{"id":2401,"date":"2026-10-20T11:44:39","date_gmt":"2026-10-20T11:44:39","guid":{"rendered":"https:\/\/carbocoregcc.com\/calcium-carbonate-pvc-pipes-profiles\/"},"modified":"2026-10-26T11:52:24","modified_gmt":"2026-10-26T11:52:24","slug":"calcium-carbonate-pvc-pipes-profiles","status":"publish","type":"post","link":"https:\/\/carbocoregcc.com\/fr\/calcium-carbonate-pvc-pipes-profiles\/","title":{"rendered":"Le carbonate de calcium dans les tubes et profil\u00e9s PVC"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"2401\" class=\"elementor elementor-2401 elementor-bc-flex-widget\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-section elementor-top-section elementor-element elementor-element-cc_pvc_hero elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"cc_pvc_hero\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;wdt_bg_image&quot;:{&quot;url&quot;:&quot;&quot;,&quot;id&quot;:&quot;&quot;,&quot;size&quot;:&quot;&quot;},&quot;wdt_bg_image_laptop&quot;:{&quot;url&quot;:&quot;&quot;,&quot;id&quot;:&quot;&quot;,&quot;size&quot;:&quot;&quot;},&quot;wdt_bg_image_tablet_extra&quot;:{&quot;url&quot;:&quot;&quot;,&quot;id&quot;:&quot;&quot;,&quot;size&quot;:&quot;&quot;},&quot;wdt_bg_image_tablet&quot;:{&quot;url&quot;:&quot;&quot;,&quot;id&quot;:&quot;&quot;,&quot;size&quot;:&quot;&quot;},&quot;wdt_bg_image_mobile_extra&quot;:{&quot;url&quot;:&quot;&quot;,&quot;id&quot;:&quot;&quot;,&quot;size&quot;:&quot;&quot;},&quot;wdt_bg_image_mobile&quot;:{&quot;url&quot;:&quot;&quot;,&quot;id&quot;:&quot;&quot;,&quot;size&quot;:&quot;&quot;},&quot;wdt_bg_position&quot;:&quot;center center&quot;,&quot;wdt_animation_effect&quot;:&quot;none&quot;}\">\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-cc_pvc_hero_col\" data-id=\"cc_pvc_hero_col\" data-element_type=\"column\" data-e-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-cc_pvc_hero_wgt elementor-widget elementor-widget-html\" data-id=\"cc_pvc_hero_wgt\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;wdt_animation_effect&quot;:&quot;none&quot;}\" data-widget_type=\"html.default\">\n\t\t\t\t\t<div class=\"cc-hero-inner\" style=\"font-family: 'Manrope', sans-serif; max-width: 860px; margin: 0 auto; box-sizing: border-box;\">\n  <div style=\"font-family: 'Manrope', sans-serif; font-weight: 700; font-size: 13px; color: #FFAA4A; text-transform: uppercase; letter-spacing: 1.5px; margin-bottom: 16px;\">\n    CARBONATE DE CALCIUM\n  <\/div>\n  <h2 style=\"font-family: 'Manrope', sans-serif; font-weight: 700; font-size: 42px; line-height: 1.25; color: #FFFFFF; margin: 0 0 20px 0;\">\n    Le carbonate de calcium dans les tubes et profil\u00e9s PVC\n  <\/h2>\n  <div style=\"font-family: 'Manrope', sans-serif; font-weight: 400; font-size: 14px; color: rgba(255, 255, 255, 0.6); margin-bottom: 30px;\">\n    Auteur : \u00e9quipe technique CarboCore &nbsp;|&nbsp; Publi\u00e9 : octobre 2026 &nbsp;|&nbsp; 9 min de lecture\n  <\/div>\n  <div style=\"border-top: 1px solid rgba(255, 255, 255, 0.1); width: 100%; margin: 0;\"><\/div>\n<\/div>\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 data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-section elementor-top-section elementor-element elementor-element-cc_pvc_body elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"cc_pvc_body\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;wdt_bg_image&quot;:{&quot;url&quot;:&quot;&quot;,&quot;id&quot;:&quot;&quot;,&quot;size&quot;:&quot;&quot;},&quot;wdt_bg_image_laptop&quot;:{&quot;url&quot;:&quot;&quot;,&quot;id&quot;:&quot;&quot;,&quot;size&quot;:&quot;&quot;},&quot;wdt_bg_image_tablet_extra&quot;:{&quot;url&quot;:&quot;&quot;,&quot;id&quot;:&quot;&quot;,&quot;size&quot;:&quot;&quot;},&quot;wdt_bg_image_tablet&quot;:{&quot;url&quot;:&quot;&quot;,&quot;id&quot;:&quot;&quot;,&quot;size&quot;:&quot;&quot;},&quot;wdt_bg_image_mobile_extra&quot;:{&quot;url&quot;:&quot;&quot;,&quot;id&quot;:&quot;&quot;,&quot;size&quot;:&quot;&quot;},&quot;wdt_bg_image_mobile&quot;:{&quot;url&quot;:&quot;&quot;,&quot;id&quot;:&quot;&quot;,&quot;size&quot;:&quot;&quot;},&quot;wdt_bg_position&quot;:&quot;center center&quot;,&quot;wdt_animation_effect&quot;:&quot;none&quot;}\">\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-cc_pvc_body_col\" data-id=\"cc_pvc_body_col\" data-element_type=\"column\" data-e-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-cc_pvc_body_wgt elementor-widget elementor-widget-html\" data-id=\"cc_pvc_body_wgt\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;wdt_animation_effect&quot;:&quot;none&quot;}\" data-widget_type=\"html.default\">\n\t\t\t\t\t<div class=\"cc-article-content\" style=\"font-family: 'Manrope', sans-serif; max-width: 860px; margin: 0 auto; box-sizing: border-box; color: #444444;\">\n  <style>\n    .cc-article-content {\n      font-family: 'Manrope', sans-serif;\n      color: #444444;\n    }\n    .cc-article-content h2 {\n      font-family: 'Manrope', sans-serif;\n      font-weight: 700;\n      font-size: 30px;\n      line-height: 1.35;\n      color: #131C23;\n      margin-top: 0;\n      margin-bottom: 20px;\n    }\n    .cc-article-content p {\n      font-family: 'Manrope', sans-serif;\n      font-weight: 400;\n      font-size: 16px;\n      line-height: 1.9;\n      color: #444444;\n      margin-top: 0;\n      margin-bottom: 20px;\n    }\n    .cc-article-section {\n      margin-bottom: 48px;\n    }\n    .cc-table-wrapper {\n      width: 100%;\n      overflow-x: auto;\n      margin: 28px 0;\n      border: 1px solid #EAEAEA;\n      border-radius: 8px;\n    }\n    .cc-table {\n      width: 100%;\n      border-collapse: collapse;\n      text-align: left;\n    }\n    .cc-table th {\n      background-color: #FFAA4A;\n      color: #131C23;\n      font-family: 'Manrope', sans-serif;\n      font-weight: 700;\n      font-size: 14px;\n      padding: 12px 16px;\n      border: 1px solid #EAEAEA;\n    }\n    .cc-table td {\n      font-family: 'Manrope', sans-serif;\n      font-weight: 400;\n      font-size: 14px;\n      color: #444444;\n      padding: 12px 16px;\n      border: 1px solid #EAEAEA;\n    }\n    .cc-table tr:nth-child(even) td {\n      background-color: #F8F9FA;\n    }\n    .cc-table tr:nth-child(odd) td {\n      background-color: #FFFFFF;\n    }\n    .cc-callout {\n      background-color: #F8F9FA;\n      border-left: 3px solid #FFAA4A;\n      border-radius: 8px;\n      padding: 20px 24px;\n      font-family: 'Manrope', sans-serif;\n      font-weight: 400;\n      font-size: 15px;\n      line-height: 1.7;\n      color: #444444;\n      margin: 24px 0 10px 0;\n    }\n    .cc-bullet-item {\n      display: flex;\n      align-items: flex-start;\n      margin-bottom: 14px;\n    }\n    .cc-bullet-dot {\n      display: inline-block;\n      width: 8px;\n      height: 8px;\n      background-color: #FFAA4A;\n      border-radius: 50%;\n      margin-top: 11px;\n      margin-right: 14px;\n      flex-shrink: 0;\n    }\n    .cc-bullet-text {\n      font-family: 'Manrope', sans-serif;\n      font-weight: 400;\n      font-size: 16px;\n      line-height: 1.9;\n      color: #444444;\n    }\n  <\/style>\n\n  <!-- Sub-section 1 -->\n  <div class=\"cc-article-section\">\n    <h2>Pourquoi utiliser du carbonate de calcium dans le PVC ?