{"id":113385,"date":"2024-10-09T15:04:49","date_gmt":"2024-10-09T13:04:49","guid":{"rendered":"https:\/\/step-lab.com\/?page_id=113385"},"modified":"2024-10-09T15:04:49","modified_gmt":"2024-10-09T13:04:49","slug":"astm-d3574","status":"publish","type":"page","link":"https:\/\/step-lab.com\/fr\/astm\/astm-d3574\/","title":{"rendered":"ASTM D3574"},"content":{"rendered":"\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-188zaf1-025aa8f0fc6b97c81b0d9509fbd8acf9\">\n.avia-section.av-188zaf1-025aa8f0fc6b97c81b0d9509fbd8acf9{\nbackground-repeat:no-repeat;\nbackground-image:url(https:\/\/step-lab.com\/wp-content\/uploads\/2023\/11\/background-for-standards.jpg);\nbackground-position:0% 0%;\nbackground-attachment:scroll;\n}\n.avia-section.av-188zaf1-025aa8f0fc6b97c81b0d9509fbd8acf9 .av-section-color-overlay{\nopacity:0.4;\nbackground-color:#0a0a0a;\n}\n<\/style>\n<div id='av_section_1'  class='avia-section av-188zaf1-025aa8f0fc6b97c81b0d9509fbd8acf9 main_color avia-section-default avia-no-border-styling  avia-builder-el-0  el_before_av_section  avia-builder-el-first  avia-full-stretch avia-bg-style-scroll av-section-color-overlay-active av-minimum-height av-minimum-height-custom av-height-custom  container_wrap fullsize'  data-section-bg-repeat='stretch' data-av_minimum_height_px='400'><div class=\"av-section-color-overlay-wrap\"><div class=\"av-section-color-overlay\"><\/div><div class='container av-section-cont-open' style='height:400px'><main  role=\"main\" itemprop=\"mainContentOfPage\"  class='template-page content  av-content-full alpha units'><div class='post-entry post-entry-type-page post-entry-113385'><div class='entry-content-wrapper clearfix'>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lp13y1n9-c4766d5d9a214d019a3b8ad78eae5ba3\">\n#top .av_textblock_section.av-lp13y1n9-c4766d5d9a214d019a3b8ad78eae5ba3 .avia_textblock{\ncolor:#ffffff;\n}\n<\/style>\n<section  class='av_textblock_section av-lp13y1n9-c4766d5d9a214d019a3b8ad78eae5ba3 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock av_inherit_color'  itemprop=\"text\" ><h1 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"ASTM_D3574\"><\/span>ASTM D3574<span class=\"ez-toc-section-end\"><\/span><\/h1>\n<\/div><\/section>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-mvr8u5-56fde4b1348f244539985c342761cdf4\">\n#top .hr.hr-invisible.av-mvr8u5-56fde4b1348f244539985c342761cdf4{\nheight:20px;\n}\n<\/style>\n<div  class='hr av-mvr8u5-56fde4b1348f244539985c342761cdf4 hr-invisible  avia-builder-el-2  el_after_av_textblock  el_before_av_textblock '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lp13ybw2-12fa0d5871d45d46a8b38b70b055a245\">\n#top .av_textblock_section.av-lp13ybw2-12fa0d5871d45d46a8b38b70b055a245 .avia_textblock{\ncolor:#ffffff;\n}\n<\/style>\n<section  class='av_textblock_section av-lp13ybw2-12fa0d5871d45d46a8b38b70b055a245 '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock av_inherit_color'  itemprop=\"text\" ><h2 style=\"text-align: center;\"><span class=\"ez-toc-section\" id=\"MATERIAUX_CELLULAIRES_SOUPLES_%E2%80%93_MOUSSES_DURETHANE_EN_PLAQUES_COLLEES_ET_MOULEES\"><\/span>MAT\u00c9RIAUX CELLULAIRES SOUPLES &#8211; MOUSSES D&rsquo;UR\u00c9THANE EN PLAQUES,<\/p>\n<p>COLL\u00c9ES ET MOUL\u00c9ES<br \/><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<\/div><\/section>\n<\/div><\/div><\/main><!