{"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\/fr\/haze-and-transmittance-test","title":{"rendered":"Test de brume et de transmittance"},"content":{"rendered":"<div class=\"slider-wrapper relative\" id=\"slider-1320528569\" >\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-1372410676\">\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-2064584427\" 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 de brume et de transmittance<\/h2>\n<div class=\"is-divider divider clearfix\" ><\/div>\n\n<a href=\"https:\/\/www.wrapfilmtest.com\/fr\/contact\/\" target=\"_blank\" class=\"button success box-shadow-3\" rel=\"noopener\"  >\n    <span>Demander un devis<\/span>\n  <\/a>\n\n\n\n              <\/div>\n           <\/div>\n       <\/div>                     \n<style>\n#text-box-2064584427 {\n  width: 66%;\n}\n#text-box-2064584427 .text-box-content {\n  font-size: 100%;\n}\n<\/style>\n    <\/div>\n \n\n        <\/div>\n      <\/div>\n\n            \n<style>\n#banner-1372410676 {\n  padding-top: 30%;\n}\n#banner-1372410676 .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-1372410676 .overlay {\n  background-color: rgba(0, 0, 0, 0.25);\n}\n#banner-1372410676 .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-460000974\">\n\n\n\t<div id=\"col-1155682835\" 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 de transparence et de transmission pour les films d&#039;emballage : guide complet<\/h2>\n<p>Les films d&#039;emballage, notamment les films \u00e9tirables et les films d&#039;emballage, sont utilis\u00e9s dans de nombreuses applications, de l&#039;emballage \u00e0 la protection et au transport. Ces films doivent souvent conserver un certain niveau de transparence pour permettre la visibilit\u00e9 du contenu tout en offrant une protection efficace contre les \u00e9l\u00e9ments ext\u00e9rieurs.<\/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-220273626\" 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_1010193522\">\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=\"Compteur de brume et de transmission lumineuse\" 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_1010193522 {\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_1491122925\">\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-16050309\">\n\n\n\t<div id=\"col-718809642\" 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-4072097677\" class=\"text\">\n\t\t\n\n<h2 class=\"uppercase\">Le r\u00f4le de la brume et de la transmission de la lumi\u00e8re dans l&#039;emballage<\/h2>\n\t\t\n<style>\n#text-4072097677 {\n  color: rgb(253, 253, 253);\n}\n#text-4072097677 > * {\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-365985650\" 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-747142765\" class=\"text\">\n\t\t\n\n<p>Le voile et la transmission de la lumi\u00e8re ont un impact direct sur la clart\u00e9 et l&#039;apparence du film d&#039;emballage, ce qui est essentiel pour la perception du consommateur, en particulier dans les environnements d&#039;emballage alimentaire et de vente au d\u00e9tail. Des niveaux de voile inad\u00e9quats peuvent entra\u00eener un attrait visuel m\u00e9diocre, tandis qu&#039;une transmission inad\u00e9quate peut compromettre l&#039;efficacit\u00e9 de l&#039;emballage dans la protection des produits. Les tests garantissent que les films r\u00e9pondent aux sp\u00e9cifications requises en mati\u00e8re de clart\u00e9 optique et de transparence.<\/p>\n\t\t\n<style>\n#text-747142765 {\n  color: rgb(255, 255, 255);\n}\n#text-747142765 > * {\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_1491122925 {\n  padding-top: 60px;\n  padding-bottom: 60px;\n  min-height: 300px;\n  background-color: rgb(245, 245, 245);\n}\n#section_1491122925 .section-bg-overlay {\n  background-color: rgba(0,0,0,.5);\n}\n#section_1491122925 .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_1491122925 .