{"id":32228,"date":"2026-08-28T14:52:08","date_gmt":"2026-08-28T18:52:08","guid":{"rendered":"https:\/\/www.elastoproxy.com\/?p=32228"},"modified":"2026-08-28T15:22:05","modified_gmt":"2026-08-28T19:22:05","slug":"la-deformation-remanente-a-la-compression-des-materiaux-en-caoutchouc","status":"publish","type":"post","link":"https:\/\/www.elastoproxy.com\/fr\/la-deformation-remanente-a-la-compression-des-materiaux-en-caoutchouc\/","title":{"rendered":"La d\u00e9formation r\u00e9manente \u00e0 la compression des mat\u00e9riaux en caoutchouc"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"32228\" class=\"elementor elementor-32228\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-6e4596a elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6e4596a\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-918efbf\" data-id=\"918efbf\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-d88dbc9 elementor-widget elementor-widget-text-editor\" data-id=\"d88dbc9\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>Les mat\u00e9riaux en caoutchouc se compriment ou s&rsquo;aplatissent lorsqu&rsquo;une force externe est appliqu\u00e9e. Cependant, cette compression n&rsquo;est pas intrins\u00e8quement probl\u00e9matique. En fait, la compression est essentielle pour l&rsquo;\u00e9tanch\u00e9it\u00e9 parce que le caoutchouc comble les espaces entre les surfaces d&rsquo;accouplement, y compris les petites discontinuit\u00e9s. Le vrai probl\u00e8me est la compression permanente, un ph\u00e9nom\u00e8ne appel\u00e9 la d\u00e9formation r\u00e9manente \u00e0 la compression.<\/p><p>Lorsque le caoutchouc ne retrouve pas son \u00e9paisseur d&rsquo;origine apr\u00e8s la compression, sa capacit\u00e9 \u00e0 sceller va s&rsquo;effondrer. C&rsquo;est pourquoi comprendre la d\u00e9formation r\u00e9manente \u00e0 la compression est crucial si vous \u00eates un ing\u00e9nieur qui compare des mat\u00e9riaux en caoutchouc. Cet article d&rsquo;Elasto Proxy examine les d\u00e9formations r\u00e9manentes \u00e0 la compression, et explique pourquoi elles sont importantes. Il explore aussi les facteurs qui l&rsquo;influencent et inclut quelques exemples pratiques.<\/p><p>Continuez \u00e0 lire pour en savoir davantage et <a href=\"https:\/\/www.elastoproxy.com\/contact-us\/\">contactez Elasto Proxy<\/a> pour des solutions d&rsquo;\u00e9tanch\u00e9it\u00e9 industrielle. Nous sommes un fabricant et distributeur de caoutchouc qui offre des services \u00e0 valeur ajout\u00e9e comme des revues de conception et de l&rsquo;aide au choix des mat\u00e9riaux.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-89b7087 elementor-widget elementor-widget-image\" data-id=\"89b7087\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/www.elastoproxy.com\/wp-content\/uploads\/2026\/08\/Compression_Set_Flat_Gasket-1-1024x683.png\" class=\"attachment-large size-large wp-image-32204\" alt=\"compression set | d\u00e9formation r\u00e9manente \u00e0 la compression\" srcset=\"https:\/\/www.elastoproxy.com\/wp-content\/uploads\/2026\/08\/Compression_Set_Flat_Gasket-1-1024x683.png 1024w, https:\/\/www.elastoproxy.com\/wp-content\/uploads\/2026\/08\/Compression_Set_Flat_Gasket-1-300x200.png 300w, https:\/\/www.elastoproxy.com\/wp-content\/uploads\/2026\/08\/Compression_Set_Flat_Gasket-1-768x512.png 768w, https:\/\/www.elastoproxy.com\/wp-content\/uploads\/2026\/08\/Compression_Set_Flat_Gasket-1.png 1536w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-f858a82 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"f858a82\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-4186185\" data-id=\"4186185\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-cd33123 elementor-widget elementor-widget-text-editor\" data-id=\"cd33123\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2>Qu&rsquo;est-ce que la d\u00e9formation r\u00e9manente \u00e0 la compression ?