{"id":3980,"date":"2026-01-22T01:09:00","date_gmt":"2026-01-22T01:09:00","guid":{"rendered":"https:\/\/www.desopipe.com\/?p=3980"},"modified":"2026-01-22T01:09:00","modified_gmt":"2026-01-22T01:09:00","slug":"ppr-fitting-mold-temperature-stress-durability","status":"publish","type":"post","link":"https:\/\/www.desopipe.com\/fr\/blog\/ppr-fitting\/ppr-fitting-mold-temperature-stress-durability\/","title":{"rendered":"L\u2019impact du contr\u00f4le de la temp\u00e9rature du moule sur les contraintes internes et la durabilit\u00e9 de l\u2019ajustement"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_86 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table des mati\u00e8res<\/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=\"Basculer la table des mati\u00e8res\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Basculer<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" 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: #999;color:#999\" 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 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/www.desopipe.com\/fr\/blog\/ppr-fitting\/ppr-fitting-mold-temperature-stress-durability\/#How_PPR_Moulds_Temperature_Affects_PPR_Production\" >Comment la temp\u00e9rature des moules PPR affecte la production de PPR<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/www.desopipe.com\/fr\/blog\/ppr-fitting\/ppr-fitting-mold-temperature-stress-durability\/#Effects_on_Internal_Stress\" >Effets sur le stress interne<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/www.desopipe.com\/fr\/blog\/ppr-fitting\/ppr-fitting-mold-temperature-stress-durability\/#Why_Some_PPR_Fitting_Outlast_Others\" >Pourquoi certains raccords PPR durent plus longtemps que d&#039;autres<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/www.desopipe.com\/fr\/blog\/ppr-fitting\/ppr-fitting-mold-temperature-stress-durability\/#The_Deso_Advantage_Integrated_Design_Proprietary_Molds\" >L&#039;avantage Deso\u00a0: conception int\u00e9gr\u00e9e et moules exclusifs<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/www.desopipe.com\/fr\/blog\/ppr-fitting\/ppr-fitting-mold-temperature-stress-durability\/#Conclusion\" >Conclusion<\/a><\/li><\/ul><\/nav><\/div>\n\n<p class=\"wp-block-paragraph\">La fiabilit\u00e9 d&#039;un syst\u00e8me de tuyauterie est un facteur d\u00e9terminant pour la stabilit\u00e9 et l&#039;hygi\u00e8ne des infrastructures modernes. Choisir le bon syst\u00e8me est donc essentiel. <a href=\"https:\/\/www.desopipe.com\/fr\/leading-ppr-fitting-manufacturer-for-global-piping-systems\/\" target=\"_blank\" rel=\"noreferrer noopener\">Tubes et raccords PPR<\/a> sont des composants essentiels pour le transport d&#039;eau de haute puret\u00e9, notamment dans les industries pharmaceutiques et m\u00e9dicales.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les tuyaux PPR utilisent <a href=\"https:\/\/www.desopipe.com\/fr\/blog\/manufacturer\/buyers-guide-to-high-quality-ppr-pipe-material\/\" target=\"_blank\" rel=\"noreferrer noopener\">mati\u00e8res premi\u00e8res vierges<\/a> et des syst\u00e8mes d&#039;ing\u00e9nierie de pointe pour garantir une s\u00e9curit\u00e9 de niveau pharmaceutique. Ces tuyaux industriels sont fabriqu\u00e9s conform\u00e9ment aux normes <a href=\"https:\/\/www.desopipe.com\/fr\/certificate\/\" target=\"_blank\" rel=\"noreferrer noopener\">normes industrielles mondiales<\/a> afin de garantir leur stabilit\u00e9 chimique et leur \u00e9tanch\u00e9it\u00e9 m\u00eame dans les environnements les plus sensibles.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cet article explique pourquoi <a href=\"https:\/\/www.desopipe.com\/fr\/blog\/ppr-pipe\/ppr-injection-automation-fitting-consistency\/\" target=\"_blank\" rel=\"noreferrer noopener\">moulage par injection sur tubes PPR<\/a> Vous d\u00e9couvrirez comment le contr\u00f4le de la temp\u00e9rature est essentiel \u00e0 la durabilit\u00e9 et \u00e0 la long\u00e9vit\u00e9 des tuyaux PPR, et comment il garantit la pr\u00e9cision des raccords.&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"How_PPR_Moulds_Temperature_Affects_PPR_Production\"><\/span>Comment la temp\u00e9rature des moules PPR affecte la production de PPR<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">La fabrication de PPR exige une gestion thermique et un moulage par injection de pr\u00e9cision. Lors de la fabrication des raccords en PPR, la temp\u00e9rature du moule d\u00e9termine la solidification des cha\u00eenes polym\u00e8res. Le moulage par injection des tubes en PPR est un proc\u00e9d\u00e9 de production en grande s\u00e9rie qui utilise la haute pression pour injecter du plastique PPR fondu.