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-1262974732\" class=\"text\">\n\t\t\n\n<h2>La transmittance et le trouble sont deux propri\u00e9t\u00e9s optiques tr\u00e8s importantes des mat\u00e9riaux transparents.<\/h2>\n\t\t\n<style>\n#text-1262974732 {\n  text-align: center;\n}\n<\/style>\n\t<\/div>\n\t\n<p style=\"text-align: center;\">La brume est \u00e9troitement li\u00e9e au flux lumineux diffus\u00e9 et transmis\u00a0; la transmittance est le pourcentage de flux lumineux traversant le milieu par rapport au flux lumineux incident total.<\/p>\n\t<section class=\"section\" id=\"section_258082032\">\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-333784438\">\n\n\n\t<div id=\"col-67435188\" 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>La brume caract\u00e9rise l&#039;\u00e9tat de turbidit\u00e9 et d&#039;irr\u00e9gularit\u00e9 dans les mat\u00e9riaux transparents ou translucides, et la transmittance indique la capacit\u00e9 d&#039;un mat\u00e9riau \u00e0 transmettre la lumi\u00e8re.<\/p>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-68138677\" 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>Le voile est le rapport entre le flux lumineux diffus\u00e9 et le flux lumineux transmis qui s&#039;\u00e9carte de la direction de la lumi\u00e8re incidente lorsque la lumi\u00e8re parall\u00e8le traverse un \u00e9chantillon de mat\u00e9riau, et est exprim\u00e9 en pourcentage. En g\u00e9n\u00e9ral, seul le flux lumineux diffus\u00e9 qui s&#039;\u00e9carte de la direction de la lumi\u00e8re incidente de plus de 2,5 degr\u00e9s est utilis\u00e9 pour calculer le voile.<\/p>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-1012662721\" 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>Transmission<\/strong> est la capacit\u00e9 de la lumi\u00e8re \u00e0 traverser le milieu d&#039;un objet mat\u00e9riel, et est le pourcentage du flux lumineux qui traverse le milieu mat\u00e9riel par rapport \u00e0 son flux lumineux incident.<\/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_258082032 {\n  padding-top: 60px;\n  padding-bottom: 60px;\n  min-height: 300px;\n}\n#section_258082032 .ux-shape-divider--top svg {\n  height: 150px;\n  --divider-top-width: 100%;\n}\n#section_258082032 .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_1855877176\">\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-555546796\">\n\n\n\t<div id=\"col-1779618472\" 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-1908977949\" class=\"text\">\n\t\t\n\n<h3>Comment la brume et la transmittance sont-elles calcul\u00e9es ?<\/h3>\n\t\t\n<style>\n#text-1908977949 {\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-209072851\">\n\n\n\t<div id=\"col-279006330\" 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;\">Pendant le test, lorsqu&#039;il n&#039;y a pas de lumi\u00e8re incidente, le flux lumineux re\u00e7u est de 0. Lorsqu&#039;il n&#039;y a pas d&#039;\u00e9chantillon, toute la lumi\u00e8re incidente passe \u00e0 travers et le flux lumineux re\u00e7u est de 100, ce qui est not\u00e9 T1. \u00c0 ce stade, la lumi\u00e8re parall\u00e8le est absorb\u00e9e par le pi\u00e8ge \u00e0 lumi\u00e8re et le flux lumineux re\u00e7u est le flux lumineux diffus\u00e9 de l&#039;instrument, T3. Ensuite, l&#039;\u00e9chantillon est plac\u00e9 et l&#039;instrument re\u00e7oit le flux lumineux transmis, qui est T2. Si la lumi\u00e8re parall\u00e8le est absorb\u00e9e par le pi\u00e8ge \u00e0 lumi\u00e8re, le flux lumineux re\u00e7u est la somme de l&#039;\u00e9chantillon et du flux lumineux diffus\u00e9 de l&#039;instrument, T4. Sur la base des valeurs mesur\u00e9es de T1, T2, T3 et T4, les valeurs de transmittance et de flou peuvent \u00eatre calcul\u00e9es.