{"id":1866,"date":"2024-03-14T03:46:34","date_gmt":"2024-03-14T03:46:34","guid":{"rendered":"https:\/\/awtaproducttesting.swim.net.au\/news\/outdoor-textiles-resistance-to-uv-weathering-exposure-testing\/"},"modified":"2024-03-14T03:46:34","modified_gmt":"2024-03-14T03:46:34","slug":"outdoor-textiles-resistance-to-uv-weathering-exposure-testing","status":"publish","type":"news","link":"https:\/\/awtaproducttesting.com.au\/fr\/news\/outdoor-textiles-resistance-to-uv-weathering-exposure-testing\/","title":{"rendered":"Textiles d'ext\u00e9rieur : R\u00e9sistance aux UV - Essais d'exposition aux intemp\u00e9ries"},"content":{"rendered":"<p>Les tests les plus courants pour les tissus d'ext\u00e9rieur consistent \u00e0 examiner les intemp\u00e9ries et leurs effets sur la durabilit\u00e9 du produit. <br \/> Par exemple : Aspect - couleur, fissuration et d\u00e9collement.<\/p>\n<p><span style=\"font-size: 12pt;\"><strong>Partie 1 : R\u00e9sistance aux UV - Essais d'exposition aux intemp\u00e9ries<\/strong><\/span><\/p>\n<p>L'alt\u00e9ration artificielle consiste \u00e0 exposer les \u00e9chantillons \u00e0 une source de lumi\u00e8re UV artificielle dans une armoire o\u00f9 la temp\u00e9rature, l'humidit\u00e9 et l'eau pulv\u00e9ris\u00e9e sont contr\u00f4l\u00e9es. Le param\u00e8tre cl\u00e9 de tous les appareils de vieillissement acc\u00e9l\u00e9r\u00e9 est la source de lumi\u00e8re UV, qui doit id\u00e9alement simuler le rayonnement solaire.<\/p>\n<p>Il est important de noter qu'il n'existe pas de test \u201cinfaillible\u201d qui permette de pr\u00e9dire avec pr\u00e9cision les performances et la dur\u00e9e de vie d'un produit ou qui tienne compte de la grande diversit\u00e9 des conditions climatiques rencontr\u00e9es g\u00e9ographiquement. Comme le montre l'image ci-dessous, rien qu'en Australie, les niveaux d'UV varient d'un \u00c9tat \u00e0 l'autre et tout au long de l'ann\u00e9e.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"\/app\/images\/BOM_Heat_map.jpg\" alt=\"\" width=\"886\" height=\"576\" style=\"display: block; margin-left: auto; margin-right: auto;\" \/><\/p>\n<p style=\"text-align: center;\"><span style=\"color: #808080;\"><em>Source de l'image : Commonwealth d'Australie, BOM - 2012<\/em><\/span><\/p>\n<p>Les sources de lumi\u00e8re artificielle utilis\u00e9es en Australie pour \u00e9valuer la r\u00e9sistance aux UV sont la lampe \u00e0 arc au x\u00e9non combin\u00e9e \u00e0 un certain nombre de filtres diff\u00e9rents pour simuler diverses conditions d'exposition.<strong> (par exemple : ISO 4892.2, AATCC TM169, ASTM G155) <\/strong>et tube fluorescent - UVA et UVB<strong> (ISO 4892.3, ASTM G154).<\/strong><\/p>\n<p><span style=\"font-size: 12pt;\"><strong>Comment pouvons-nous vous aider ?<\/strong><\/span><\/p>\n<p>AWTA Product Testing peut fournir des tests d'exposition aux UV avec le Weatherometer, utilisant une lampe Xenon-Arc, ou le QUV, utilisant des lampes UV-A ou UV-B.  Des informations d\u00e9taill\u00e9es sur ces expositions, y compris certains cycles typiquement demand\u00e9s dans les m\u00e9thodes ASTM, sont pr\u00e9sent\u00e9es ci-dessous.