-1466657490\" 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-2535983773\" class=\"text\">\n\t\t\n\n<p><span style=\"font-size: 140%;\">2. Nastaven\u00ed p\u0159\u00edstroj\u016f<\/span><\/p>\n<p><strong>Kalibrace m\u011b\u0159i\u010de z\u00e1kalu<\/strong>: M\u011b\u0159i\u010d z\u00e1kalu mus\u00ed b\u00fdt zkalibrov\u00e1n podle pokyn\u016f v\u00fdrobce. Kalibrace zaji\u0161\u0165uje, \u017ee p\u0159\u00edstroj poskytuje p\u0159esn\u00e9 \u00fadaje. Kalibrace se obvykle prov\u00e1d\u00ed s certifikovan\u00fdm standardn\u00edm materi\u00e1lem, kter\u00fd m\u00e1 zn\u00e1m\u00e9 hodnoty z\u00e1kalu a propustnosti.<\/p>\n<p>Um\u00edst\u011bte film vzorku mezi zdroj sv\u011btla p\u0159\u00edstroje a detektor. F\u00f3lie by m\u011bla b\u00fdt um\u00edst\u011bna tak, aby j\u00edm proch\u00e1zelo sv\u011btlo.<\/p>\n\t\t\n<style>\n#text-2535983773 {\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=\"text-center\"><div class=\"is-divider divider clearfix\" ><\/div><\/div>\n\n<div class=\"row row-divided row-box-shadow-2-hover\"  id=\"row-1174740855\">\n\n\n\t<div id=\"col-819566010\" 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-1698868951\" class=\"text\">\n\t\t\n\n<p><span style=\"font-size: 140%;\">3. Nastaven\u00ed parametr\u016f<\/span><\/p>\n<p><span class=\"fontstyle0\">Vyberte testovac\u00ed standard, testovan\u00fd p\u0159edm\u011bt Haze, propustnost nebo oboj\u00ed a zdroj sv\u011btla, jako je Light A, Light C nebo Light D65.<\/span><\/p>\n\t\t\n<style>\n#text-1698868951 {\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-631743526\" 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-1223814016\" class=\"text\">\n\t\t\n\n<p><span style=\"font-size: 140%;\">4. Spus\u0165te test<\/span><\/p>\n<p><span class=\"fontstyle0\">Zm\u011b\u0159te standardn\u00ed vzorek jako v\u00fdchoz\u00ed a pot\u00e9 zm\u011b\u0159te testovan\u00e9 vzorky. V\u00fdsledek testu se zobraz\u00ed na obrazovce a u\u017eivatel m\u016f\u017ee v\u00fdsledky porovnat.\u00a0<\/span><\/p>\n\t\t\n<style>\n#text-1223814016 {\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-157870922 > .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_267681386 {\n  padding-top: 30px;\n  padding-bottom: 30px;\n}\n#section_267681386 .ux-shape-divider--top svg {\n  height: 150px;\n  --divider-top-width: 100%;\n}\n#section_267681386 .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-284382688\">\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-334429129\" 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-3927877262\" class=\"text\">\n\t\t\n\n<h2 class=\"h-large uppercase\" style=\"text-align: right;\">Pot\u0159ebujete \u0159e\u0161en\u00ed testu propustnosti sv\u011btla a z\u00e1kalu?<\/h2>\n<p>Zajist\u011bte optickou kvalitu sv\u00fdch film\u016f s p\u0159esnost\u00ed a spolehlivost\u00ed. N\u00e1\u0161 <strong>Roztoky pro testov\u00e1n\u00ed propustnosti sv\u011btla a z\u00e1kalu<\/strong> jsou navr\u017eeny tak, aby spl\u0148ovaly mezin\u00e1rodn\u00ed standardy. A\u0165 u\u017e testujete <strong>obalov\u00e9 f\u00f3lie<\/strong>, <strong>stretch f\u00f3lie<\/strong>nebo <strong>jin\u00e9 plastov\u00e9 materi\u00e1ly<\/strong>Na\u0161e pokro\u010dil\u00e9 testovac\u00ed