<\/p>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-1709530435\" 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;\">La transmittance Tt est calcul\u00e9e selon la formule suivante :<\/p>\n<p style=\"text-align: left;\"><strong>Tt(%)=T2\/T1*100<\/strong><\/p>\n<p style=\"text-align: left;\">La valeur de trouble H est calcul\u00e9e selon la formule suivante :<\/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-116553346\">\n\n\n\t<div id=\"col-1599638601\" 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-458570460\" 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>En r\u00e8gle g\u00e9n\u00e9rale, la transmittance et le voile ont une relation inverse. Les mat\u00e9riaux \u00e0 forte transmittance ont tendance \u00e0 avoir un voile faible, et vice versa. Cependant, la relation entre les deux n&#039;est pas toujours la m\u00eame et les r\u00e9sultats peuvent parfois \u00eatre oppos\u00e9s.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n\t\t\n<style>\n#text-458570460 {\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_1855877176 {\n  padding-top: 45px;\n  padding-bottom: 45px;\n  background-color: #273647;\n}\n@media (min-width:550px) {\n  #section_1855877176 {\n    padding-top: 65px;\n    padding-bottom: 65px;\n  }\n}\n@media (min-width:850px) {\n  #section_1855877176 {\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-3248453919\" class=\"text\">\n\t\t\n\n<h2>Normes directrices pour les tests de haze et de transmittance<\/h2>\n\t\t\n<style>\n#text-3248453919 {\n  text-align: center;\n}\n<\/style>\n\t<\/div>\n\t\n\t<section class=\"section\" id=\"section_1216004222\">\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-1000790870\">\n\n\n\t<div id=\"col-1362129311\" 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>Plusieurs normes internationales guident la mesure du trouble et de la transmittance, garantissant l&#039;exactitude et la coh\u00e9rence des proc\u00e9dures de test.<\/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-1203581949\">\n\n\n\t<div id=\"col-1454794464\" 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 M\u00e9thode d\u2019essai standard pour la transparence et la transmission lumineuse des plastiques transparents<\/h3>\n<div id=\"pdp-description\">\n<div><a href=\"https:\/\/www.astm.org\/d1003-21.html\" target=\"_blank\" rel=\"noopener\">ASTM D1003<\/a> Il s&#039;agit de la m\u00e9thode la plus couramment utilis\u00e9e pour mesurer le voile et la transmission de la lumi\u00e8re dans les plastiques transparents, y compris les films d&#039;emballage. Ce test utilise un appareil de mesure du voile pour mesurer le degr\u00e9 de diffusion de la lumi\u00e8re et le pourcentage de lumi\u00e8re transmise \u00e0 travers un \u00e9chantillon.<\/div>\n<\/div>\n<a class=\"button primary\"  >\n    <span>En savoir plus sur la norme ASTM D1003<\/span>\n  <\/a>\n\n\n<h3>ISO 13468 \u2013 Plastiques \u2014 D\u00e9termination de la transmission lumineuse totale des mat\u00e9riaux transparents<\/h3>\n<div id=\"pdp-description\">\n<div><a href=\"https:\/\/www.iso.org\/standard\/77312.html\" target=\"_blank\" rel=\"noopener\">ISO 13468<\/a> fournit une proc\u00e9dure d\u00e9taill\u00e9e pour tester la turbidit\u00e9 des films plastiques, en se concentrant sur des conditions de mesure pr\u00e9cises et un \u00e9quipement pour \u00e9valuer la quantit\u00e9 de lumi\u00e8re diffus\u00e9e \u00e0 travers le film.<\/div>\n<\/div>\n\n\t\t<\/div>\n\t<\/div>\n\t\n\t\n<a class=\"button primary\"  >\n    <span>En savoir plus sur la norme 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-1178234278\" 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 Plastiques \u2014 D\u00e9termination du trouble pour les mat\u00e9riaux transparents<\/h3>\n<p><a href=\"https:\/\/www.iso.org\/standard\/81840.html\" target=\"_blank\" rel=\"noopener\">ISO 14782<\/a> d\u00e9crit une m\u00e9thode de mesure du voile et de la transmission de la lumi\u00e8re des films plastiques. Elle sp\u00e9cifie l&#039;\u00e9quipement, la proc\u00e9dure et les conditions n\u00e9cessaires pour garantir des r\u00e9sultats pr\u00e9cis et reproductibles.