<\/p>\n<p>Les technologues sont disponibles pour discuter avec vous de ces options, ainsi que d'autres m\u00e9thodes standard nationales et internationales, et peuvent vous fournir un devis d\u00e9taill\u00e9 pour les options que vous pr\u00e9f\u00e9rez.<\/p>\n<p>Les frais d'exposition aux essais indiqu\u00e9s comprennent l'acc\u00e8s \u00e0 l'ensemble de l'appareil pendant la p\u00e9riode d'exposition. Les \u00e9chantillons peuvent \u00eatre retir\u00e9s de l'appareil pour effectuer des essais de performance ou une \u00e9valuation de l'aspect, selon les besoins, pendant cette p\u00e9riode.  L'\u00e9valuation de l'aspect peut inclure des processus tels que le changement de couleur, le changement de brillance et la fissuration\/le pelage\/les changements de texture. Une redevance distincte peut \u00eatre factur\u00e9e pour ces types d'\u00e9valuation.<\/p>\n<p><span style=\"font-size: 12pt;\"><strong>Exposition aux UV \u00e0 l'aide d'un testeur Weatherometer (source lumineuse Xenon Arc)<\/strong><\/span><\/p>\n<p>L'appareil peut contenir jusqu'\u00e0 48 \u00e9chantillons (75 mm x 150 mm). Il est \u00e9galement possible d'exposer un nombre r\u00e9duit d'\u00e9chantillons plus grands. Les \u00e9chantillons sont expos\u00e9s \u00e0 des cycles r\u00e9p\u00e9titifs de lumi\u00e8re et d'humidit\u00e9 dans des conditions environnementales contr\u00f4l\u00e9es. L'humidit\u00e9 est g\u00e9n\u00e9ralement produite par la condensation de la vapeur d'eau sur l'\u00e9chantillon ou par la pulv\u00e9risation d'eau d\u00e9min\u00e9ralis\u00e9e\/d\u00e9ionis\u00e9e sur les \u00e9chantillons.<\/p>\n<p>La condition d'exposition peut \u00eatre modifi\u00e9e en s\u00e9lectionnant :<\/p>\n<ul>\n<li>Les filtres utilis\u00e9s sur la lampe au x\u00e9non,<\/li>\n<li>Le niveau d'irradiation de la lampe,<\/li>\n<li>Le type d'exposition \u00e0 l'humidit\u00e9,<\/li>\n<li>Le moment de l'exposition \u00e0 la lumi\u00e8re et \u00e0 l'humidit\u00e9,<\/li>\n<li>la temp\u00e9rature d'exposition \u00e0 la lumi\u00e8re<\/li>\n<li>la temp\u00e9rature d'exposition \u00e0 l'humidit\u00e9<\/li>\n<li>La dur\u00e9e d'un cycle lumi\u00e8re\/obscurit\u00e9.<\/li>\n<\/ul>\n<p>Certaines conditions d'exposition couramment utilis\u00e9es pour simuler les intemp\u00e9ries sont \u00e9num\u00e9r\u00e9es ci-dessous. (Ces exemples sont tir\u00e9s du tableau X3 de la norme ASTM G155).<\/p>\n<table border=\"1\" cellpadding=\"0\" cellspacing=\"0\">\n<tbody>\n<tr>\n<td style=\"vertical-align: top; text-align: center;\">\n<p><span style=\"font-size: 10pt;\"><strong>Cycle<\/strong><\/span><\/p>\n<\/td>\n<td style=\"vertical-align: top; text-align: center;\">\n<p><span style=\"font-size: 10pt;\"><strong>Filtre<\/strong><\/span><\/p>\n<\/td>\n<td style=\"vertical-align: top; text-align: center;\">\n<p><span style=\"font-size: 10pt;\"><strong>Rayonnement<\/strong><\/span><\/p>\n<\/td>\n<td style=\"vertical-align: top; text-align: center;\">\n<p><span style=\"font-size: 10pt;\"><strong>Longueur