<\/h2>\n    <p>Le carbonate de calcium est la charge la plus utilis\u00e9e dans le PVC rigide. Il r\u00e9duit le co\u00fbt de formulation, am\u00e9liore la rigidit\u00e9 et la stabilit\u00e9 dimensionnelle, favorise la g\u00e9lification et donne un bon aspect de surface. Les grades fins enrob\u00e9s peuvent m\u00eame am\u00e9liorer la r\u00e9sistance aux chocs \u00e0 des taux mod\u00e9r\u00e9s. On l\u2019utilise dans les tubes, les profil\u00e9s de fen\u00eatres, les raccords, les gaines de c\u00e2bles, les feuilles et les panneaux expans\u00e9s.<\/p>\n  <\/div>\n\n  <!-- Sub-section 2 -->\n  <div class=\"cc-article-section\">\n    <h2>Comment doser le carbonate de calcium dans le PVC ?<\/h2>\n    <p>Les formulations de PVC s\u2019\u00e9crivent en phr (parties pour cent de r\u00e9sine). Si une recette contient 100 kg de PVC et 20 kg de carbonate de calcium, le taux est de 20 phr.<\/p>\n\n    <div class=\"cc-table-wrapper\">\n      <table class=\"cc-table\">\n        <thead>\n          <tr>\n            <th>Produit<\/th>\n            <th>Taux type<\/th>\n            <th>Orientation du grade<\/th>\n          <\/tr>\n        <\/thead>\n        <tbody>\n          <tr>\n            <td><strong>Tubes de pression<\/strong><\/td>\n            <td>Faible (limit\u00e9 par les normes de tubes)<\/td>\n            <td>Fin, enrob\u00e9<\/td>\n          <\/tr>\n          <tr>\n            <td><strong>Tubes sans pression et d\u2019\u00e9vacuation<\/strong><\/td>\n            <td>Moyenne \u00e0 \u00e9lev\u00e9e<\/td>\n            <td>Fin \u00e0 moyen, enrob\u00e9<\/td>\n          <\/tr>\n          <tr>\n            <td><strong>Profil\u00e9s de fen\u00eatres et de portes<\/strong><\/td>\n            <td>Faible \u00e0 moyenne<\/td>\n            <td>Tr\u00e8s fin, enrob\u00e9, haute brillance<\/td>\n          <\/tr>\n          <tr>\n            <td><strong>Raccords (moul\u00e9s par injection)<\/strong><\/td>\n            <td>Faible \u00e0 moyenne<\/td>\n            <td>Fin, enrob\u00e9<\/td>\n          <\/tr>\n          <tr>\n            <td><strong>Gaines et conduits de c\u00e2bles<\/strong><\/td>\n            <td>Moyenne \u00e0 \u00e9lev\u00e9e<\/td>\n            <td>Moyen, enrob\u00e9<\/td>\n          <\/tr>\n          <tr>\n            <td><strong>Panneaux et feuilles expans\u00e9s<\/strong><\/td>\n            <td>Moyenne \u00e0 \u00e9lev\u00e9e<\/td>\n            <td>Fin \u00e0 moyen, enrob\u00e9<\/td>\n          <\/tr>\n        <\/tbody>\n      <\/table>\n    <\/div>\n\n    <div class=\"cc-callout\">\n      \u00ab Les taux autoris\u00e9s dans les tubes de pression sont fix\u00e9s par les normes nationales et internationales : la norme du fabricant passe donc en premier. \u00bb\n    <\/div>\n  <\/div>\n\n  <!-- Sub-section 3 -->\n  <div class=\"cc-article-section\">\n    <h2>Quelles propri\u00e9t\u00e9s du carbonate de calcium comptent dans le PVC ?<\/h2>\n\n    <div style=\"margin: 24px 0 20px 0;\">\n      <div class=\"cc-bullet-item\">\n        <span class=\"cc-bullet-dot\"><\/span>\n        <span class=\"cc-bullet-text\"><strong>Granulom\u00e9trie :<\/strong> les grades fins (D50 autour de 1\u20133 \u00b5m) favorisent la r\u00e9sistance aux chocs et le brillant. Les grades plus grossiers r\u00e9duisent le co\u00fbt dans les produits non critiques.<\/span>\n      <\/div>\n      <div class=\"cc-bullet-item\">\n        <span class=\"cc-bullet-dot\"><\/span>\n        <span class=\"cc-bullet-text\"><strong>Coupe maximale :<\/strong> les particules trop grosses agissent comme des d\u00e9fauts et des amorces de fissures, r\u00e9duisant les performances aux chocs et \u00e0 la pression.