<\/h2><p>La d\u00e9formation r\u00e9manente \u00e0 la compression est la d\u00e9formation permanente qui reste dans un mat\u00e9riau en caoutchouc apr\u00e8s qu&rsquo;il a \u00e9t\u00e9 comprim\u00e9 pendant un certain temps dans des conditions contr\u00f4l\u00e9es. C&rsquo;est g\u00e9n\u00e9ralement exprim\u00e9 en pourcentage de l&rsquo;\u00e9paisseur d&rsquo;origine.<\/p><p>Pour les ing\u00e9nieurs, la d\u00e9formation r\u00e9manente \u00e0 la compression est d\u00e9finie comme suit :<\/p><p><strong>La d\u00e9formation r\u00e9manente \u00e0 la compression (%) = t0 \u2013 <em>tr<\/em> \/ <em>t0<\/em> x 100.<\/strong><\/p><p>O\u00f9 :<\/p><ul><li><em><strong>t0<\/strong> <\/em>= \u00e9paisseur d&rsquo;origine;<\/li><li><em><strong>TR<\/strong><\/em> = \u00e9paisseur apr\u00e8s la p\u00e9riode de r\u00e9cup\u00e9ration.<\/li><\/ul><p>Qu&rsquo;est-ce que cela signifie lorsqu&rsquo;un fabricant de joints parle d&rsquo;un r\u00e9glage \u00e0 faible ou haute compression ?<\/p><ul><li><strong>Un r\u00e9glage \u00e0 faible compression<\/strong> signifie que le caoutchouc revient presqu\u2019\u00e0 son \u00e9paisseur d&rsquo;origine.<\/li><li><strong>Le r\u00e9glage \u00e0 haute compression<\/strong> signifie que le caoutchouc reste comprim\u00e9 en permanence.<\/li><\/ul><p>Parfois, l&rsquo;expression \u201cla bonne d\u00e9formation r\u00e9manente \u00e0 la compression\u201d est utilis\u00e9e au lieu de \u201cla faible d\u00e9formation r\u00e9manente \u00e0 la compression \u201c, mais le sens reste le m\u00eame.<\/p><h2>Pourquoi la d\u00e9formation r\u00e9manente \u00e0 la compression est-elle si importante ?<\/h2><p>Les pi\u00e8ces en caoutchouc d\u00e9pendent de la r\u00e9cup\u00e9ration \u00e9lastique \u2013 c&rsquo;est-\u00e0-dire la capacit\u00e9 d&rsquo;un mat\u00e9riau \u00e0 retrouver sa forme d&rsquo;origine apr\u00e8s le retrait d&rsquo;une charge (g\u00e9n\u00e9ralement la compression).<\/p><ul><li><strong>Les joints<\/strong> doivent se rebondir pour maintenir la pression d&rsquo;\u00e9tanch\u00e9it\u00e9.<\/li><li><strong>Les joints toriques<\/strong> doivent r\u00e9cup\u00e9rer pour combler les espaces et maintenir la contrainte de contact.<\/li><li><strong>Les supports de vibration<\/strong> doivent revenir \u00e0 leur hauteur initiale pour isoler les vibrations.<\/li><li><strong>Les coussinets et les coussin<\/strong>s doivent rebondir pour \u00e9viter de toucher le fond.<\/li><\/ul><p>Si un mat\u00e9riau re\u00e7oit une d\u00e9formation r\u00e9manente \u00e0 la compression \u00e9lev\u00e9e, il peut perdre sa capacit\u00e9 \u00e0 accomplir ces fonctions.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-6be5852 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6be5852\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-2f6a787\" data-id=\"2f6a787\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-75c6e2c elementor-widget elementor-widget-image\" data-id=\"75c6e2c\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/www.elastoproxy.com\/wp-content\/uploads\/2026\/08\/Low-vs-High-Compression-Set-1024x683.png\" class=\"attachment-large size-large wp-image-32206\" alt=\"low vs. high compession set\" srcset=\"https:\/\/www.elastoproxy.com\/wp-content\/uploads\/2026\/08\/Low-vs-High-Compression-Set-1024x683.png 1024w, https:\/\/www.elastoproxy.com\/wp-content\/uploads\/2026\/08\/Low-vs-High-Compression-Set-300x200.png 300w, https:\/\/www.elastoproxy.com\/wp-content\/uploads\/2026\/08\/Low-vs-High-Compression-Set-768x512.png 