d'onde<\/strong><\/span><\/p>\n<\/td>\n<td style=\"vertical-align: top; text-align: center;\">\n<p><span style=\"font-size: 10pt;\"><strong>Cycle d'exposition<\/strong><\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"vertical-align: top; text-align: center;\">\n<p><span style=\"font-size: 10pt;\"><strong>1<\/strong><\/span><\/p>\n<\/td>\n<td style=\"vertical-align: top;\">\n<p><span style=\"font-size: 10pt;\">Lumi\u00e8re du jour<\/span><\/p>\n<\/td>\n<td style=\"vertical-align: top;\">\n<p><span style=\"font-size: 10pt;\">0,25 W\/m<sup>2<\/sup>.nm<\/span><\/p>\n<\/td>\n<td style=\"vertical-align: top;\">\n<p><span style=\"font-size: 10pt;\">340 nm<\/span><\/p>\n<\/td>\n<td style=\"vertical-align: top;\">\n<p><span style=\"font-size: 10pt;\">102 min lumi\u00e8re, 63\u00b0Ctemp\u00e9rature du panneau noir<\/span><\/p>\n<p><span style=\"font-size: 10pt;\">18 minutes de lumi\u00e8re et d'eau pulv\u00e9ris\u00e9e<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"vertical-align: top; text-align: center;\">\n<p><span style=\"font-size: 10pt;\"><strong>6<\/strong><\/span><\/p>\n<\/td>\n<td style=\"vertical-align: top;\">\n<p><span style=\"font-size: 10pt;\">Verre de fen\u00eatre<\/span><\/p>\n<\/td>\n<td style=\"vertical-align: top;\">\n<p><span style=\"font-size: 10pt;\">1,10 W\/m<sup>2<\/sup>.nm<\/span><\/p>\n<\/td>\n<td style=\"vertical-align: top;\">\n<p><span style=\"font-size: 10pt;\">420 nm<\/span><\/p>\n<\/td>\n<td style=\"vertical-align: top;\">\n<p><span style=\"font-size: 10pt;\">3,8 heures de lumi\u00e8re, 35% RH, 63\u00b0C temp\u00e9rature du panneau noir<\/span><\/p>\n<p><span style=\"font-size: 10pt;\">1,0 sombre, 90% RH, \u00e0 43\u00b0C temp\u00e9rature du panneau noir<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"vertical-align: top; text-align: center;\">\n<p><span style=\"font-size: 10pt;\"><strong>7<\/strong><\/span><\/p>\n<\/td>\n<td style=\"vertical-align: top;\">\n<p><span style=\"font-size: 10pt;\">UV \u00e9tendu<\/span><\/p>\n<\/td>\n<td style=\"vertical-align: top;\">\n<p><span style=\"font-size: 10pt;\">0,55 W\/m<sup>2<\/sup>.nm<\/span><\/p>\n<\/td>\n<td style=\"vertical-align: top;\">\n<p><span style=\"font-size: 10pt;\">340 nm<\/span><\/p>\n<\/td>\n<td style=\"vertical-align: top;\">\n<p><span style=\"font-size: 10pt;\">40 min lumi\u00e8re, 50% RH, 70\u00b0C Temp\u00e9rature du panneau noir<\/span><\/p>\n<p><span style=\"font-size: 10pt;\">20 min lumi\u00e8re, pulv\u00e9risation d'eau sur la face de l'\u00e9chantillon<\/span><\/p>\n<p><span style=\"font-size: 10pt;\">60 min lumi\u00e8re, 50% RH, 70\u00b0C Temp\u00e9rature du panneau noir<\/span><\/p>\n<p><span style=\"font-size: 10pt;\">60 min \u00e0 l'obscurit\u00e9, 95% HR, pulv\u00e9risation d'eau sur la face et le dos de l'\u00e9chantillon<\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"text-align: center;\"><strong>Tableau 1 : Source - ASTM International (Lien : <a href=\"https:\/\/www.astm.org\/g0155-21.html\"><\/a><a href=\"https:\/\/www.astm.org\/g0155-21.html\"><\/a><a href=\"https:\/\/www.astm.org\/g0155-21.html\">https:\/\/www.astm.org\/g0155-21.html<\/a>)<\/p>\n<p><\/strong><\/p>\n<p><span style=\"font-size: 12pt;\"><strong>Exposition \u00e0 la lumi\u00e8re UV \u00e0 l'aide d'un testeur QUV (source de lumi\u00e8re UVA ou UVB)<\/strong><\/span><\/p>\n<p>Le testeur QUV peut accueillir jusqu'\u00e0 48 \u00e9chantillons (75 mm x 150 mm).  