<\/span>\n      <\/div>\n      <div class=\"cc-bullet-item\">\n        <span class=\"cc-bullet-dot\"><\/span>\n        <span class=\"cc-bullet-text\"><strong>Enrobage :<\/strong> l\u2019enrobage \u00e0 l\u2019acide st\u00e9arique am\u00e9liore la dispersion, r\u00e9duit l\u2019humidit\u00e9 et abaisse la viscosit\u00e9 \u00e0 l\u2019\u00e9tat fondu.<\/span>\n      <\/div>\n      <div class=\"cc-bullet-item\">\n        <span class=\"cc-bullet-dot\"><\/span>\n        <span class=\"cc-bullet-text\"><strong>Brillance :<\/strong> essentielle pour les profil\u00e9s de fen\u00eatres blancs.<\/span>\n      <\/div>\n      <div class=\"cc-bullet-item\">\n        <span class=\"cc-bullet-dot\"><\/span>\n        <span class=\"cc-bullet-text\"><strong>Humidit\u00e9 :<\/strong> l\u2019eau provoque des bulles et des stries de surface.<\/span>\n      <\/div>\n      <div class=\"cc-bullet-item\" style=\"margin-bottom: 0;\">\n        <span class=\"cc-bullet-dot\"><\/span>\n        <span class=\"cc-bullet-text\"><strong>Puret\u00e9 :<\/strong> une faible teneur en fer et en mangan\u00e8se favorise la stabilit\u00e9 de la couleur et la tenue aux intemp\u00e9ries.<\/span>\n      <\/div>\n    <\/div>\n  <\/div>\n\n  <!-- Sub-section 4 -->\n  <div class=\"cc-article-section\">\n    <h2>Comment le carbonate de calcium influence-t-il la transformation du PVC ?<\/h2>\n    <p>Le carbonate de calcium modifie le transfert de chaleur, le temps de g\u00e9lification et l\u2019\u00e9coulement \u00e0 l\u2019\u00e9tat fondu. Des taux plus \u00e9lev\u00e9s demandent g\u00e9n\u00e9ralement d\u2019ajuster les lubrifiants et les temp\u00e9ratures de transformation. Les grades enrob\u00e9s interagissent avec le syst\u00e8me de lubrifiants externes : modifier le niveau d\u2019enrobage de la charge peut donc d\u00e9placer l\u2019\u00e9quilibre entre g\u00e9lification et glissement dans l\u2019extrudeuse.<\/p>\n    <p>Le carbonate de calcium r\u00e9agit aussi avec le chlorure d\u2019hydrog\u00e8ne lib\u00e9r\u00e9 lors de la d\u00e9gradation, ce qui soutient modestement la stabilit\u00e9 thermique.<\/p>\n  <\/div>\n\n  <!-- Sub-section 5 -->\n  <div class=\"cc-article-section\" style=\"margin-bottom: 0;\">\n    <h2>Probl\u00e8mes courants et causes li\u00e9es \u00e0 la charge<\/h2>\n\n    <div class=\"cc-table-wrapper\">\n      <table class=\"cc-table\">\n        <thead>\n          <tr>\n            <th>Probl\u00e8me<\/th>\n            <th>Cause possible li\u00e9e \u00e0 la charge<\/th>\n          <\/tr>\n        <\/thead>\n        <tbody>\n          <tr>\n            <td><strong>Faible r\u00e9sistance aux chocs<\/strong><\/td>\n            <td>Grade grossier, coupe maximale \u00e9lev\u00e9e, mauvaise dispersion, taux trop \u00e9lev\u00e9<\/td>\n          <\/tr>\n          <tr>\n            <td><strong>Rugosit\u00e9 de surface ou zones mates<\/strong><\/td>\n            <td>Agglom\u00e9rats, particules grossi\u00e8res, humidit\u00e9 \u00e9lev\u00e9e<\/td>\n          <\/tr>\n          <tr>\n            <td><strong>Jaunissement ou teinte grise<\/strong><\/td>\n            <td>Faible brillance ou impuret\u00e9s de fer\/mangan\u00e8se<\/td>\n          <\/tr>\n          <tr>\n            <td><strong>Bulles et vides<\/strong><\/td>\n            <td>Humidit\u00e9 dans la charge<\/td>\n          <\/tr>\n          <tr>\n            <td><strong>G\u00e9lification instable<\/strong><\/td>\n            <td>Changement du niveau d\u2019enrobage ou du taux sans ajustement des lubrifiants<\/td>\n          <\/tr>\n          <tr>\n            <td><strong>D\u00e9p\u00f4ts \u00e0 la fili\u00e8re<\/strong><\/td>\n            <td>Exc\u00e8s d\u2019acide st\u00e9arique libre<\/td>\n          <\/tr>\n        <\/tbody>\n      <\/table>\n    <\/div>\n  <\/div>\n<\/div>\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 data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-section elementor-top-section elementor-element elementor-element-cc_pvc_faq elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"cc_pvc_faq\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;wdt_bg_image&quot;:{&quot;url&quot;:&quot;&quot;,&quot;id&quot;:&quot;&quot;,&quot;size&quot;:&quot;&quot;},&quot;wdt_bg_image_laptop&quot;:{&quot;url&quot;:&quot;&quot;,&quot;id&quot;:&quot;&quot;,&quot;size&quot;:&quot;&quot;},&quot;wdt_bg_image_tablet_extra&quot;:{&quot;url&quot;:&quot;&quot;,&quot;id&quot;:&quot;&quot;,&quot;size&quot;:&quot;&quot;},&quot;wdt_bg_image_tablet&quot;:{&quot;url&quot;:&quot;&quot;,&quot;id&quot;:&quot;&quot;,&quot;size&quot;:&quot;&quot;},&quot;wdt_bg_image_mobile_extra&quot;:{&quot;url&quot;:&quot;&quot;,&quot;id&quot;:&quot;&quot;,&quot;size&quot;:&quot;&quot;},&quot;wdt_bg_image_mobile&quot;:{&quot;url&quot;:&quot;&quot;,&quot;id&quot;:&quot;&quot;,&quot;size&quot;:&quot;&quot;},&quot;wdt_bg_position&quot;:&quot;center center&quot;,&quot;wdt_animation_effect&quot;:&quot;none&quot;}\">\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-cc_pvc_faq_col\" data-id=\"cc_pvc_faq_col\" data-element_type=\"column\" data-e-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-cc_pvc_faq_wgt elementor-widget elementor-widget-html\" data-id=\"cc_pvc_faq_wgt\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;wdt_animation_effect&quot;:&quot;none&quot;}\" data-widget_type=\"html.default\">\n\t\t\t\t\t<div class=\"cc-faq-section\" style=\"font-family: 'Manrope', sans-serif; max-width: 860px; margin: 0 auto; box-sizing: border-box;\">\n  <div style=\"font-family: 'Manrope', sans-serif; font-weight: 700; font-size: 13px; color: #FFAA4A; text-transform: uppercase; letter-spacing: 1.5px; margin-bottom: 12px;\">\n    QUESTIONS FR\u00c9QUENTES\n  <\/div>\n  <h2 style=\"font-family: 'Manrope', sans-serif; font-weight: 700; font-size: 30px; line-height: 1.35; color: #131C23; margin-top: 0; margin-bottom: 32px;\">\n    Questions fr\u00e9quentes\n  <\/h2>\n\n  <div class=\"cc-faq-card\" style=\"background-color: #FFFFFF; border: 1px solid #EAEAEA; border-left: 3px solid #FFAA4A; border-radius: 12px; padding: 24px; margin-bottom: 20px; box-sizing: border-box;\">\n    <div style=\"font-family: 'Manrope', sans-serif; font-weight: 700; font-size: 17px; color: #131C23; margin-bottom: 10px;\">\n      Qu\u2019est-ce que le phr dans le PVC ?\n    <\/div>\n    <div style=\"font-family: 'Manrope', sans-serif; font-weight: 400; font-size: 15px; line-height: 1.75; color: #444444;\">\n      Parties pour cent de r\u00e9sine. Chaque ingr\u00e9dient est exprim\u00e9 en poids pour 100 parties de PVC.\n    <\/div>\n  <\/div>\n\n  <div class=\"cc-faq-card\" style=\"background-color: #FFFFFF; border: 1px solid #EAEAEA; border-left: 3px solid #FFAA4A; border-radius: 12px; padding: 24px; margin-bottom: 20px; box-sizing: border-box;\">\n    <div style=\"font-family: 'Manrope', sans-serif; font-weight: 700; font-size: 17px; color: #131C23; margin-bottom: 10px;\">\n      Le carbonate de calcium enrob\u00e9 ou non enrob\u00e9 est-il pr\u00e9f\u00e9rable pour le PVC ?\n    <\/div>\n    <div style=\"font-family: 'Manrope', sans-serif; font-weight: 400; font-size: 15px; line-height: 1.75; color: #444444;\">\n      L\u2019enrob\u00e9 est pr\u00e9f\u00e9r\u00e9 pour la plupart des PVC rigides, car il se disperse mieux et absorbe moins d\u2019humidit\u00e9.