za\u0159\u00edzen\u00ed poskytuje p\u0159esn\u00e9 v\u00fdsledky pro oba <strong>opar<\/strong> a <strong>propustnost<\/strong> m\u011b\u0159en\u00ed, co\u017e v\u00e1m pom\u016f\u017ee zlep\u0161it produkt za<\/p>\n\t\t\n<style>\n#text-3927877262 {\n  text-align: right;\n}\n<\/style>\n\t<\/div>\n\t\n<a class=\"button white is-outline\"  >\n    <span>Zkontrolujte tester propustnosti sv\u011btla a z\u00e1kalu<\/span>\n  <\/a>\n\n\n\n              <\/div>\n           <\/div>\n                            \n<style>\n#text-box-334429129 {\n  width: 60%;\n}\n#text-box-334429129 .text-box-content {\n  font-size: 100%;\n}\n@media (min-width:550px) {\n  #text-box-334429129 {\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_312929176\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img decoding=\"async\" width=\"240\" height=\"400\" src=\"https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/Haze-and-Light-Transmittance-Measurement-240x400.webp\" class=\"attachment-medium size-medium\" alt=\"M\u011b\u0159en\u00ed propustnosti sv\u011btla a z\u00e1kalu\" srcset=\"https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/Haze-and-Light-Transmittance-Measurement-240x400.webp 240w, https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/Haze-and-Light-Transmittance-Measurement-480x800.webp 480w, https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/Haze-and-Light-Transmittance-Measurement-768x1281.webp 768w, https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/Haze-and-Light-Transmittance-Measurement-921x1536.webp 921w, https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/Haze-and-Light-Transmittance-Measurement-1228x2048.webp 1228w, https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/Haze-and-Light-Transmittance-Measurement-510x851.webp 510w, https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/Haze-and-Light-Transmittance-Measurement-scaled.webp 1535w\" sizes=\"(max-width: 240px) 100vw, 240px\" \/>\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_312929176 {\n  width: 39%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\n        <\/div>\n      <\/div>\n\n            \n<style>\n#banner-284382688 {\n  padding-top: 500px;\n}\n#banner-284382688 .overlay {\n  background-color: rgba(0, 0, 0, 0.2);\n}\n<\/style>\n  <\/div>\n\n\n\t<section class=\"section\" id=\"section_675930432\">\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-1797175575\">\n\n\n\t<div id=\"col-332328512\" 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 dotazy o testu propustnosti sv\u011btla a z\u00e1kalu<\/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-579072771\">\n\n\n\t<div id=\"col-1758727678\" 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 rozd\u00edl mezi z\u00e1kalem a propustnost\u00ed sv\u011btla v plastov\u00fdch f\u00f3li\u00edch?<\/h3>\n<p>Z\u00e1kal ozna\u010duje rozptyl sv\u011btla p\u0159i pr\u016fchodu materi\u00e1lem, kter\u00fd zp\u016fsobuje ztr\u00e1tu jasnosti a m\u00e1 za n\u00e1sledek zakalen\u00fd vzhled. Sv\u011bteln\u00e1 propustnost na druh\u00e9 stran\u011b m\u011b\u0159\u00ed procento viditeln\u00e9ho sv\u011btla, kter\u00e9 projde materi\u00e1lem bez rozptylu. Zat\u00edmco z\u00e1kal kvantifikuje ztr\u00e1tu jasnosti nebo pr\u016fhlednosti, propustnost sv\u011btla posuzuje, kolik sv\u011btla m\u016f\u017ee materi\u00e1lem skute\u010dn\u011b proj\u00edt, co\u017e je d\u016fle\u017eit\u00e9 pro aplikace, jako je balen\u00ed a vizu\u00e1ln\u00ed displeje.