-- close content main element --><\/div><\/div><\/div><div id='av_section_2'  class='avia-section av-av_section-7af9a1a620ce4f39c9b9e05e20762bd9 main_color avia-section-default avia-no-border-styling  avia-builder-el-4  el_after_av_section  el_before_av_one_fifth  avia-bg-style-scroll container_wrap fullsize'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-full alpha units'><div class='post-entry post-entry-type-page post-entry-113385'><div class='entry-content-wrapper clearfix'>\n<div  class='flex_column av-av_one_fifth-048119fdb636ea3d70edc0b975509c6c av_one_fifth  avia-builder-el-5  el_before_av_three_fifth  avia-builder-el-first  first flex_column_div  '     ><\/div><div  class='flex_column av-av_three_fifth-feecfcc73494c68bb0d1632d1d5c38ae av_three_fifth  avia-builder-el-6  el_after_av_one_fifth  el_before_av_one_fifth  flex_column_div  '     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lhhg43h5-bab404eb3fc2bd36a4ed6dbb07f0661f\">\n#top .av_textblock_section.av-lhhg43h5-bab404eb3fc2bd36a4ed6dbb07f0661f .avia_textblock{\nfont-size:18px;\n}\n<\/style>\n<section  class='av_textblock_section av-lhhg43h5-bab404eb3fc2bd36a4ed6dbb07f0661f '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><p>Pr\u00e9sentation de l&rsquo;<strong>ASTM D3574<\/strong> : Reconnue mondialement comme la r\u00e9f\u00e9rence pour l&rsquo;\u00e9valuation des mat\u00e9riaux cellulaires souples &#8211; mousses d&rsquo;ur\u00e9thane en plaques, coll\u00e9es et moul\u00e9es.<br \/> Chez STEP Lab, nous nous engageons \u00e0 fournir des solutions de pointe qui respectent cette norme, en garantissant des machines d&rsquo;essai et des accessoires de qualit\u00e9 sup\u00e9rieure.<\/p>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title ez-toc-toggle\" style=\"cursor:pointer\">PAGE CONTENT<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #a81010;color:#a81010\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #a81010;color:#a81010\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-1'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/step-lab.com\/fr\/astm\/astm-d3574\/#ASTM_D3574\" >ASTM D3574<\/a><ul class='ez-toc-list-level-2' ><li class='ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/step-lab.com\/fr\/astm\/astm-d3574\/#MATERIAUX_CELLULAIRES_SOUPLES_%E2%80%93_MOUSSES_DURETHANE_EN_PLAQUES_COLLEES_ET_MOULEES\" >MAT\u00c9RIAUX CELLULAIRES SOUPLES &#8211; MOUSSES D&rsquo;UR\u00c9THANE EN PLAQUES,\nCOLL\u00c9ES ET MOUL\u00c9ES<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/step-lab.com\/fr\/astm\/astm-d3574\/#ASTM_D3574_QUEST-CE_QUE_CEST\" >ASTM D3574 : QU&rsquo;EST-CE QUE C&rsquo;EST ?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/step-lab.com\/fr\/astm\/astm-d3574\/#ASTM_D3574_UTILISATION\" >ASTM D3574 : UTILISATION<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/step-lab.com\/fr\/astm\/astm-d3574\/#ASTM_D3574_QUE_MESURE-T-ELLE\" >ASTM D3574 : QUE MESURE-T-ELLE ?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/step-lab.com\/fr\/astm\/astm-d3574\/#ASTM_D3574_DIFFERENTS_TESTS\" >ASTM D3574 : DIFF\u00c9RENTS TESTS<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/step-lab.com\/fr\/astm\/astm-d3574\/#ASTM_D3574_ESSAIS_DYNAMIQUES\" >ASTM D3574 : ESSAIS DYNAMIQUES<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/step-lab.com\/fr\/astm\/astm-d3574\/#MACHINES_DESSAI_POUR_ASTM_D3574\" >MACHINES D&rsquo;ESSAI POUR ASTM D3574<\/a><\/li><\/ul><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n\n<h3><span class=\"ez-toc-section\" id=\"ASTM_D3574_QUEST-CE_QUE_CEST\"><\/span>ASTM D3574 : QU&rsquo;EST-CE QUE C&rsquo;EST ?<br \/><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>L&rsquo;ASTM D3574 est une norme ASTM qui fait r\u00e9f\u00e9rence aux m\u00e9thodes de test applicables aux produits cellulaires flexibles, coll\u00e9s et moul\u00e9s, connus sous le nom de <strong>mousses d&rsquo;ur\u00e9thane<\/strong>.