\n    <\/div>\n  <\/div>\n\n  <div class=\"cc-faq-card\" style=\"background-color: #FFFFFF; border: 1px solid #EAEAEA; border-left: 3px solid #FFAA4A; border-radius: 12px; padding: 24px; margin-bottom: 20px; box-sizing: border-box;\">\n    <div style=\"font-family: 'Manrope', sans-serif; font-weight: 700; font-size: 17px; color: #131C23; margin-bottom: 10px;\">\n      Le carbonate de calcium peut-il am\u00e9liorer la r\u00e9sistance aux chocs du PVC ?\n    <\/div>\n    <div style=\"font-family: 'Manrope', sans-serif; font-weight: 400; font-size: 15px; line-height: 1.75; color: #444444;\">\n      Les grades fins et bien enrob\u00e9s \u00e0 taux mod\u00e9r\u00e9 peuvent l\u2019am\u00e9liorer. Les grades grossiers ou mal dispers\u00e9s la r\u00e9duisent.\n    <\/div>\n  <\/div>\n\n  <div class=\"cc-faq-card\" style=\"background-color: #FFFFFF; border: 1px solid #EAEAEA; border-left: 3px solid #FFAA4A; border-radius: 12px; padding: 24px; margin-bottom: 0; box-sizing: border-box;\">\n    <div style=\"font-family: 'Manrope', sans-serif; font-weight: 700; font-size: 17px; color: #131C23; margin-bottom: 10px;\">\n      Quelle granulom\u00e9trie convient le mieux aux profil\u00e9s de fen\u00eatres en PVC ?\n    <\/div>\n    <div style=\"font-family: 'Manrope', sans-serif; font-weight: 400; font-size: 15px; line-height: 1.75; color: #444444;\">\n      Des grades enrob\u00e9s tr\u00e8s fins \u00e0 haute brillance, g\u00e9n\u00e9ralement avec un D50 inf\u00e9rieur \u00e0 environ 2 \u00b5m.\n    <\/div>\n  <\/div>\n<\/div>\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 data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-section elementor-top-section elementor-element elementor-element-cc_pvc_links elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"cc_pvc_links\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;wdt_bg_image&quot;:{&quot;url&quot;:&quot;&quot;,&quot;id&quot;:&quot;&quot;,&quot;size&quot;:&quot;&quot;},&quot;wdt_bg_image_laptop&quot;:{&quot;url&quot;:&quot;&quot;,&quot;id&quot;:&quot;&quot;,&quot;size&quot;:&quot;&quot;},&quot;wdt_bg_image_tablet_extra&quot;:{&quot;url&quot;:&quot;&quot;,&quot;id&quot;:&quot;&quot;,&quot;size&quot;:&quot;&quot;},&quot;wdt_bg_image_tablet&quot;:{&quot;url&quot;:&quot;&quot;,&quot;id&quot;:&quot;&quot;,&quot;size&quot;:&quot;&quot;},&quot;wdt_bg_image_mobile_extra&quot;:{&quot;url&quot;:&quot;&quot;,&quot;id&quot;:&quot;&quot;,&quot;size&quot;:&quot;&quot;},&quot;wdt_bg_image_mobile&quot;:{&quot;url&quot;:&quot;&quot;,&quot;id&quot;:&quot;&quot;,&quot;size&quot;:&quot;&quot;},&quot;wdt_bg_position&quot;:&quot;center center&quot;,&quot;wdt_animation_effect&quot;:&quot;none&quot;}\">\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-cc_pvc_links_col\" data-id=\"cc_pvc_links_col\" data-element_type=\"column\" data-e-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-cc_pvc_links_wgt elementor-widget elementor-widget-html\" data-id=\"cc_pvc_links_wgt\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;wdt_animation_effect&quot;:&quot;none&quot;}\" data-widget_type=\"html.default\">\n\t\t\t\t\t<div class=\"cc-related-section\" style=\"font-family: 'Manrope', sans-serif; max-width: 860px; margin: 0 auto; box-sizing: border-box;\">\n  <style>\n    .cc-related-grid-4 {\n      display: grid;\n      grid-template-columns: repeat(2, 1fr);\n      gap: 16px;\n    }\n    @media (max-width: 768px) {\n      .cc-related-grid-4 {\n        grid-template-columns: 1fr;\n      }\n    }\n    .cc-related-card {\n      background-color: #FFFFFF;\n      border: 1px solid #EAEAEA;\n      border-radius: 12px;\n      padding: 20px;\n      text-decoration: none;\n      display: flex;\n      align-items: center;\n      justify-content: space-between;\n      transition: all 0.2s ease-in-out;\n      box-sizing: border-box;\n    }\n    .cc-related-card:hover {\n      border-color: #FFAA4A;\n      transform: translateY(-2px);\n      box-shadow: 0 4px 14px rgba(0, 0, 0, 0.06);\n    }\n    .cc-related-card-text {\n      font-family: 'Manrope', sans-serif;\n      font-weight: 600;\n      font-size: 15px;\n      color: #131C23;\n      line-height: 1.4;\n    }\n    .cc-related-card-arrow {\n      color: #FFAA4A;\n      font-size: 20px;\n      font-weight: 700;\n      margin-left: 12px;\n      flex-shrink: 0;\n      transition: transform 0.2s ease;\n    }\n    .cc-related-card:hover .cc-related-card-arrow {\n      transform: translateX(4px);\n    }\n  <\/style>\n\n  <div style=\"font-family: 'Manrope', sans-serif; font-weight: 700; font-size: 13px; color: #FFAA4A; text-transform: uppercase; letter-spacing: 1.5px; margin-bottom: 12px;\">\n    \u00c0 LIRE AUSSI\n  <\/div>\n  <h2 style=\"font-family: 'Manrope', sans-serif; font-weight: 700; font-size: 24px; line-height: 1.35; color: #131C23; margin-top: 0; margin-bottom: 32px;\">\n    Articles et pages associ\u00e9s\n  <\/h2>\n\n  <div class=\"cc-related-grid-4\">\n    <a href=\"https:\/\/carbocoregcc.com\/fr\/stearic-acid-coated-calcium-carbonate\/\" class=\"cc-related-card\">\n      <span class=\"cc-related-card-text\">Carbonate de calcium enrob\u00e9 ou non enrob\u00e9<\/span>\n      <span class=\"cc-related-card-arrow\">&rarr;<\/span>\n    <\/a>\n    <a href=\"https:\/\/carbocoregcc.com\/fr\/stearic-acid-coated-calcium-carbonate\/\" class=\"cc-related-card\">\n      <span class=\"cc-related-card-text\">L\u2019enrobage \u00e0 l\u2019acide st\u00e9arique du carbonate de calcium<\/span>\n      <span class=\"cc-related-card-arrow\">&rarr;<\/span>\n    <\/a>\n    <a href=\"https:\/\/carbocoregcc.com\/fr\/how-to-read-calcium-carbonate-tds-coa\/\" class=\"cc-related-card\">\n      <span class=\"cc-related-card-text\">D50, D97 et granulom\u00e9trie expliqu\u00e9s<\/span>\n      <span class=\"cc-related-card-arrow\">&rarr;<\/span>\n    <\/a>\n    <a href=\"https:\/\/carbocoregcc.com\/fr\/ground-calcium-carbonate\/\" class=\"cc-related-card\">\n      <span class=\"cc-related-card-text\">Page produit GCC de CarboCore<\/span>\n      <span class=\"cc-related-arrow cc-related-card-arrow\">&rarr;<\/span>\n    <\/a>\n  <\/div>\n<\/div>\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 data-particle_enable=\"false\" data-particle-mobile-disabled=\"false\" class=\"elementor-section elementor-top-section elementor-element elementor-element-cc_pvc_cta elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"cc_pvc_cta\" data-element_type=\"section\" data-e-type=\"section\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;,&quot;wdt_bg_image&quot;:{&quot;url&quot;:&quot;&quot;,&quot;id&quot;:&quot;&quot;,&quot;size&quot;:&quot;&quot;},&quot;wdt_bg_image_laptop&quot;:{&quot;url&quot;:&quot;&quot;,&quot;id&quot;:&quot;&quot;,&quot;size&quot;:&quot;&quot;},&quot;wdt_bg_image_tablet_extra&quot;:{&quot;url&quot;:&quot;&quot;,&quot;id&quot;:&quot;&quot;,&quot;size&quot;:&quot;&quot;},&quot;wdt_bg_image_tablet&quot;:{&quot;url&quot;:&quot;&quot;,&quot;id&quot;:&quot;&quot;,&quot;size&quot;:&quot;&quot;},&quot;wdt_bg_image_mobile_extra&quot;:{&quot;url&quot;:&quot;&quot;,&quot;id&quot;:&quot;&quot;,&quot;size&quot;:&quot;&quot;},&quot;wdt_bg_image_mobile&quot;:{&quot;url&quot;:&quot;&quot;,&quot;id&quot;:&quot;&quot;,&quot;size&quot;:&quot;&quot;},&quot;wdt_bg_position&quot;:&quot;center