768w, https:\/\/www.elastoproxy.com\/wp-content\/uploads\/2026\/08\/Low-vs-High-Compression-Set.png 1536w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-8e4d483 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"8e4d483\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-1449ca6\" data-id=\"1449ca6\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-9d0db92 elementor-widget elementor-widget-text-editor\" data-id=\"9d0db92\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2>Tous les caoutchoucs compriment, mais la d\u00e9formation r\u00e9manente \u00e0 la compression pose un probl\u00e8me.<\/h2><p>Le caoutchouc est utilis\u00e9 pour l&rsquo;\u00e9tanch\u00e9it\u00e9, l&rsquo;absorption d&rsquo;\u00e9nergie et l&rsquo;isolation des vibrations parce que (contrairement au m\u00e9tal) il se comprime facilement sous charge. Concr\u00e8tement, la compression permet aux :<\/p><ul><li><strong>Sceaux et joints toriques<\/strong> de s&rsquo;adapter aux irr\u00e9gularit\u00e9s de surface.<\/li><li><strong>Supports de vibration<\/strong> de se d\u00e9former sous charge.<\/li><li><strong>Coussinets et coussins<\/strong> d\u2019absorber l&rsquo;\u00e9nergie.<\/li><\/ul><p>Quel est le probl\u00e8me avec la compression alors ? Si un caoutchouc ne r\u00e9cup\u00e8re pas apr\u00e8s le retrait d&rsquo;une charge, cette compression permanente entra\u00eene des probl\u00e8mes comme ceux-ci :<\/p><ul><li><strong>La perte de force d&rsquo;\u00e9tanch\u00e9it\u00e9<\/strong> cause des fuites.<\/li><li><strong>Une isolation des vibrations r\u00e9duite<\/strong> cause un bruit accru et une usure accrue.<\/li><li><strong>La perte de stabilit\u00e9 dimensionnelle<\/strong> cause un d\u00e9salignement.<\/li><li><strong>Une d\u00e9faillance pr\u00e9matur\u00e9e<\/strong> cause des temps d&rsquo;arr\u00eat.<\/li><\/ul><p>Consid\u00e9rez les exemples suivants :<\/p><ul><li>Un joint pourrait ne pas sceller apr\u00e8s avoir serr\u00e9 les boulons, ce qui cause des fuites.<\/li><li>Un support de vibration peut s&rsquo;affaisser, ce qui modifie l&rsquo;alignement des machines.\u00a0<\/li><\/ul><p>C&rsquo;est pourquoi la d\u00e9formation r\u00e9manente \u00e0 la compression est une mesure de la fiabilit\u00e9 \u00e0 long terme plut\u00f4t qu&rsquo;une simple performance initiale.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-a5548a8 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"a5548a8\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-0d31261\" data-id=\"0d31261\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-e7d02d2 elementor-widget elementor-widget-text-editor\" data-id=\"e7d02d2\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2>Comment la d\u00e9formation r\u00e9manente \u00e0 la compression est-elle mesur\u00e9e ?<\/h2><p>La d\u00e9formation r\u00e9manente \u00e0 la compression est g\u00e9n\u00e9ralement mesur\u00e9e selon la m\u00e9thode ASTM D395 B.<\/p><p>Le test comprend :<\/p><ol><li>Comprimer un \u00e9chantillon en caoutchouc \u00e0 un pourcentage d\u00e9fini (g\u00e9n\u00e9ralement 25%).<\/li><li>Le maintenir \u00e0 une temp\u00e9rature contr\u00f4l\u00e9e pendant une dur\u00e9e d\u00e9termin\u00e9e (souvent de 22 \u00e0 70 heures).<\/li><li>Rel\u00e2cher la charge et permettre la r\u00e9cup\u00e9ration pendant 30 minutes.<\/li><li>Mesurer la d\u00e9formation restante.<\/li><\/ol><p>Cette m\u00e9thode standardis\u00e9e permet aux ing\u00e9nieurs de comparer diff\u00e9rents mat\u00e9riaux de mani\u00e8re coh\u00e9rente.