{"id":2398,"date":"2026-10-20T11:35:05","date_gmt":"2026-10-20T11:35:05","guid":{"rendered":"https:\/\/carbocoregcc.com\/gypsum-vs-plaster-of-paris\/"},"modified":"2026-11-06T17:02:29","modified_gmt":"2026-11-06T17:02:29","slug":"gypsum-vs-plaster-of-paris","status":"publish","type":"post","link":"https:\/\/carbocoregcc.com\/fr\/gypsum-vs-plaster-of-paris\/","title":{"rendered":"Gypsum and Plaster of Paris Compared"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"2398\" class=\"elementor elementor-2398 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_gypsum_hero elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"cc_gypsum_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_gypsum_hero_col\" data-id=\"cc_gypsum_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_gypsum_hero_wgt elementor-widget elementor-widget-html\" data-id=\"cc_gypsum_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    MIN\u00c9RAUX\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    Gypse ou pl\u00e2tre de Paris : chimie, grades et usages\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; 7 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_gypsum_body elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"cc_gypsum_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_gypsum_body_col\" data-id=\"cc_gypsum_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_gypsum_body_wgt elementor-widget elementor-widget-html\" data-id=\"cc_gypsum_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-formula-callout {\n      background-color: #131C23;\n      color: #FFAA4A;\n      font-family: 'Manrope', sans-serif;\n      font-weight: 600;\n      font-size: 18px;\n      border-radius: 8px;\n      padding: 20px;\n      text-align: center;\n      margin: 24px 0;\n      letter-spacing: 0.5px;\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-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>Quelle est la diff\u00e9rence entre le gypse et le pl\u00e2tre de Paris ?<\/h2>\n    <p>Le gypse est le min\u00e9ral naturel de sulfate de calcium dihydrat\u00e9, CaSO\u2084\u00b72H\u2082O. Le pl\u00e2tre de Paris (POP) est obtenu en chauffant le gypse pour lui retirer la majeure partie de son eau, ce qui donne du sulfate de calcium h\u00e9mihydrat\u00e9, CaSO\u2084\u00b7\u00bdH\u2082O. M\u00e9lang\u00e9 \u00e0 l\u2019eau, le POP la r\u00e9absorbe, recristallise en gypse et durcit.<\/p>\n  <\/div>\n\n  <!-- Sub-section 2 -->\n  <div class=\"cc-article-section\">\n    <h2>Comment fabrique-t-on le pl\u00e2tre de Paris ?<\/h2>\n    <p>Le gypse concass\u00e9 est calcin\u00e9, g\u00e9n\u00e9ralement \u00e0 environ 120\u2013180 \u00b0C. La r\u00e9action chimique est la suivante :<\/p>\n    \n    <div class=\"cc-formula-callout\">\n      CaSO\u2084\u00b72H\u2082O \u2192 CaSO\u2084\u00b7\u00bdH\u2082O + 1\u00bdH\u2082O\n    <\/div>\n\n    <p>La ma\u00eetrise de la temp\u00e9rature est essentielle. Une mati\u00e8re sous-calcin\u00e9e conserve du gypse brut, qui acc\u00e9l\u00e8re la prise de fa\u00e7on impr\u00e9visible. Une mati\u00e8re surcalcin\u00e9e forme de l\u2019anhydrite, qui prend lentement ou pas du tout. Un bon POP pr\u00e9sente une composition de phases \u00e9troite et constante.<\/p>\n  <\/div>\n\n  <!-- Sub-section 3 -->\n  <div class=\"cc-article-section\">\n    <h2>Que sont les pl\u00e2tres alpha et b\u00eata ?<\/h2>\n\n    <div class=\"cc-table-wrapper\">\n      <table class=\"cc-table\">\n        <thead>\n          <tr>\n            <th>Type<\/th>\n            <th>Mode de fabrication<\/th>\n            <th>Demande en eau<\/th>\n            <th>R\u00e9sistance<\/th>\n            <th>Usages types<\/th>\n          <\/tr>\n        <\/thead>\n        <tbody>\n          <tr>\n            <td><strong>H\u00e9mihydrate b\u00eata<\/strong><\/td>\n            <td>Calcin\u00e9 \u00e0 sec \u00e0 pression atmosph\u00e9rique<\/td>\n            <td>\u00c9lev\u00e9e<\/td>\n            <td>Standard<\/td>\n            <td>Pl\u00e2tre de construction, plaques de pl\u00e2tre, moules, plafonds<\/td>\n          <\/tr>\n          <tr>\n            <td><strong>H\u00e9mihydrate alpha<\/strong><\/td>\n            <td>Calcin\u00e9 sous pression de vapeur ou en solution<\/td>\n            <td>Faible<\/td>\n            <td>\u00c9lev\u00e9e<\/td>\n            <td>Mod\u00e8les dentaires et m\u00e9dicaux, moules de pr\u00e9cision, sols autonivelants<\/td>\n          <\/tr>\n        <\/tbody>\n      <\/table>\n    <\/div>\n  <\/div>\n\n  <!