Un nombre r\u00e9duit d'\u00e9chantillons plus grands peut \u00e9galement \u00eatre expos\u00e9.<br \/> Les \u00e9chantillons sont expos\u00e9s \u00e0 des cycles r\u00e9p\u00e9titifs de lumi\u00e8re et d'humidit\u00e9 dans des conditions environnementales contr\u00f4l\u00e9es.<br \/> L'humidit\u00e9 est g\u00e9n\u00e9ralement produite par la condensation de la vapeur d'eau sur l'\u00e9prouvette ou par la pulv\u00e9risation d'eau d\u00e9min\u00e9ralis\u00e9e\/d\u00e9ionis\u00e9e sur les \u00e9prouvettes.<\/p>\n<p>La condition d'exposition peut \u00eatre modifi\u00e9e en s\u00e9lectionnant :<\/p>\n<ul>\n<li>La lampe fluorescente utilis\u00e9e,<\/li>\n<li>Le niveau d'irradiation de la lampe,<\/li>\n<li>Le type d'exposition \u00e0 l'humidit\u00e9,<\/li>\n<li>Le moment de l'exposition \u00e0 la lumi\u00e8re et \u00e0 l'humidit\u00e9,<\/li>\n<li>La temp\u00e9rature d'exposition \u00e0 la lumi\u00e8re,<\/li>\n<li>la temp\u00e9rature d'exposition \u00e0 l'humidit\u00e9<\/li>\n<li>Le moment du cycle lumi\u00e8re\/obscurit\u00e9.<\/li>\n<\/ul>\n<p><span style=\"font-size: 12pt;\"><strong>Irradiance spectrale :<\/strong><\/span><\/p>\n<p>NOTE 1 - Les lampes fluorescentes UVA sont disponibles avec un choix de distributions spectrales de puissance qui varient de mani\u00e8re significative. Les plus courantes peuvent \u00eatre identifi\u00e9es comme UVA-340 et UVA-351. Ces nombres repr\u00e9sentent la longueur d'onde nominale caract\u00e9ristique (en nm) de l'\u00e9mission de pointe pour chacun de ces types de lampes. Les pics d'\u00e9mission r\u00e9els se situent respectivement \u00e0 343 et 350 nm.<\/p>\n<p><strong>Irradiance spectrale des lampes UVA-340 pour la lumi\u00e8re du jour UV :<\/strong><\/p>\n<p>NOTE 2 - La principale application des lampes UVA-340 est la simulation de la r\u00e9gion des longueurs d'onde UV courtes et moyennes de la lumi\u00e8re du jour.<\/p>\n<p><strong>Irradiance spectrale des lampes UVA-351 pour la lumi\u00e8re UV du jour derri\u00e8re une vitre :<\/strong><\/p>\n<p>NOTE 3 - La principale application des lampes UVA-351 est la simulation de la r\u00e9gion des longueurs d'onde UV courtes et moyennes de la lumi\u00e8re du jour qui a \u00e9t\u00e9 filtr\u00e9e \u00e0 travers le verre d'une fen\u00eatre.<\/p>\n<p><strong>Irradiance spectrale des lampes UVB-313 :<\/strong><\/p>\n<p>NOTE 4 - Les lampes fluorescentes UVB ont une distribution spectrale du rayonnement qui culmine pr\u00e8s de la ligne du mercure \u00e0 313 nm. Elles \u00e9mettent des quantit\u00e9s importantes de rayonnement en dessous de 300 nm, la longueur d'onde nominale du rayonnement solaire global qui peut entra\u00eener des processus de vieillissement qui ne se produisent pas \u00e0 l'ext\u00e9rieur. <br \/> Ces lampes peuvent ne pas refl\u00e9ter l'alt\u00e9ration r\u00e9elle en cours d'utilisation, mais elles peuvent fournir des donn\u00e9es comparatives entre les \u00e9chantillons.