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-2b7a9b7 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"2b7a9b7\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-487c66c\" data-id=\"487c66c\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-e15d030 elementor-widget elementor-widget-image\" data-id=\"e15d030\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1024\" height=\"646\" src=\"https:\/\/www.elastoproxy.com\/wp-content\/uploads\/2026\/08\/Compression-Set-Testing-ASTM-D395B-1024x646.jpg\" class=\"attachment-large size-large wp-image-32212\" alt=\"Compression Set Testing\" srcset=\"https:\/\/www.elastoproxy.com\/wp-content\/uploads\/2026\/08\/Compression-Set-Testing-ASTM-D395B-1024x646.jpg 1024w, https:\/\/www.elastoproxy.com\/wp-content\/uploads\/2026\/08\/Compression-Set-Testing-ASTM-D395B-300x189.jpg 300w, https:\/\/www.elastoproxy.com\/wp-content\/uploads\/2026\/08\/Compression-Set-Testing-ASTM-D395B-768x485.jpg 768w, https:\/\/www.elastoproxy.com\/wp-content\/uploads\/2026\/08\/Compression-Set-Testing-ASTM-D395B.jpg 1293w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-7dd7f35 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7dd7f35\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-13964b6\" data-id=\"13964b6\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-6f322a2 elementor-widget elementor-widget-text-editor\" data-id=\"6f322a2\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2>Facteurs qui influencent la d\u00e9formation r\u00e9manente \u00e0 la compression :<\/h2><p>La d\u00e9formation r\u00e9manente \u00e0 la compression est affect\u00e9e par la temp\u00e9rature, le type de mat\u00e9riau, ainsi que la dur\u00e9e et la quantit\u00e9 de compression.<\/p><h3>Temp\u00e9rature<\/h3><p>Les temp\u00e9ratures \u00e9lev\u00e9es et basses peuvent toutes les deux influencer la d\u00e9formation r\u00e9manente \u00e0 la compression.<\/p><ul><li><strong>Les temp\u00e9ratures \u00e9lev\u00e9es<\/strong> augmentent le r\u00e9glage de compression. \u00c0 mesure que la temp\u00e9rature monte, le caoutchouc perd sa capacit\u00e9 de rebondir.<\/li><li><strong>Les basses temp\u00e9ratures<\/strong> font durcir le caoutchouc, ce qui ralentit ou rend la r\u00e9cup\u00e9ration incompl\u00e8te. Cependant, certains \u00e9lastom\u00e8res restent plus flexibles dans le froid.<\/li><\/ul><h3>Type de mat\u00e9riau<\/h3><p>Diff\u00e9rents mat\u00e9riaux en caoutchouc ont des caract\u00e9ristiques de compression diff\u00e9rentes. Par exemple :<\/p><ul><li><strong>Le silicone a un excellent<\/strong> r\u00e9glage de compression et maintient son \u00e9lasticit\u00e9 sur une large plage de temp\u00e9ratures, incluant une chaleur plus \u00e9lev\u00e9e que celle que d&rsquo;autres \u00e9lastom\u00e8res courants peuvent supporter.<\/li><li>L&rsquo;EPDM a une bonne d\u00e9formation r\u00e9manente \u00e0 la compression et est couramment utilis\u00e9 dans des applications o\u00f9 il y a de l&rsquo;eau, des intemp\u00e9ries ou du soleil.<\/li><li>Le nitrile (NBR) a un r\u00e9glage de <strong>compression mod\u00e9r\u00e9<\/strong>. Il est r\u00e9sistant \u00e0 l&rsquo;huile, mais pas id\u00e9al pour l&rsquo;\u00e9tanch\u00e9it\u00e9 \u00e0 haute temp\u00e9rature ou statique en compression \u00e0 long terme.<\/li><li><strong>Le n\u00e9opr\u00e8ne<\/strong> a un<strong> effet de compression mod\u00e9r\u00e9 \u00e0 \u00e9lev\u00e9<\/strong>. C&rsquo;est un bon caoutchouc polyvalent, mais il n&rsquo;est pas recommand\u00e9 pour les applications d&rsquo;\u00e9tanch\u00e9it\u00e9 critiques.<\/li><li><strong>Le polyur\u00e9thane<\/strong> subit <strong>une forte<\/strong> compression sous charges statiques. C&rsquo;est r\u00e9sistant \u00e0 l&rsquo;abrasion et id\u00e9al pour l&rsquo;\u00e9tanch\u00e9it\u00e9 dynamique.<\/li><\/ul><p>N&rsquo;oubliez pas que la plupart des mat\u00e9riaux en caoutchouc contiennent beaucoup d&rsquo;ingr\u00e9dients. Parfois, ces compos\u00e9s contiennent des agents de remplissage et des plastifiants qui influencent la compression.