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Le contr\u00f4le de la temp\u00e9rature du moule PPR influe consid\u00e9rablement sur les contraintes internes, la cristallinit\u00e9, ainsi que sur la durabilit\u00e9 et les performances globales des raccords de tuyauterie PPR. Les fabricants de raccords PPR doivent surveiller attentivement la temp\u00e9rature afin de garantir la pr\u00e9cision des assemblages et la durabilit\u00e9 des moules.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Effects_on_Internal_Stress\"><\/span>Effets sur le stress interne<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Si le moule est soumis \u00e0 une basse temp\u00e9rature, la r\u00e9sine PPR fondue se refroidit rapidement. La couche superficielle durcit alors que le c\u0153ur continue de refroidir. Cela peut rendre les tuyaux plus sensibles \u00e0\u2026 <a href=\"https:\/\/www.desopipe.com\/fr\/blog\/ppr-pipe\/common-ppr-pipe-problems-and-effective-solutions\/\" target=\"_blank\" rel=\"noreferrer noopener\">craquement<\/a>, notamment lorsqu&#039;il est expos\u00e9 \u00e0 des forces ext\u00e9rieures et \u00e0 certains environnements chimiques.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">En revanche, une temp\u00e9rature de moule \u00e9lev\u00e9e ralentit le refroidissement. Cela permet aux cha\u00eenes polym\u00e8res de se d\u00e9tendre, ce qui favorise une cristallisation plus uniforme, notamment au c\u0153ur de la pi\u00e8ce. Il en r\u00e9sulte un produit plus stable et des contraintes internes r\u00e9duites.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ainsi, le contr\u00f4le pr\u00e9cis de la temp\u00e9rature des moules pr\u00e9vient les irr\u00e9gularit\u00e9s de surface et assure une paroi interne lisse. Il pr\u00e9vient \u00e9galement les fissures et les contraintes internes au sein des parois. Ceci garantit la s\u00e9curit\u00e9 pharmaceutique et m\u00e9dicale en emp\u00eachant l&#039;accumulation de min\u00e9raux, l&#039;adh\u00e9sion bact\u00e9rienne et la formation de biofilm.&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"935\" height=\"508\" src=\"https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/01\/The-Impact-of-Mold-Temperature-Control-on-Fitting-Internal-Stress-and-Durability-1.webp\" alt=\"\" class=\"wp-image-3982\" style=\"width:600px\" srcset=\"https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/01\/The-Impact-of-Mold-Temperature-Control-on-Fitting-Internal-Stress-and-Durability-1.webp 935w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/01\/The-Impact-of-Mold-Temperature-Control-on-Fitting-Internal-Stress-and-Durability-1-500x272.webp 500w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/01\/The-Impact-of-Mold-Temperature-Control-on-Fitting-Internal-Stress-and-Durability-1-300x163.webp 300w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/01\/The-Impact-of-Mold-Temperature-Control-on-Fitting-Internal-Stress-and-Durability-1-768x417.webp 768w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/01\/The-Impact-of-Mold-Temperature-Control-on-Fitting-Internal-Stress-and-Durability-1-18x10.webp 18w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/01\/The-Impact-of-Mold-Temperature-Control-on-Fitting-Internal-Stress-and-Durability-1-138x75.webp 138w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/01\/The-Impact-of-Mold-Temperature-Control-on-Fitting-Internal-Stress-and-Durability-1-480x261.webp 480w, https:\/\/www.desopipe.com\/wp-content\/uploads\/2026\/01\/The-Impact-of-Mold-Temperature-Control-on-Fitting-Internal-Stress-and-Durability-1-800x435.webp 800w\" sizes=\"auto, (max-width:767px) 480px, (max-width:935px) 100vw, 935px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Why_Some_PPR_Fitting_Outlast_Others\"><\/span>Pourquoi certains raccords PPR durent plus longtemps que d&#039;autres<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">La durabilit\u00e9 d&#039;un <a href=\"https:\/\/www.desopipe.com\/fr\/leading-ppr-fitting-manufacturer-for-global-piping-systems\/\">Raccord PPR<\/a> La durabilit\u00e9 est d\u00e9termin\u00e9e par la transformation du mat\u00e9riau de l&#039;\u00e9tat fondu \u00e0 l&#039;\u00e9tat solide. Une machine de tuyauterie PPR, o\u00f9 la vitesse de refroidissement est contr\u00f4l\u00e9e math\u00e9matiquement, assure une grande pr\u00e9cision d&#039;assemblage et une durabilit\u00e9 \u00e9lev\u00e9e. Ceci garantit une cristallisation uniforme du polypropyl\u00e8ne.