<br \/> La mousse d&rsquo;ur\u00e9thane d\u00e9signe g\u00e9n\u00e9ralement un mat\u00e9riau cellulaire expans\u00e9 cr\u00e9\u00e9 par la r\u00e9action de compos\u00e9s d&rsquo;hydrog\u00e8ne actif, d&rsquo;eau et d&rsquo;isocyanates.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"ASTM_D3574_UTILISATION\"><\/span>ASTM D3574 : UTILISATION<br \/><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Ces mousses sont principalement utilis\u00e9es dans les secteurs de l&rsquo;<strong>ameublement<\/strong>, de la <strong>literie <\/strong> et de l&rsquo;<strong>automobile <\/strong> pour fabriquer des si\u00e8ges et des matelas qui am\u00e9liorent l&rsquo;ergonomie du consommateur et lui procurent un confort sup\u00e9rieur.<br \/> Le test ASTM D3574 est une m\u00e9thode efficace pour comparer diff\u00e9rents \u00e9chantillons de mousse, qui varient souvent en termes de composition chimique, de densit\u00e9 et de porosit\u00e9.<br \/> Cette norme est souvent associ\u00e9e \u00e0 des techniques avanc\u00e9es d&rsquo;analyse de la pression afin de reproduire avec pr\u00e9cision la charge subie par le corps humain.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"ASTM_D3574_QUE_MESURE-T-ELLE\"><\/span>ASTM D3574 : QUE MESURE-T-ELLE ?<br \/><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>L&rsquo;ASTM D3574 vise \u00e0 \u00e9valuer les caract\u00e9ristiques de <strong>compression<\/strong>, de <strong>traction<\/strong> et de <strong>r\u00e9sistance \u00e0 la d\u00e9chirure de la mousse<\/strong>.<br \/> Parmi ceux-ci, les essais de compression sont fr\u00e9quemment men\u00e9s car ils jouent un r\u00f4le important dans la d\u00e9termination des performances du produit.<\/p>\n<\/div><\/section><\/div><div  class='flex_column av-av_one_fifth-feecfcc73494c68bb0d1632d1d5c38ae av_one_fifth flex_column_div  '     ><\/div><div  class='flex_column av-av_one_third-048119fdb636ea3d70edc0b975509c6c av_one_third first flex_column_div  '     ><\/div><div  class='flex_column av-av_one_third-feecfcc73494c68bb0d1632d1d5c38ae av_one_third flex_column_div  '     ><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-ljprl77h-db6ab7f9f979f4859ccdc421bec2b501\">\n@keyframes av_boxShadowEffect_av-ljprl77h-db6ab7f9f979f4859ccdc421bec2b501 {\n0%   { box-shadow:  0 0 0 0 #d8d8d8; 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Essai de d\u00e9formation par indentation (IFD) *Les plus courants<\/li>\n<li>Essai B2 &#8211; Essai de longueur de jauge r\u00e9siduelle par indentation (IRGL)<\/li>\n<li>Essai C &#8211; Essai de d\u00e9viation de la force de compression *Les plus courants<\/li>\n<li>Essai D &#8211; Essai de compression en flexion constante<\/li>\n<li>Essai E &#8211; Essai de traction<\/li>\n<li>Essai F &#8211; Essai de r\u00e9sistance \u00e0 la d\u00e9chirure<\/li>\n<\/ul>\n<h3><span class=\"ez-toc-section\" id=\"ASTM_D3574_ESSAIS_DYNAMIQUES\"><\/span>ASTM D3574 : ESSAIS DYNAMIQUES<br \/><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Alors que les essais statiques offrent des informations pr\u00e9cieuses sur les propri\u00e9t\u00e9s initiales et les contraintes de la mousse, les <strong> essais dynamiques <\/strong> \u00e0 long terme sont essentiels pour permettre aux fabricants d&rsquo;\u00e9valuer la durabilit\u00e9 de leurs produits.