<\/p>\n<a class=\"button primary\"  >\n    <span>En savoir plus sur la norme ISO 14782<\/span>\n  <\/a>\n\n\n<h3>ASTM D1044 \u2013<span style=\"font-size: 20.16px;\">M\u00e9thode d&#039;essai normalis\u00e9e pour la r\u00e9sistance des plastiques transparents \u00e0 l&#039;abrasion superficielle par l&#039;abraseur Taber<\/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;\">Bien que cela ne soit pas directement li\u00e9 \u00e0 la brume, <\/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;\"> est une norme cl\u00e9 pour tester la r\u00e9sistance \u00e0 l&#039;abrasion des films, ce qui peut avoir un impact sur la transmittance du film et sa clart\u00e9 globale pendant son utilisation.<\/span><\/div>\n<\/div>\n<a class=\"button primary\"  >\n    <span>En savoir plus sur la norme 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_1216004222 {\n  padding-top: 60px;\n  padding-bottom: 60px;\n  min-height: 300px;\n  background-color: rgb(245, 245, 245);\n}\n#section_1216004222 .ux-shape-divider--top svg {\n  height: 150px;\n  --divider-top-width: 100%;\n}\n#section_1216004222 .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-395142204\">\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-28184927\" 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>Comment se d\u00e9roule le test de transmission de la lumi\u00e8re et de la brume<\/strong><\/h2>\n\n              <\/div>\n           <\/div>\n                            \n<style>\n#text-box-28184927 {\n  width: 60%;\n}\n#text-box-28184927 .text-box-content {\n  font-size: 100%;\n}\n@media (min-width:550px) {\n  #text-box-28184927 {\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_1505952574\">\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=\"Testeur de transmission de la lumi\u00e8re et de la brume\" 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_1505952574 {\n  width: 44%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\n        <\/div>\n      <\/div>\n\n            \n<style>\n#banner-395142204 {\n  padding-top: 500px;\n}\n#banner-395142204 .overlay {\n  background-color: rgba(0, 0, 0, 0.31);\n}\n<\/style>\n  <\/div>\n\n\n\t<section class=\"section\" id=\"section_1838358556\">\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-1594547673\">\n\n\n\t<div id=\"col-949640637\" 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>Pr\u00e9sentation du test<\/h3>\n<p>Le <strong>Test de brume et de transmittance<\/strong> est g\u00e9n\u00e9ralement r\u00e9alis\u00e9e \u00e0 l&#039;aide de m\u00e9thodes de test standardis\u00e9es telles que <strong>ASTM D1003<\/strong>, <strong>ISO 14782<\/strong>, <strong>ISO 13468<\/strong>, et <strong>ASTM D1044<\/strong>Ces normes d\u00e9crivent les proc\u00e9dures de mesure des propri\u00e9t\u00e9s optiques des films transparents, y compris le trouble et la transmission de la lumi\u00e8re, qui sont essentiels pour d\u00e9terminer les performances du film dans des applications pratiques telles que l&#039;emballage, les affichages et d&#039;autres utilisations industrielles.<\/p>\n<div class=\"text-right\"><div class=\"is-divider divider clearfix\" style=\"max-width:100px;\"><\/div><\/div>\n\n\t<div id=\"text-3404469994\" class=\"text\">\n\t\t\n\n<h3>Proc\u00e9dure de test \u00e9tape par \u00e9tape<\/h3>\n\t\t\n<style>\n#text-3404469994 {\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-1599672000\">\n\n\n\t<div id=\"col-514036644\" 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-463042643\" class=\"text\">\n\t\t\n\n<p><span style=\"font-size: 140%;\">1. Pr\u00e9paration des \u00e9chantillons<\/span><\/p>\n<p><strong>S\u00e9lection d&#039;\u00e9chantillons<\/strong>: S\u00e9lectionnez un \u00e9chantillon de film repr\u00e9sentatif pour le test. Assurez-vous que le film est propre et exempt de salet\u00e9, de rayures ou d&#039;autres imperfections qui pourraient influencer la mesure.