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Lorsqu&#039;une machine de raccordement de tuyauterie PPR pr\u00e9sente des r\u00e9glages thermiques incoh\u00e9rents, les sections les plus \u00e9paisses refroidissent plus lentement que les parois les plus fines. Ce d\u00e9s\u00e9quilibre engendre des contraintes internes qui fragilisent les tuyaux et peuvent provoquer une d\u00e9faillance pr\u00e9matur\u00e9e. Une pr\u00e9cision de raccordement optimale est obtenue en ralentissant la vitesse de refroidissement, car cela permet aux cha\u00eenes polym\u00e8res de se d\u00e9tendre.&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"The_Deso_Advantage_Integrated_Design_Proprietary_Molds\"><\/span>L&#039;avantage Deso\u00a0: conception int\u00e9gr\u00e9e et moules exclusifs<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n  \n  <title>Produit phare<\/title>\n  <style>\n    .hero-card {\n      display: flex;\n      flex-wrap: wrap;\n      align-items: center;\n      background: #f7f8fa;\n      border-radius: 16px;\n      box-shadow: 0 6px 20px rgba(0, 0, 0, 0.05);\n      padding: 24px;\n      max-width: 900px;\n      margin: 40px auto;\n      font-family: Arial, sans-serif;\n      text-decoration: none;\n      color: inherit;\n font-family: 'Poppins';\n    }\n\n    .hero-image {\n      width: 220px;\n      height: auto;\n      border-radius: 12px;\n      object-fit: cover;\n      flex-shrink: 0;\n    }\n\n    .hero-content {\n      padding-left: 24px;\n      flex: 1;\n      min-width: 260px;\n    }\n\n    .hero-title {\n      font-size: 1.6rem;\n      font-weight: bold;\n      margin-bottom: 12px;\n      color: #222;\n      font-family: 'Poppins',\n    }\n\n    .hero-description {\n      font-size: 1rem;\n      color: #555;\n      margin-bottom: 18px;\n    }\n\n    .hero-link {\n      display: inline-block;\n      padding: 10px 20px;\n      background-color: #0066cc;\n      color: #fff;\n      text-decoration: none;\n      border-radius: 8px;\n      font-weight: bold;\n      transition: background 0.2s ease-in-out;\n    }\n\n    .hero-link:hover {\n      background-color: #004c99;\n    }\n\n    @media (max-width: 640px) {\n      .hero-card {\n        flex-direction: column;\n        text-align: center;\n      }\n\n      .hero-content {\n        padding-left: 0;\n        padding-top: 20px;\n      }\n\n      .hero-image {\n        width: 100%;\n        max-width: 280px;\n      }\n    }\n  <\/style>\n<\/head>\n<body>\n\n<a class=\"hero-card\" href=\"https:\/\/www.desopipe.com\/fr\/product-category\/ppr-fitting\/\" target=\"_blank\">\n  <img decoding=\"async\" class=\"hero-image\" src=\"https:\/\/www.desopipe.com\/wp-content\/uploads\/2025\/02\/%E4%BA%A7%E5%93%81-2-480x384.jpg\" alt=\"Raccords PPR\">\n  <div class=\"hero-content\">\n    <div class=\"hero-title\">Raccords PPR<\/div>\n    <div class=\"hero-description\">\nDisponible dans les types \u00e9conomique, luxueux, professionnel, italien et \u00e9lectro-fusion.<\/div>\n    <span class=\"hero-link\">Voir le produit<\/span>\n  <\/div>\n<\/a>\n\n<\/body>\n<\/html>\n\n\n\n<p class=\"wp-block-paragraph\">Sp\u00e9cialis\u00e9e dans la fabrication de tuyaux et raccords PPR, Deso respecte les normes internationales les plus exigeantes, comme en t\u00e9moignent ses certifications. Des normes de qualit\u00e9 internationales ISO 9001 aux certifications de s\u00e9curit\u00e9 ISO 45001, vous avez l&#039;assurance de syst\u00e8mes de tuyauterie durables et hygi\u00e9niques.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Le syst\u00e8me de tuyauterie PPR de Deso est fiable car les tuyaux et les raccords sont con\u00e7us pour fonctionner ensemble comme un seul ensemble. Ceci garantit une s\u00e9curit\u00e9 de niveau pharmaceutique et une stabilit\u00e9 chimique \u00e0 long terme.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Moules PPR exclusifs\u00a0:<\/strong> Deso utilise des moules PPR personnalis\u00e9s con\u00e7us pour une r\u00e9partition uniforme de la chaleur, cr\u00e9ant des parois internes ultra-lisses qui contribuent \u00e0 pr\u00e9venir l&#039;accumulation de min\u00e9raux, l&#039;adh\u00e9sion bact\u00e9rienne et la formation de biofilm dans les syst\u00e8mes d&#039;eau sensibles.