center&quot;,&quot;wdt_animation_effect&quot;:&quot;none&quot;}\">\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-cc_pvc_cta_col\" data-id=\"cc_pvc_cta_col\" data-element_type=\"column\" data-e-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-cc_pvc_cta_wgt elementor-widget elementor-widget-html\" data-id=\"cc_pvc_cta_wgt\" data-element_type=\"widget\" data-e-type=\"widget\" data-settings=\"{&quot;wdt_animation_effect&quot;:&quot;none&quot;}\" data-widget_type=\"html.default\">\n\t\t\t\t\t<div class=\"cc-cta-section\" style=\"font-family: 'Manrope', sans-serif; max-width: 860px; margin: 0 auto; box-sizing: border-box; text-align: center;\">\n  <style>\n    .cc-cta-btn {\n      display: inline-block;\n      background-color: #FFAA4A;\n      color: #131C23;\n      font-family: 'Manrope', sans-serif;\n      font-weight: 700;\n      font-size: 15px;\n      border-radius: 30px;\n      padding: 14px 34px;\n      text-decoration: none;\n      transition: all 0.2s ease;\n      box-shadow: 0 4px 12px rgba(255, 170, 74, 0.25);\n    }\n    .cc-cta-btn:hover {\n      background-color: #ffb766;\n      color: #131C23;\n      transform: translateY(-2px);\n      box-shadow: 0 6px 18px rgba(255, 170, 74, 0.35);\n    }\n  <\/style>\n\n  <div style=\"font-family: 'Manrope', sans-serif; font-weight: 700; font-size: 13px; color: #FFAA4A; text-transform: uppercase; letter-spacing: 1.5px; margin-bottom: 12px;\">\n    CONTACTEZ-NOUS\n  <\/div>\n  <h2 style=\"font-family: 'Manrope', sans-serif; font-weight: 700; font-size: 30px; line-height: 1.35; color: #FFFFFF; margin-top: 0; margin-bottom: 16px;\">\n    Demander une TDS ou un \u00e9chantillon\n  <\/h2>\n  <p style=\"font-family: 'Manrope', sans-serif; font-weight: 400; font-size: 16px; line-height: 1.8; color: rgba(255, 255, 255, 0.75); max-width: 680px; margin: 0 auto 32px auto;\">\n    Envoyez-nous votre application et le grade requis. Notre \u00e9quipe technique vous r\u00e9pondra avec la fiche concern\u00e9e et, si cela convient, un \u00e9chantillon pour votre essai de production.\n  <\/p>\n  <div>\n    <a href=\"https:\/\/carbocoregcc.com\/fr\/contact-us\/\" class=\"cc-cta-btn\">\n      Envoyer une demande technique\n    <\/a>\n  <\/div>\n<\/div>\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>","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":3484,"comment_status":"open","ping_status":"open","sticky":false,"template":"elementor_header_footer","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2401","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Calcium Carbonate for PVC Pipes and Profiles: Grade Selection<\/title>\n<meta name=\"description\" content=\"How calcium carbonate is used in rigid PVC pipes, profiles and fittings: loading in phr, particle size, coating, impact strength and common processing problems.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/carbocoregcc.com\/fr\/calcium-carbonate-pvc-pipes-profiles\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Calcium Carbonate for PVC Pipes and Profiles: Grade Selection\" \/>\n<meta property=\"og:description\" content=\"How calcium carbonate is used in rigid PVC pipes, profiles and fittings: loading in phr, particle size, coating, impact strength and common processing problems.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/carbocoregcc.com\/fr\/calcium-carbonate-pvc-pipes-profiles\/\" 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