<\/p><ul><li><strong>Agents de remplissage :<\/strong> Les compos\u00e9s contenant plus de charges sont plus rigides. Comme ils pourraient ne pas rebondir, il y a un risque \u00e9lev\u00e9 de compression permanente.<\/li><li><strong>Plastifiants :<\/strong> Les compos\u00e9s contenant des plastifiants sont plus mous et plus flexibles. Cependant, cette douceur peut augmenter le risque de compression permanente avec le temps.<\/li><\/ul><h3>Dur\u00e9e et quantit\u00e9 de compression<\/h3><p>La dur\u00e9e et la quantit\u00e9 de compression sont aussi des facteurs-cl\u00e9s.<\/p><ul><li><strong>Des temps de compression plus longs<\/strong> augmentent les d\u00e9formations r\u00e9manentes \u00e0 la compression. Par exemple, un joint de fen\u00eatre comprim\u00e9 pendant 5 ans prendra une d\u00e9formation r\u00e9manente \u00e0 la compression plus longue qu&rsquo;un joint comprim\u00e9 pendant 5 heures.<\/li><li><strong>Des pourcentages de compression plus \u00e9lev\u00e9s<\/strong> (par exemple, 40\u201350%) augmentent la d\u00e9formation r\u00e9manente \u00e0 la compression. Par exemple, un joint de porte comprim\u00e9 \u00e0 la moiti\u00e9 de sa taille initiale peut ne pas rebondir.<\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-0d6f186 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"0d6f186\" data-element_type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-7306301\" data-id=\"7306301\" data-element_type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-5104742 elementor-widget elementor-widget-image\" data-id=\"5104742\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"683\" src=\"https:\/\/www.elastoproxy.com\/wp-content\/uploads\/2026\/08\/Compression-Set-O-Ring-1-1024x683.png\" class=\"attachment-large size-large wp-image-32202\" alt=\"\" srcset=\"https:\/\/www.elastoproxy.com\/wp-content\/uploads\/2026\/08\/Compression-Set-O-Ring-1-1024x683.png 1024w, https:\/\/www.elastoproxy.com\/wp-content\/uploads\/2026\/08\/Compression-Set-O-Ring-1-300x200.png 300w, https:\/\/www.elastoproxy.com\/wp-content\/uploads\/2026\/08\/Compression-Set-O-Ring-1-768x512.png 768w, https:\/\/www.elastoproxy.com\/wp-content\/uploads\/2026\/08\/Compression-Set-O-Ring-1.png 1536w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-36d73db elementor-widget elementor-widget-text-editor\" data-id=\"36d73db\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2>Exemples pratiques utilisant des mat\u00e9riaux en caoutchouc courants<\/h2><p>La d\u00e9formation r\u00e9manente \u00e0 la compression est un facteur important \u00e0 consid\u00e9rer lors du choix du mat\u00e9riau, mais il en va de m\u00eame pour les propri\u00e9t\u00e9s du mat\u00e9riau telles que la r\u00e9sistance \u00e0 haute temp\u00e9rature, le contact avec l&rsquo;huile, l&rsquo;exposition aux intemp\u00e9ries et le montage statique sous charges lourdes. Consid\u00e9rons les exemples suivants :<\/p><h3><strong>Joint \u00e0 haute temp\u00e9rature dans un four industriel<\/strong><\/h3><ul><li>Le silicone est id\u00e9al parce qu&rsquo;il a une faible compression r\u00e9gl\u00e9e \u00e0 200\u00b0C.<\/li><li>L&rsquo;EPDM c subirait une d\u00e9formation r\u00e9manente \u00e0 la compression importante.<\/li><li>Le nitrile et le n\u00e9opr\u00e8ne \u00e9choueraient rapidement.<\/li><\/ul><h3><strong>Joint de contact d&rsquo;huile dans un syst\u00e8me hydraulique<\/strong><\/h3><ul><li>Le nitrile est pr\u00e9f\u00e9r\u00e9 pour sa r\u00e9sistance \u00e0 l&rsquo;huile.<\/li><li>Le silicone gonflerait et c\u00e9derait.<\/li><li>La d\u00e9formation r\u00e9manente \u00e0 la compression du nitrile est acceptable parce que les temp\u00e9ratures sont mod\u00e9r\u00e9es.