<\/p>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-1649279056\" 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 test z\u00e1kalu a propustnosti sv\u011btla ovliv\u0148uje obalov\u00e9 materi\u00e1ly?<\/h3>\n<p>U obalov\u00fdch materi\u00e1l\u016f, zejm\u00e9na v potravin\u00e1\u0159sk\u00e9m a farmaceutick\u00e9m pr\u016fmyslu, je kritick\u00e1 \u010dirost a propustnost sv\u011btla obalov\u00e9ho materi\u00e1lu. Vysok\u00e9 hodnoty z\u00e1kalu mohou sn\u00ed\u017eit p\u0159ita\u017elivost produktu t\u00edm, \u017ee se zd\u00e1 b\u00fdt zakalen\u00fd nebo nepr\u016fhledn\u00fd, zat\u00edmco optim\u00e1ln\u00ed propustnost sv\u011btla zaji\u0161\u0165uje, \u017ee \u0161t\u00edtky, detaily produktu nebo obsah balen\u00ed z\u016fstanou viditeln\u00e9. Test pom\u00e1h\u00e1 v\u00fdrobc\u016fm zajistit, aby jejich f\u00f3lie spl\u0148ovaly estetick\u00e9 a funk\u010dn\u00ed po\u017eadavky na \u010distotu a pr\u016fhlednost.<\/p>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-1295783158\" 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\u00e1 je role m\u011b\u0159i\u010de z\u00e1kalu p\u0159i prov\u00e1d\u011bn\u00ed t\u011bchto test\u016f?<\/h3>\n<p>A <strong>m\u011b\u0159i\u010d z\u00e1kalu<\/strong> se pou\u017e\u00edv\u00e1 k m\u011b\u0159en\u00ed mno\u017estv\u00ed rozpt\u00fdlen\u00e9ho sv\u011btla proch\u00e1zej\u00edc\u00edho filmem. Obvykle funguje tak, \u017ee sm\u011bruje paprsek sv\u011btla skrz materi\u00e1l vzorku a pou\u017e\u00edv\u00e1 detektory k m\u011b\u0159en\u00ed proch\u00e1zej\u00edc\u00edho i rozpt\u00fdlen\u00e9ho sv\u011btla. Rozd\u00edl mezi t\u011bmito hodnotami pom\u00e1h\u00e1 vypo\u010d\u00edtat hodnoty z\u00e1kalu a propustnosti. Tento p\u0159\u00edstroj je nezbytn\u00fd pro poskytov\u00e1n\u00ed p\u0159esn\u00fdch, objektivn\u00edch a reprodukovateln\u00fdch v\u00fdsledk\u016f po\u017eadovan\u00fdch mezin\u00e1rodn\u00edmi zku\u0161ebn\u00edmi standardy.\u00a0<\/p>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-875531966\" 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 b\u011bhem testov\u00e1n\u00ed vypo\u010d\u00edt\u00e1 procento propustnosti sv\u011btla?<\/h3>\n<p>Sv\u011bteln\u00e1 propustnost se vypo\u010d\u00edt\u00e1 jako pom\u011br proch\u00e1zej\u00edc\u00edho sv\u011bteln\u00e9ho toku materi\u00e1lem k dopadaj\u00edc\u00edmu sv\u011bteln\u00e9mu toku. To se obvykle vyjad\u0159uje v procentech:<img decoding=\"async\" class=\"alignnone size-medium wp-image-579\" src=\"https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/Luminous-Transmittance-Formula-800x75.webp\" alt=\"Vzorec pro prostup sv\u011btla\" width=\"800\" height=\"75\" srcset=\"https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/Luminous-Transmittance-Formula-800x75.webp 800w, https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/Luminous-Transmittance-Formula-768x72.webp 768w, https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/Luminous-Transmittance-Formula-510x48.webp 510w, https:\/\/www.wrapfilmtest.com\/wp-content\/uploads\/2024\/12\/Luminous-Transmittance-Formula.webp 917w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>Tato hodnota ud\u00e1v\u00e1, kolik sv\u011btla (z hlediska viditeln\u00e9ho spektra) projde materi\u00e1lem, co\u017e je kl\u00ed\u010dov\u00e9 pro hodnocen\u00ed pr\u016fhlednosti a optick\u00e9 \u010dirosti f\u00f3li\u00ed pou\u017e\u00edvan\u00fdch v r\u016fzn\u00fdch aplikac\u00edch.