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Contr\u00f4le de pr\u00e9cision des processus\u00a0:<\/strong> En utilisant des techniques de moulage par injection PPR et des machines de fabrication de raccords de tuyauterie PPR, Deso contr\u00f4le la courbe de refroidissement de chaque composant. Ce contr\u00f4le rigoureux du processus garantit que le raccord PPR fini pr\u00e9sente un produit \u00e0 faible contrainte interne et \u00e0 haute cristallinit\u00e9.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Int\u00e9grit\u00e9 de la fusion :<\/strong><a href=\"https:\/\/www.desopipe.com\/fr\/blog\/ppr-pipe\/ppr-pipe-welding-hot-fusion-guide\/\" target=\"_blank\" rel=\"noreferrer noopener\"> Fusion thermique<\/a> Ce syst\u00e8me cr\u00e9e une connexion solide, \u00e9tanche et r\u00e9sistante, car les tuyaux et les raccords sont con\u00e7us ensemble. Il en r\u00e9sulte des joints aussi robustes que les tuyaux eux-m\u00eames. Ainsi, les germes et la salet\u00e9 ne peuvent contaminer les zones d\u00e9sinfect\u00e9es.&nbsp;<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span>Conclusion<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Choisir les syst\u00e8mes de tuyauterie PPR de Deso, c&#039;est garantir une s\u00e9curit\u00e9 durable pour les industries pharmaceutiques et m\u00e9dicales. L&#039;alliance de mat\u00e9riaux vierges de haute puret\u00e9 et d&#039;une ing\u00e9nierie de pointe assure une fiabilit\u00e9 totale. L&#039;engagement de l&#039;entreprise envers des normes de fabrication rigoureuses et sa technologie de moules exclusive garantissent le fonctionnement de toutes les installations gr\u00e2ce \u00e0 une tuyauterie \u00e9tanche et chimiquement stable.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Durabilit\u00e9 de plus de 50 ans :<\/strong> Les raccords en PPR haute puret\u00e9 sont con\u00e7us pour durer plus de 50 ans gr\u00e2ce \u00e0 leur robustesse. Les applications industrielles n&#039;ont donc pas \u00e0 se soucier de r\u00e9parations ou de remplacements fr\u00e9quents.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>R\u00e9sistance \u00e0 la d\u00e9sinfection : <\/strong>Les raccords PPR chimiquement inertes de Deso r\u00e9sistent aux agents de nettoyage agressifs et aux hautes temp\u00e9ratures sans se d\u00e9grader ni lib\u00e9rer de m\u00e9taux lourds dans l&#039;eau. Les environnements pharmaceutiques peuvent ainsi proc\u00e9der en toute s\u00e9curit\u00e9 \u00e0 des d\u00e9sinfections thermiques et chimiques fr\u00e9quentes sans risque de contamination de l&#039;eau par le plomb ou le cuivre.&nbsp;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Les tuyaux PPR Deso sont con\u00e7us pour une longue dur\u00e9e de vie et une grande robustesse. Les industries m\u00e9dicales et pharmaceutiques peuvent ainsi r\u00e9aliser des \u00e9conomies et se concentrer sur le d\u00e9veloppement d&#039;innovations et d&#039;am\u00e9liorations plut\u00f4t que sur la maintenance et les r\u00e9parations.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-fe48e5de wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-white-color has-text-color has-background has-link-color wp-element-button\" href=\"https:\/\/www.desopipe.com\/fr\/contact\/\" style=\"background-color:#0588a7\" target=\"_blank\" rel=\"noreferrer noopener\">Obtenez un devis gratuit<\/a><\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>The reliability of a piping system is a main factor in determining the stability and sanitation of modern infrastructure. Choosing the right PPR pipes and fittings<span class=\"excerpt-hellip\"> [\u2026]<\/span><\/p>\n","protected":false},"author":1,"featured_media":3986,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[57],"tags":[],"class_list":["post-3980","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ppr-fitting"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>PPR Fitting Mold Temperature Effects on Stress &amp; Durability | DESO Group<\/title>\n<meta name=\"description\" content=\"Explore how mold temperature and precision PPR moulds eliminate internal stress in PPR fitting manufacturing. Learn why DESO\u2019s injection molding PPR process ensures 50+ years of durability for industrial systems.\" \/>\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.desopipe.com\/fr\/blog\/ppr-fitting\/ppr-fitting-mold-temperature-stress-durability\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"PPR Fitting Mold Temperature Effects on Stress &amp; Durability | DESO Group\" \/>\n<meta property=\"og:description\" content=\"Explore how mold temperature and precision PPR moulds eliminate internal stress in PPR fitting manufacturing. 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