<\/p>\n<p><strong>Taille de l&#039;\u00e9chantillon<\/strong>:L&#039;\u00e9chantillon de film doit g\u00e9n\u00e9ralement \u00eatre suffisamment grand pour couvrir enti\u00e8rement l&#039;ouverture de test du d\u00e9tecteur de brouillard, g\u00e9n\u00e9ralement une zone circulaire d&#039;environ 50 mm ou plus de diam\u00e8tre.<\/p>\n\t\t\n<style>\n#text-463042643 {\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-1536885438\" 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-2501962296\" class=\"text\">\n\t\t\n\n<p><span style=\"font-size: 140%;\">2. Configuration des instruments<\/span><\/p>\n<p><strong>\u00c9talonnage du compteur de brume<\/strong>: L&#039;appareil de mesure de la brume doit \u00eatre \u00e9talonn\u00e9 conform\u00e9ment aux instructions du fabricant. L&#039;\u00e9talonnage garantit que l&#039;instrument fournit des mesures pr\u00e9cises. L&#039;\u00e9talonnage est g\u00e9n\u00e9ralement effectu\u00e9 avec un mat\u00e9riau standard certifi\u00e9 dont les valeurs de brume et de transmittance sont connues.<\/p>\n<p>Placez le film \u00e9chantillon entre la source lumineuse de l&#039;instrument et le d\u00e9tecteur. Le film doit \u00eatre positionn\u00e9 de mani\u00e8re \u00e0 ce que la lumi\u00e8re le traverse.<\/p>\n\t\t\n<style>\n#text-2501962296 {\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-1377489972\">\n\n\n\t<div id=\"col-1205469776\" 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-4179370272\" class=\"text\">\n\t\t\n\n<p><span style=\"font-size: 140%;\">3. R\u00e9glage des param\u00e8tres<\/span><\/p>\n<p><span class=\"fontstyle0\">Choisissez la norme de test, l&#039;\u00e9l\u00e9ment de test de brume, de transmission ou les deux, et la source lumineuse, telle que Lumi\u00e8re A, Lumi\u00e8re C ou Lumi\u00e8re D65.<\/span><\/p>\n\t\t\n<style>\n#text-4179370272 {\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-1925639541\" 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-1705628028\" class=\"text\">\n\t\t\n\n<p><span style=\"font-size: 140%;\">4. D\u00e9marrer le test<\/span><\/p>\n<p><span class=\"fontstyle0\">Mesurez un \u00e9chantillon standard comme r\u00e9f\u00e9rence, puis mesurez les \u00e9chantillons test\u00e9s. Le r\u00e9sultat du test s&#039;affiche \u00e0 l&#039;\u00e9cran et l&#039;utilisateur peut comparer les r\u00e9sultats.\u00a0<\/span><\/p>\n\t\t\n<style>\n#text-1705628028 {\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-949640637 > .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_1838358556 {\n  padding-top: 30px;\n  padding-bottom: 30px;\n}\n#section_1838358556 .ux-shape-divider--top svg {\n  height: 150px;\n  --divider-top-width: 100%;\n}\n#section_1838358556 .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-269004396\">\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-231459617\" 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-787559661\" class=\"text\">\n\t\t\n\n<h2 class=\"h-large uppercase\" style=\"text-align: right;\">Besoin de solutions de test de transmission de la lumi\u00e8re et de la brume\u00a0?<\/h2>\n<p>Assurez la qualit\u00e9 optique de vos films avec pr\u00e9cision et fiabilit\u00e9. Notre <strong>Solutions de test de transmission de la lumi\u00e8re et de la brume<\/strong> sont con\u00e7us pour r\u00e9pondre aux normes internationales. Que vous testiez <strong>films d&#039;emballage<\/strong>, <strong>films \u00e9tirables<\/strong>, ou <strong>autres mati\u00e8res plastiques<\/strong>, notre \u00e9quipement de test avanc\u00e9 fournit des r\u00e9sultats pr\u00e9cis pour les deux <strong>brume<\/strong> et <strong>transmittance<\/strong> mesures, vous aidant \u00e0 am\u00e9liorer le produit par<\/p>\n\t\t\n<style>\n#text-787559661 {\n  text-align: right;\n}\n<\/style>\n\t<\/div>\n\t\n<a class=\"button white is-outline\"  >\n    <span>V\u00e9rifiez le testeur de transmission de la lumi\u00e8re et de la brume<\/span>\n  <\/a>\n\n\n\n              <\/div>\n           <\/div>\n                            \n<style>\n#text-box-231459617 {\n  width: 60%;\n}\n#text-box-231459617 .text-box-content {\n  font-size: 100%;\n}\n@media (min-width:550px) {\n  #text-box-231459617 {\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_905043167\">\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=\"Mesure de la brume et de la transmission de la lumi\u00e8re\" 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_905043167 {\n  width: 39%;\n}\n<\/style>\n\t<\/div>\n\t\n\n\n        <\/div>\n      <\/div>\n\n            \n<style>\n#banner-269004396 {\n  padding-top: 500px;\n}\n#banner-269004396 .overlay {\n  background-color: rgba(0, 0, 0, 0.2);\n}\n<\/style>\n  <\/div>\n\n\n\t<section class=\"section\" id=\"section_119262070\">\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-390504995\">\n\n\n\t<div id=\"col-632806628\" 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>FAQ sur le test de transmission de la lumi\u00e8re et de la brume<\/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-21313246\">\n\n\n\t<div id=\"col-629645198\" 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>Quelle est la diff\u00e9rence entre la brume et la transmission lumineuse dans les films plastiques ?<\/h3>\n<p>Le voile d\u00e9signe la diffusion de la lumi\u00e8re lorsqu&#039;elle traverse un mat\u00e9riau, ce qui entra\u00eene une perte de clart\u00e9 et donne un aspect trouble. La transmission lumineuse, quant \u00e0 elle, mesure le pourcentage de lumi\u00e8re visible qui traverse le mat\u00e9riau sans se disperser. Alors que le voile quantifie la perte de clart\u00e9 ou de transparence, la transmission lumineuse \u00e9value la quantit\u00e9 de lumi\u00e8re qui peut r\u00e9ellement traverser le mat\u00e9riau, ce qui est important pour des applications telles que l&#039;emballage et les affichages visuels.<\/p>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-825540279\" 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>Quel est l&#039;impact du test de voile et de transmission lumineuse sur les mat\u00e9riaux d&#039;emballage ?<\/h3>\n<p>Pour les mat\u00e9riaux d&#039;emballage, notamment dans les secteurs agroalimentaire et pharmaceutique, la transparence et la transmission de la lumi\u00e8re sont essentielles. Des valeurs de flou \u00e9lev\u00e9es peuvent r\u00e9duire l&#039;attrait du produit en rayon en le faisant para\u00eetre trouble ou opaque, tandis qu&#039;une transmission lumineuse optimale garantit que les \u00e9tiquettes, les d\u00e9tails du produit ou le contenu de l&#039;emballage restent visibles. Le test aide les fabricants \u00e0 s&#039;assurer que leurs films r\u00e9pondent aux exigences esth\u00e9tiques et fonctionnelles en mati\u00e8re de clart\u00e9 et de transparence.<\/p>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-1472699371\" 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>Quel est le r\u00f4le du haze meter dans la r\u00e9alisation de ces tests ?<\/h3>\n<p>UN <strong>compteur de brume<\/strong> est utilis\u00e9 pour mesurer la quantit\u00e9 de lumi\u00e8re diffus\u00e9e traversant un film. Il fonctionne g\u00e9n\u00e9ralement en dirigeant un faisceau de lumi\u00e8re \u00e0 travers le mat\u00e9riau de l&#039;\u00e9chantillon et en utilisant des d\u00e9tecteurs pour mesurer \u00e0 la fois la lumi\u00e8re transmise et diffus\u00e9e. La diff\u00e9rence entre ces lectures permet de calculer les valeurs de flou et de transmittance. Cet instrument est essentiel pour fournir des r\u00e9sultats pr\u00e9cis, objectifs et reproductibles requis par les normes de test internationales.