<\/p>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\n<style>\n#row-579072771 > .col > .col-inner {\n  padding: 30px 30px 30px 30px;\n}\n<\/style>\n<\/div>\n<div class=\"row align-equal row-solid\"  id=\"row-760006152\">\n\n\n\t<div id=\"col-1354643970\" 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>Lze testov\u00e1n\u00ed z\u00e1kalu a propustnosti sv\u011btla pou\u017e\u00edt na jin\u00e9 materi\u00e1ly ne\u017e plastov\u00e9 f\u00f3lie?<\/h3>\n<p>Ano, testov\u00e1n\u00ed z\u00e1kalu a propustnosti sv\u011btla lze pou\u017e\u00edt na r\u016fzn\u00e9 materi\u00e1ly krom\u011b plastov\u00fdch f\u00f3li\u00ed, v\u010detn\u011b skla, povlak\u016f a lamin\u00e1t\u016f. Konkr\u00e9tn\u00ed zku\u0161ebn\u00ed metody a vybaven\u00ed se v\u0161ak mohou li\u0161it v z\u00e1vislosti na vlastnostech materi\u00e1lu. Nap\u0159\u00edklad zat\u00edmco ASTM D1003 se b\u011b\u017en\u011b pou\u017e\u00edv\u00e1 pro plastov\u00e9 f\u00f3lie, pro jin\u00e9 materi\u00e1ly mohou b\u00fdt vy\u017eadov\u00e1ny dal\u0161\u00ed normy nebo \u00fapravy, aby se zohlednily rozd\u00edly v chov\u00e1n\u00ed rozptylu sv\u011btla nebo povrchov\u00fdch charakteristik\u00e1ch.<\/p>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-1981913392\" 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>Kter\u00e9 normy se pou\u017e\u00edvaj\u00ed k prov\u00e1d\u011bn\u00ed testov\u00e1n\u00ed z\u00e1kalu a propustnosti?<\/h3>\n<p>Mezi prim\u00e1rn\u00ed standardy pro testov\u00e1n\u00ed z\u00e1kalu a propustnosti sv\u011btla pat\u0159\u00ed:<\/p>\n<li>ASTM D1003: Standardn\u00ed zku\u0161ebn\u00ed metoda pro z\u00e1kal a propustnost sv\u011btla pr\u016fhledn\u00fdch plast\u016f.<\/li>\n<li>ISO 14782: Tato norma specifikuje metodu pro stanoven\u00ed propustnosti sv\u011btla u plastov\u00fdch f\u00f3li\u00ed a list\u016f.<\/li>\n<li>ASTM D1044: Poskytuje pokyny pro stanoven\u00ed z\u00e1kalu a \u010dirosti plast\u016f vystaven\u00fdch abrazivn\u00edmu opot\u0159eben\u00ed. Tyto normy zaji\u0161\u0165uj\u00ed konzistentn\u00ed, opakovateln\u00e9 testov\u00e1n\u00ed a p\u0159esn\u00e1 data pro hodnocen\u00ed vlastnost\u00ed materi\u00e1lu.<\/li>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\n<style>\n#row-760006152 > .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_675930432 {\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-567","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>Haze and Transmittance Test - Wrap Film Test<\/title>\n<meta name=\"description\" content=\"Learn about the importance of Haze and Transmittance tests for wrap films, including the role of haze meters, luminous transmittance, and key industry standards like ASTM D1003 and ISO 14782. 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