-- Sub-section 4 -->\n  <div class=\"cc-article-section\">\n    <h2>Quelles sp\u00e9cifications comptent pour le pl\u00e2tre de Paris ?<\/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\">Puret\u00e9 : % de sulfate de calcium, souvent exprim\u00e9 en teneur en h\u00e9mihydrate.<\/span>\n      <\/div>\n      <div class=\"cc-bullet-item\">\n        <span class=\"cc-bullet-dot\"><\/span>\n        <span class=\"cc-bullet-text\">Eau combin\u00e9e : indique le degr\u00e9 de conversion du gypse.<\/span>\n      <\/div>\n      <div class=\"cc-bullet-item\">\n        <span class=\"cc-bullet-dot\"><\/span>\n        <span class=\"cc-bullet-text\">Temps de prise : d\u00e9but et fin de prise, mesur\u00e9s selon une m\u00e9thode normalis\u00e9e.<\/span>\n      <\/div>\n      <div class=\"cc-bullet-item\">\n        <span class=\"cc-bullet-dot\"><\/span>\n        <span class=\"cc-bullet-text\">Rapport eau\/pl\u00e2tre : l\u2019eau n\u00e9cessaire pour une consistance standard.<\/span>\n      <\/div>\n      <div class=\"cc-bullet-item\">\n        <span class=\"cc-bullet-dot\"><\/span>\n        <span class=\"cc-bullet-text\">Finesse : refus au tamis ou distribution granulom\u00e9trique.<\/span>\n      <\/div>\n      <div class=\"cc-bullet-item\">\n        <span class=\"cc-bullet-dot\"><\/span>\n        <span class=\"cc-bullet-text\">R\u00e9sistance \u00e0 la compression et \u00e0 la flexion : du pl\u00e2tre durci.<\/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\">Blancheur : importante pour les produits d\u00e9coratifs et les plafonds.<\/span>\n      <\/div>\n    <\/div>\n  <\/div>\n\n  <!-- Sub-section 5 -->\n  <div class=\"cc-article-section\">\n    <h2>O\u00f9 le gypse et le POP sont-ils utilis\u00e9s ?<\/h2>\n\n    <div class=\"cc-table-wrapper\">\n      <table class=\"cc-table\">\n        <thead>\n          <tr>\n            <th>Mati\u00e8re<\/th>\n            <th>Usages principaux<\/th>\n          <\/tr>\n        <\/thead>\n        <tbody>\n          <tr>\n            <td><strong>Gypse brut<\/strong><\/td>\n            <td>Retardateur de ciment (ajout\u00e9 au clinker), amendement agricole des sols, charges<\/td>\n          <\/tr>\n          <tr>\n            <td><strong>POP b\u00eata<\/strong><\/td>\n            <td>Enduit mural, plaques de pl\u00e2tre, dalles de plafond, corniches et moulures d\u00e9coratives<\/td>\n          <\/tr>\n          <tr>\n            <td><strong>POP alpha<\/strong><\/td>\n            <td>Moules c\u00e9ramiques et sanitaires, dentaire, orthop\u00e9die, moulage de pr\u00e9cision<\/td>\n          <\/tr>\n          <tr>\n            <td><strong>Charges de gypse<\/strong><\/td>\n            <td>Charges pour peintures, papier et plastiques lorsqu\u2019une charge sulfat\u00e9e est acceptable<\/td>\n          <\/tr>\n        <\/tbody>\n      <\/table>\n    <\/div>\n\n    <p>Dans la production de ciment, quelques pour cent de gypse brut sont broy\u00e9s avec le clinker pour r\u00e9guler la prise. C\u2019est l\u2019un des plus grands usages uniques du gypse dans le monde.<\/p>\n  <\/div>\n\n  <!-- Sub-section 6 -->\n  <div class=\"cc-article-section\" style=\"margin-bottom: 0;\">\n    <h2>Comment stocker le pl\u00e2tre de Paris ?<\/h2>\n    <p>Le POP absorbe l\u2019humidit\u00e9 de l\u2019air. Un pl\u00e2tre partiellement hydrat\u00e9 prend plus vite, perd en r\u00e9sistance et forme des grumeaux. Stockez les sacs au-dessus du sol, dans une zone s\u00e8che et couverte, et faites tourner les stocks. La plupart des producteurs indiquent une dur\u00e9e de conservation d\u2019environ 6 \u00e0 12 mois en sacs ferm\u00e9s.