<br \/> Les utilisateurs finaux s&rsquo;attendent \u00e0 ce que les produits en mousse conservent leurs caract\u00e9ristiques de soutien non seulement lors de la premi\u00e8re utilisation, mais aussi apr\u00e8s une utilisation r\u00e9p\u00e9t\u00e9e dans le temps. Les tests suivants peuvent \u00eatre effectu\u00e9s sur <a href=\"https:\/\/step-lab.com\/linear-motor-based-systems\/\">les syst\u00e8mes \u00e9lectrodynamiques STEP Lab utilisant des moteurs lin\u00e9aires <\/a> :<\/p>\n<ul>\n<li>Essai I2 &#8211; Essai de fatigue dynamique, cisaillement de rouleaux<\/li>\n<li>Essai I3 &#8211; Essai de fatigue dynamique, martelage \u00e0 force constante<\/li>\n<li>Essai I4 &#8211; Essai de fatigue dynamique, coussin de moquette<\/li>\n<li>Essai I5 &#8211; Essai de fatigue dynamique, pilonnage \u00e0 d\u00e9flexion constante<\/li>\n<\/ul>\n<\/div><\/section><\/div><div  class='flex_column av-av_one_fifth-feecfcc73494c68bb0d1632d1d5c38ae av_one_fifth flex_column_div  '     ><\/div><\/div><\/div><\/div><!-- close content main div --><\/div><\/div><div id='after_section_5'  class='main_color av_default_container_wrap container_wrap fullsize'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-full alpha units'><div 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decoding=\"async\" fetchpriority=\"high\" class='wp-image-95140 avia-img-lazy-loading-not-95140 avia_image ' src=\"https:\/\/step-lab.com\/wp-content\/uploads\/2023\/07\/foam_testing_machine.jpg\" alt='' title='foam_testing_machine'  height=\"1495\" width=\"997\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/step-lab.com\/wp-content\/uploads\/2023\/07\/foam_testing_machine.jpg 997w, https:\/\/step-lab.com\/wp-content\/uploads\/2023\/07\/foam_testing_machine-200x300.jpg 200w, https:\/\/step-lab.com\/wp-content\/uploads\/2023\/07\/foam_testing_machine-687x1030.jpg 687w, https:\/\/step-lab.com\/wp-content\/uploads\/2023\/07\/foam_testing_machine-768x1152.jpg 768w, https:\/\/step-lab.com\/wp-content\/uploads\/2023\/07\/foam_testing_machine-470x705.jpg 470w\" sizes=\"(max-width: 997px) 100vw, 997px\" \/><\/div><\/div><\/div><\/div><div  class='flex_column av-742w0fm-87b9a329fd1a8df71e41f772c5953174 av_two_fifth flex_column_div  '     ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-6n05yc2-85f52271b82a7e63b047c0ade7fc99fd\">\n#top .hr.hr-invisible.av-6n05yc2-85f52271b82a7e63b047c0ade7fc99fd{\nheight:80px;\n}\n<\/style>\n<div  class='hr av-6n05yc2-85f52271b82a7e63b047c0ade7fc99fd hr-invisible'><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div><br \/>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-lhhg4moj-16052842af2f6b59284250826eabb65f\">\n#top .av_textblock_section.av-lhhg4moj-16052842af2f6b59284250826eabb65f .avia_textblock{\nfont-size:16px;\n}\n<\/style>\n<section  class='av_textblock_section av-lhhg4moj-16052842af2f6b59284250826eabb65f '   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\" ><div class='avia_textblock'  itemprop=\"text\" ><h3><span class=\"ez-toc-section\" id=\"MACHINES_DESSAI_POUR_ASTM_D3574\"><\/span>MACHINES D&rsquo;ESSAI POUR ASTM D3574<br \/><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Notre <strong> machine d&rsquo;essais dynamiques et de fatigue EA<\/strong> est une solution polyvalente pour r\u00e9aliser des essais conformes \u00e0 la norme ASTM D3574.<\/p>\n<ul>\n<li style=\"list-style-type: none;\">\n<ul>\n<li>Charges dynamiques jusqu&rsquo;\u00e0 200kN<\/li>\n<li>Pas d&rsquo;entretien et installation facile<\/li>\n<li>Faible consommation d&rsquo;\u00e9nergie<\/li>\n<li>Test tr\u00e8s fiable<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/div><\/section><\/p>\n<p>[av_button label=\u00a0\u00bbEA &#8211; Syst\u00e8mes \u00e9lectrom\u00e9caniques<br&#093;\" icon_select=\"yes\" icon=\"ue832\" font=\"entypo-fontello\" link=\"page,77654\" link_target=\"\" size=\"small\" position=\"left\" label_display=\"\" title_attr=\"\" size-text=\"\" av-desktop-font-size-text=\"\" av-medium-font-size-text=\"\" av-small-font-size-text=\"\" av-mini-font-size-text=\"\" margin=\"\" margin_sync=\"true\" padding=\"\" padding_sync=\"true\" 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