<\/p>\n<p>Certaines conditions d'exposition couramment utilis\u00e9es pour simuler les intemp\u00e9ries sont \u00e9num\u00e9r\u00e9es ci-dessous. (Ces exemples sont tir\u00e9s du tableau X2.1, ASTM G154).<\/p>\n<table border=\"1\" cellpadding=\"0\" cellspacing=\"0\">\n<tbody>\n<tr>\n<td style=\"vertical-align: top; text-align: center;\">\n<p><span style=\"font-size: 10pt;\"><strong>Cycle<\/strong><\/span><\/p>\n<\/td>\n<td style=\"vertical-align: top; text-align: center;\">\n<p><span style=\"font-size: 10pt;\"><strong>Filtre<\/strong><\/span><\/p>\n<\/td>\n<td style=\"vertical-align: top; text-align: center;\">\n<p><span style=\"font-size: 10pt;\"><strong>Rayonnement<\/strong><\/span><\/p>\n<\/td>\n<td style=\"vertical-align: top; text-align: center;\">\n<p><span style=\"font-size: 10pt;\"><strong>Longueur d'onde<\/strong><\/span><\/p>\n<\/td>\n<td style=\"vertical-align: top; text-align: center;\">\n<p><span style=\"font-size: 10pt;\"><strong>Cycle d'exposition<\/strong><\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"vertical-align: top; text-align: center;\">\n<p><span style=\"font-size: 10pt;\"><strong>1<\/strong><\/span><\/p>\n<\/td>\n<td style=\"vertical-align: top;\">\n<p><span style=\"font-size: 10pt;\">UVA-340<\/span><\/p>\n<\/td>\n<td style=\"vertical-align: top;\">\n<p><span style=\"font-size: 10pt;\">0,89 W\/m<sup>2<\/sup>.nm<\/span><\/p>\n<\/td>\n<td style=\"vertical-align: top;\">\n<p><span style=\"font-size: 10pt;\">340 nm<\/span><\/p>\n<\/td>\n<td style=\"vertical-align: top;\">\n<p><span style=\"font-size: 10pt;\">8 heures UV, 60\u00b0C Temp\u00e9rature du panneau noir<\/span><\/p>\n<p><span style=\"font-size: 10pt;\">4 heures de condensation, 50\u00b0C Temp\u00e9rature du panneau noir<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"vertical-align: top; text-align: center;\">\n<p><span style=\"font-size: 10pt;\"><strong>3<\/strong><\/span><\/p>\n<\/td>\n<td style=\"vertical-align: top;\">\n<p><span style=\"font-size: 10pt;\">UVB-313<\/span><\/p>\n<\/td>\n<td style=\"vertical-align: top;\">\n<p><span style=\"font-size: 10pt;\">0,49 W\/m<sup>2<\/sup>.nm<\/span><\/p>\n<\/td>\n<td style=\"vertical-align: top;\">\n<p><span style=\"font-size: 10pt;\">310 nm<\/span><\/p>\n<\/td>\n<td style=\"vertical-align: top;\">\n<p><span style=\"font-size: 10pt;\">8 heures UV, 70\u00b0C Temp\u00e9rature du panneau noir<\/span><\/p>\n<p><span style=\"font-size: 10pt;\">4 heures de condensation, 50\u00b0C Temp\u00e9rature du panneau noir<\/span><\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"vertical-align: top; text-align: center;\">\n<p><span style=\"font-size: 10pt;\"><strong>7<\/strong><\/span><\/p>\n<\/td>\n<td style=\"vertical-align: top;\">\n<p><span style=\"font-size: 10pt;\">UVA-340<\/span><\/p>\n<\/td>\n<td style=\"vertical-align: top;\">\n<p><span style=\"font-size: 10pt;\">1,55 W\/m<sup>2<\/sup>.nm<\/span><\/p>\n<\/td>\n<td style=\"vertical-align: top;\">\n<p><span style=\"font-size: 10pt;\">340 nm<\/span><\/p>\n<\/td>\n<td style=\"vertical-align: top;\">\n<p><span style=\"font-size: 10pt;\">8 heures UV, 70\u00b0C Temp\u00e9rature du panneau noir<\/span><\/p>\n<p><span style=\"font-size: 10pt;\">0,25 heure d'obscurit\u00e9, pulv\u00e9risation d'eau<\/span><\/p>\n<p><span style=\"font-size: 10pt;\">3,75 heures de condensation, 50\u00b0C Temp\u00e9rature du panneau noir<\/span><\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"text-align: center;\">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <strong>Tableau 2 : Source - ASTM International (Lien : <a href=\"https:\/\/www.astm.org\/g0154-23.html\"><\/a><a href=\"https:\/\/www.astm.org\/g0154-23.html\"><\/a><a href=\"https:\/\/www.astm.org\/g0154-23.html\">https:\/\/www.astm.org\/g0154-23.html<\/a>)<\/p>\n<p><\/strong><\/p>\n<p><strong>LIEN vers la fiche d'information :&nbsp;<a href=\"index.php?option=com_edocman&amp;task=document.download&amp;id=820&amp;Itemid=0\" class=\"edocmanxtdlink\">Partie 1 : R\u00e9sistance aux UV - Essais d'exposition aux intemp\u00e9ries<\/a><\/strong><\/p>\n<p><span style=\"text-decoration: underline; font-size: 12pt; color: #808080;\"><strong>Contactez nous :<\/strong><\/span><\/p>\n<p>Si vous souhaitez obtenir de plus amples informations sur&nbsp;<strong>R\u00e9sistance aux UV - Essais d'exposition aux intemp\u00e9ries<\/strong>&nbsp;ou nos services de test en g\u00e9n\u00e9ral - veuillez nous contacter comme indiqu\u00e9 ci-dessous :&nbsp;<br \/><strong>T\u00e9l\u00e9phone : +61 (03) 9371 2400 ou +61 (03) 9371 2400 OU&nbsp;&nbsp;&nbsp;<\/strong><strong>&nbsp;Courriel :<\/strong><strong><a href=\"mailto:producttesting@awta.com.au\"><\/a><a href=\"mailto:producttesting@awta.com.au\">producttesting@awta.com.au<\/a><\/strong><\/p>\n<p><strong>&nbsp;<\/strong><\/p>","protected":false},"excerpt":{"rendered":"<p>Les tests les plus courants pour les tissus d'ext\u00e9rieur portent sur les intemp\u00e9ries et leurs effets sur la durabilit\u00e9 du produit. Par exemple, l'aspect - couleur, craquelure et d\u00e9collement.. : Aspect - couleur, craquelures et d\u00e9collement...<\/p>","protected":false},"featured_media":0,"template":"","meta":{"_acf_changed":false},"class_list":["post-1866","news","type-news","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Outdoor Textiles: Resistance to UV - Weathering Exposure Testing - AWTA Product Testing<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/awtaproducttesting.com.au\/fr\/news\/outdoor-textiles-resistance-to-uv-weathering-exposure-testing\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Outdoor Textiles: Resistance to UV - Weathering Exposure Testing - AWTA Product Testing\" \/>\n<meta property=\"og:description\" content=\"The most common tests for outdoor fabrics is to look at weathering and its effects on the product durability. 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