\u00a0<\/p>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-98907864\" 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>Comment le pourcentage de transmission lumineuse est-il calcul\u00e9 lors des tests ?<\/h3>\n<p>La transmission lumineuse est calcul\u00e9e comme le rapport entre le flux lumineux transmis \u00e0 travers le mat\u00e9riau et le flux lumineux incident. Elle est g\u00e9n\u00e9ralement exprim\u00e9e en pourcentage :<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=\"Formule de transmission lumineuse\" 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\" \/>Cette valeur indique la quantit\u00e9 de lumi\u00e8re (en termes de spectre visible) qui traverse le mat\u00e9riau, ce qui est crucial pour \u00e9valuer la transparence et la clart\u00e9 optique des films utilis\u00e9s dans diverses applications.<\/p>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\n<style>\n#row-21313246 > .col > .col-inner {\n  padding: 30px 30px 30px 30px;\n}\n<\/style>\n<\/div>\n<div class=\"row align-equal row-solid\"  id=\"row-956963816\">\n\n\n\t<div id=\"col-503926050\" 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>Les tests de voile et de transmission lumineuse peuvent-ils \u00eatre appliqu\u00e9s \u00e0 d\u2019autres mat\u00e9riaux que les films plastiques ?<\/h3>\n<p>Oui, les tests de transparence et de transmission lumineuse peuvent \u00eatre appliqu\u00e9s \u00e0 une vari\u00e9t\u00e9 de mat\u00e9riaux autres que les films plastiques, notamment le verre, les rev\u00eatements et les stratifi\u00e9s. Cependant, les m\u00e9thodes et \u00e9quipements de test sp\u00e9cifiques peuvent varier en fonction des propri\u00e9t\u00e9s du mat\u00e9riau. Par exemple, bien que la norme ASTM D1003 soit couramment utilis\u00e9e pour les films plastiques, des normes ou des modifications suppl\u00e9mentaires peuvent \u00eatre n\u00e9cessaires pour d&#039;autres mat\u00e9riaux afin de tenir compte des diff\u00e9rences de comportement de diffusion de la lumi\u00e8re ou des caract\u00e9ristiques de surface.<\/p>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\t<div id=\"col-936822817\" 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>Quelles normes sont utilis\u00e9es pour effectuer les tests de trouble et de transmittance ?<\/h3>\n<p>Les principales normes pour les tests de brume et de transmission lumineuse comprennent\u00a0:<\/p>\n<li>ASTM D1003 : M\u00e9thode d&#039;essai standard pour la transparence et la transmission lumineuse des plastiques transparents.<\/li>\n<li>ISO 14782 : Cette norme sp\u00e9cifie la m\u00e9thode de d\u00e9termination de la transmission lumineuse des films et feuilles en plastique.<\/li>\n<li>ASTM D1044 : fournit des directives pour d\u00e9terminer le voile et la clart\u00e9 des plastiques soumis \u00e0 l&#039;usure abrasive. Ces normes garantissent des tests coh\u00e9rents et r\u00e9p\u00e9tables et des donn\u00e9es pr\u00e9cises pour l&#039;\u00e9valuation des performances des mat\u00e9riaux.<\/li>\n\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\n\t\n\n\n<style>\n#row-956963816 > .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_119262070 {\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\" >Autres tests pour le film d&#039;emballage<\/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. Discover how these tests ensure clarity and transparency for optimal packaging and product protection.\" \/>\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\/fr\/haze-and-transmittance-test\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Complete Guide to Haze and Transmittance Test for Wrap Films\" \/>\n<meta property=\"og:description\" content=\"Explore the significance of Haze and Transmittance testing in wrap films. Understand how these tests ensure clarity, transparency, and quality in packaging materials like stretch and packaging films. 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