<\/p>\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_gypsum_faq elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"cc_gypsum_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_gypsum_faq_col\" data-id=\"cc_gypsum_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_gypsum_faq_wgt elementor-widget elementor-widget-html\" data-id=\"cc_gypsum_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      Le pl\u00e2tre de Paris est-il la m\u00eame chose que le gypse ?\n    <\/div>\n    <div style=\"font-family: 'Manrope', sans-serif; font-weight: 400; font-size: 15px; line-height: 1.75; color: #444444;\">\n      Non. Le POP est du gypse dont la majeure partie de l\u2019eau a \u00e9t\u00e9 retir\u00e9e par chauffage. Il redevient du gypse en prenant.\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      Pourquoi mon pl\u00e2tre prend-il trop vite ?\n    <\/div>\n    <div style=\"font-family: 'Manrope', sans-serif; font-weight: 400; font-size: 15px; line-height: 1.75; color: #444444;\">\n      Les causes courantes sont l\u2019absorption d\u2019humidit\u00e9 au stockage, du gypse brut restant apr\u00e8s une sous-calcination, une eau de g\u00e2chage chaude ou des outils sales contamin\u00e9s par du pl\u00e2tre durci.\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      Quel est le temps de prise du pl\u00e2tre de Paris ?\n    <\/div>\n    <div style=\"font-family: 'Manrope', sans-serif; font-weight: 400; font-size: 15px; line-height: 1.75; color: #444444;\">\n      Il d\u00e9pend du grade et des additifs. Les pl\u00e2tres de construction standard prennent g\u00e9n\u00e9ralement en quelques minutes \u00e0 quelques dizaines de minutes ; les retardateurs prolongent le temps d\u2019ouvrabilit\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: 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      Pourquoi ajoute-t-on du gypse au ciment ?\n    <\/div>\n    <div style=\"font-family: 'Manrope', sans-serif; font-weight: 400; font-size: 15px; line-height: 1.75; color: #444444;\">\n      Il r\u00e9gule la r\u00e9action rapide de l\u2019aluminate tricalcique et emp\u00eache une prise instantan\u00e9e.\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_gypsum_links elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"cc_gypsum_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_gypsum_links_col\" data-id=\"cc_gypsum_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_gypsum_links_wgt elementor-widget elementor-widget-html\" data-id=\"cc_gypsum_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-3 {\n      display: grid;\n      grid-template-columns: repeat(3, 1fr);\n      gap: 16px;\n    }\n    @media (max-width: 768px) {\n      .cc-related-grid-3 {\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-3\">\n    <a href=\"https:\/\/carbocoregcc.com\/fr\/mineral\/gypsum\/\" class=\"cc-related-card\">\n      <span class=\"cc-related-card-text\">Page produit Gypse de CarboCore<\/span>\n      <span class=\"cc-related-card-arrow\">&rarr;<\/span>\n    <\/a>\n    <a href=\"https:\/\/carbocoregcc.com\/fr\/egyptian-calcium-carbonate\/\" class=\"cc-related-card\">\n      <span class=\"cc-related-card-text\">Emballage et logistique export<\/span>\n      <span class=\"cc-related-card-arrow\">&rarr;<\/span>\n    <\/a>\n    <a href=\"https:\/\/carbocoregcc.com\/fr\/industrial-minerals-polymers-glossary\/\" class=\"cc-related-card\">\n      <span class=\"cc-related-card-text\">Glossaire<\/span>\n      <span class=\"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_gypsum_cta elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"cc_gypsum_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_gypsum_cta_col\" data-id=\"cc_gypsum_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_gypsum_cta_wgt elementor-widget elementor-widget-html\" data-id=\"cc_gypsum_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":3489,"comment_status":"open","ping_status":"open","sticky":false,"template":"elementor_header_footer","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2398","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>Gypsum vs Plaster of Paris: 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