<\/li><\/ul><h3>Sceau ext\u00e9rieur contre les intemp\u00e9ries<\/h3><ul><li>L&rsquo;EPDM est id\u00e9al parce qu&rsquo;il r\u00e9siste aux intemp\u00e9ries et offre un bon r\u00e9glage de compression.<\/li><li>Le n\u00e9opr\u00e8ne est acceptable mais moins durable.<\/li><li>Le silicone est excellent mais plus cher.<\/li><\/ul><h3><strong>Montage statique sous forte charge<\/strong><\/h3><ul><li>Le polyur\u00e9thane peut r\u00e9sister \u00e0 une forte compression et s&rsquo;affaisser avec le temps.<\/li><li>L&rsquo;EPDM ou le nitrile peuvent mieux fonctionner selon la temp\u00e9rature.<\/li><\/ul><h2>Choisissez la fabrication de joints \u00e0 valeur ajout\u00e9e.<\/h2><p>La d\u00e9formation r\u00e9manente \u00e0 la compression est l&rsquo;une des propri\u00e9t\u00e9s les plus importantes des mat\u00e9riaux en caoutchouc, notamment pour l&rsquo;\u00e9tanch\u00e9it\u00e9, l&rsquo;isolation des vibrations et la stabilit\u00e9 dimensionnelle \u00e0 long terme. Bien que tout le caoutchouc se comprime, la compression permanente est le vrai probl\u00e8me car elle peut entra\u00eener des fuites, des affaissements, une perte d&rsquo;isolation des vibrations et une d\u00e9faillance pr\u00e9matur\u00e9e du joint.<\/p><p>Elasto Proxy peut vous aider \u00e0 choisir le mat\u00e9riau en caoutchouc selon sa d\u00e9formation r\u00e9manente \u00e0 la compression, et nous offrons \u00e9galement des revues de conception. Si vous ing\u00e9niez des pi\u00e8ces en caoutchouc et si vous souhaitez vous assurer que votre conception tient compte de ce param\u00e8tre critique, nous pouvons vous aider.<\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-e21bbff elementor-widget elementor-widget-button\" data-id=\"e21bbff\" data-element_type=\"widget\" data-widget_type=\"button.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<div class=\"elementor-button-wrapper\">\n\t\t\t\t\t<a class=\"elementor-button elementor-button-link elementor-size-sm\" href=\"https:\/\/www.elastoproxy.com\/contact-us\/\">\n\t\t\t\t\t\t<span class=\"elementor-button-content-wrapper\">\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-button-text\">Contactez Elasto Proxy<\/span>\n\t\t\t\t\t<\/span>\n\t\t\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>Apprenez-en plus sur la d\u00e9formation r\u00e9manente \u00e0 la compression des mat\u00e9riaux en caoutchouc, pourquoi c&rsquo;est important, les facteurs qui l&rsquo;influencent, ainsi que quelques exemples pratiques.<\/p>\n","protected":false},"author":20,"featured_media":32204,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"ocean_post_layout":"","ocean_both_sidebars_style":"","ocean_both_sidebars_content_width":0,"ocean_both_sidebars_sidebars_width":0,"ocean_sidebar":"","ocean_second_sidebar":"","ocean_disable_margins":"enable","ocean_add_body_class":"","ocean_shortcode_before_top_bar":"","ocean_shortcode_after_top_bar":"","ocean_shortcode_before_header":"","ocean_shortcode_after_header":"","ocean_has_shortcode":"","ocean_shortcode_after_title":"","ocean_shortcode_before_footer_widgets":"","ocean_shortcode_after_footer_widgets":"","ocean_shortcode_before_footer_bottom":"","ocean_shortcode_after_footer_bottom":"","ocean_display_top_bar":"default","ocean_display_header":"default","ocean_header_style":"","ocean_center_header_left_menu":"","ocean_custom_header_template":"","ocean_custom_logo":0,"ocean_custom_retina_logo":0,"ocean_custom_logo_max_width":0,"ocean_custom_logo_tablet_max_width":0,"ocean_custom_logo_mobile_max_width":0,"ocean_custom_logo_max_height":0,"ocean_custom_logo_tablet_max_height":0,"ocean_custom_logo_mobile_max_height":0,"ocean_header_custom_menu":"","ocean_menu_typo_font_family":"","ocean_menu_typo_font_subset":"","ocean_menu_typo_font_size":0,"ocean_menu_typo_font_size_tablet":0,"ocean_menu_typo_font_size_mobile":0,"ocean_menu_typo_font_size_unit":"px","ocean_menu_typo_font_weight":"","ocean_menu_typo_font_weight_tablet":"","ocean_menu_typo_font_weight_mobile":"","ocean_menu_typo_transform":"","ocean_menu_typo_transform_tablet":"","ocean_menu_typo_transform_mobile":"","ocean_menu_typo_line_height":0,"ocean_menu_typo_line_height_tablet":0,"ocean_menu_typo_line_height_mobile":0,"ocean_menu_typo_line_height_unit":"","ocean_menu_typo_spacing":0,"ocean_menu_typo_spacing_tablet":0,"ocean_menu_typo_spacing_mobile":0,"ocean_menu_typo_spacing_unit":"","ocean_menu_link_color":"","ocean_menu_link_color_hover":"","ocean_menu_link_color_active":"","ocean_menu_link_background":"","ocean_menu_link_hover_background":"","ocean_menu_link_active_background":"","ocean_menu_social_links_bg":"","ocean_menu_social_hover_links_bg":"","ocean_menu_social_links_color":"","ocean_menu_social_hover_links_color":"","ocean_disable_title":"default","ocean_disable_heading":"default","ocean_post_title":"","ocean_post_subheading":"","ocean_post_title_style":"","ocean_post_title_background_color":"","ocean_post_title_background":0,"ocean_post_title_bg_image_position":"","ocean_post_title_bg_image_attachment":"","ocean_post_title_bg_image_repeat":"","ocean_post_title_bg_image_size":"","ocean_post_title_height":0,"ocean_post_title_bg_overlay":0.5,"ocean_post_title_bg_overlay_color":"","ocean_disable_breadcrumbs":"default","ocean_breadcrumbs_color":"","ocean_breadcrumbs_separator_color":"","ocean_breadcrumbs_links_color":"","ocean_breadcrumbs_links_hover_color":"","ocean_display_footer_widgets":"default","ocean_display_footer_bottom":"default","ocean_custom_footer_template":"","ofc_enable_fullscreen":"disable","ofc_fullscreen_speed":0,"ofc_fullscreen_nav":"enable","ofc_fullscreen_nav_pos":"right","ofc_fullscreen_nav_color":"","ofc_fullscreen_nav_tooltip_color":"","ofc_fullscreen_responsive":0,"osh_disable_topbar_sticky":"default","osh_disable_header_sticky":"default","osh_sticky_header_style":"default","osh_sticky_header_effect":"","osh_custom_sticky_logo":0,"osh_custom_retina_sticky_logo":0,"osh_custom_sticky_logo_height":0,"osh_background_color":"","osh_links_color":"","osh_links_hover_color":"","osh_links_active_color":"","osh_links_bg_color":"","osh_links_hover_bg_color":"","osh_links_active_bg_color":"","osh_menu_social_links_color":"","osh_menu_social_hover_links_color":"","ocean_post_oembed":"","ocean_post_self_hosted_media":"","ocean_post_video_embed":"","ocean_link_format":"","ocean_link_format_target":"self","ocean_quote_format":"","ocean_quote_format_link":"post","ocean_gallery_link_images":"on","ocean_gallery_id":[],"footnotes":""},"categories":[15],"tags":[],"class_list":["post-32228","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-non-classifiee","entry","has-media"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>La d\u00e9formation r\u00e9manente \u00e0 la compression des mat\u00e9riaux en caoutchouc<\/title>\n<meta name=\"description\" content=\"Apprenez-en plus sur la d\u00e9formation r\u00e9manente \u00e0 la compression des mat\u00e9riaux en caoutchouc, pourquoi c&#039;est important, les facteurs qui l&#039;influencent, ainsi que quelques exemples pratiques.\" \/>\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.elastoproxy.com\/fr\/la-deformation-remanente-a-la-compression-des-materiaux-en-caoutchouc\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"La d\u00e9formation r\u00e9manente \u00e0 la compression des mat\u00e9riaux en caoutchouc\" \/>\n<meta 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