{"id":3591,"date":"2025-10-29T11:55:34","date_gmt":"2025-10-29T03:55:34","guid":{"rendered":"https:\/\/calcium-carbonate.epic-powder.com\/?p=3591"},"modified":"2025-10-29T11:55:37","modified_gmt":"2025-10-29T03:55:37","slug":"how-calcium-carbonate-became-the-most-widely-used-filler","status":"publish","type":"post","link":"https:\/\/calcium-carbonate.epic-powder.com\/fr\/how-calcium-carbonate-became-the-most-widely-used-filler\/","title":{"rendered":"Comment le carbonate de calcium est devenu la charge la plus utilis\u00e9e"},"content":{"rendered":"<p>En mati\u00e8re de charges industrielles, un mat\u00e9riau est quasiment omnipr\u00e9sent : des tuyaux en PVC aux coques de t\u00e9l\u00e9phone, en passant par la peinture au latex et m\u00eame les suppl\u00e9ments de calcium dans le pain.<br>Ce mat\u00e9riau est <a href=\"https:\/\/calcium-carbonate.epic-powder.com\/fr\/machines\/\">carbonate de calcium (CaCO\u2083)<\/a>.<\/p>\n\n\n\n<p>Abondant, \u00e9conomique et performant, le carbonate de calcium est un mat\u00e9riau polyvalent par excellence. Il permet non seulement de r\u00e9duire les co\u00fbts, mais aussi d&#039;am\u00e9liorer les performances\u00a0: un v\u00e9ritable atout industriel \u00e0 double fonction. D\u00e9couvrons comment ce min\u00e9ral modeste est devenu un pilier essentiel des industries modernes.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"518\" src=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/10\/calcium-carbonate-2.webp\" alt=\"carbonate de calcium\" class=\"wp-image-3592\" srcset=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/10\/calcium-carbonate-2.webp 800w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/10\/calcium-carbonate-2-300x194.webp 300w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/10\/calcium-carbonate-2-768x497.webp 768w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/10\/calcium-carbonate-2-18x12.webp 18w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Tout d&#039;abord, renseignez-vous sur le carbonate de calcium\u00a0: les trois types<\/h2>\n\n\n\n<p>Bien que tous soient appel\u00e9s carbonate de calcium, leurs origines et leurs propri\u00e9t\u00e9s diff\u00e8rent consid\u00e9rablement.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th><strong>Taper<\/strong><\/th><th><strong>Source<\/strong><\/th><th><strong>Taille des particules<\/strong><\/th><th><strong>Caract\u00e9ristiques principales<\/strong><\/th><\/tr><\/thead><tbody><tr><td><strong><a href=\"https:\/\/calcium-carbonate.epic-powder.com\/fr\/astra-portfolio\/ball-mill-air-classifier-production-line-pin-mill-surface-coating-system-installation-site-in-indian\/\">Carbonate de calcium moulu (GCC)<\/a><\/strong><\/td><td>Produit par concassage et broyage de calcaire naturel ou de calcite<\/td><td>5\u2013100 \u03bcm<\/td><td>Peu co\u00fbteux, facile \u00e0 disperser, blancheur moyenne (90\u201395%), faible absorption d&#039;huile<\/td><\/tr><tr><td><strong>Carbonate de calcium pr\u00e9cipit\u00e9 (PCC)<\/strong><\/td><td>Synth\u00e9tis\u00e9 chimiquement par calcination et carbonatation du calcaire<\/td><td>0,5\u201310 \u03bcm<\/td><td>Particules fines, blancheur \u00e9lev\u00e9e (92\u201397%), forte absorption d&#039;huile, grande surface sp\u00e9cifique<\/td><\/tr><tr><td><strong>Carbonate de calcium nano (Nano-CaCO\u2083)<\/strong><\/td><td>Synth\u00e9tis\u00e9 par des m\u00e9thodes sp\u00e9ciales (par exemple, proc\u00e9d\u00e9 de carbonatation)<\/td><td>1\u2013100 nm<\/td><td>\u00c0 l&#039;\u00e9chelle nanom\u00e9trique, forte activit\u00e9 de surface, am\u00e9liore consid\u00e9rablement la r\u00e9sistance m\u00e9canique apr\u00e8s modification de surface.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/08\/ball-mill-calssifier-system-for-calcium-carbonate.webp\" alt=\"syst\u00e8me de broyage \u00e0 boulets pour le carbonate de calcium\" class=\"wp-image-3470\" srcset=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/08\/ball-mill-calssifier-system-for-calcium-carbonate.webp 800w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/08\/ball-mill-calssifier-system-for-calcium-carbonate-300x225.webp 300w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/08\/ball-mill-calssifier-system-for-calcium-carbonate-768x576.webp 768w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/08\/ball-mill-calssifier-system-for-calcium-carbonate-16x12.webp 16w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\">syst\u00e8me de broyage \u00e0 boulets pour le carbonate de calcium<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">La valeur fondamentale du carbonate de calcium<\/h2>\n\n\n\n<p>Le carbonate de calcium est souvent qualifi\u00e9 d\u2019\u00ab ingr\u00e9dient universel \u00bb de l\u2019industrie moderne pour deux raisons principales\u00a0:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">R\u00e9duction des co\u00fbts\u00a0: la v\u00e9ritable source d&#039;\u00e9conomies<\/h3>\n\n\n\n<p>Le carbonate de calcium est beaucoup moins cher que les r\u00e9sines, les caoutchoucs ou les rev\u00eatements.<br>Par exemple, l&#039;ajout de 30\u201350% GCC aux tuyaux en PVC peut remplacer pr\u00e8s de la moiti\u00e9 de la r\u00e9sine co\u00fbteuse tout en maintenant les performances.<br>Voil\u00e0 une v\u00e9ritable efficacit\u00e9 du type \u00ab d\u00e9penser moins, obtenir plus \u00bb \u2014 pas \u00e9tonnant que ce soit si populaire.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Am\u00e9lioration des performances : bien plus qu&#039;un simple produit de remplissage<\/h3>\n\n\n\n<p>Il ne s&#039;agit pas seulement de remplissage \u2014 le carbonate de calcium peut en r\u00e9alit\u00e9 am\u00e9liorer les performances\u00a0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Renforcement:<\/strong> Dans les mati\u00e8res plastiques, il augmente la duret\u00e9 et la r\u00e9sistance \u00e0 la flexion de 20 \u00e0 30 % (par exemple, les cadres de fen\u00eatres en PVC deviennent plus r\u00e9sistants \u00e0 la d\u00e9formation).<\/li>\n\n\n\n<li><strong>R\u00e9sistance \u00e0 la chaleur et au r\u00e9tr\u00e9cissement :<\/strong> Avec une temp\u00e9rature de d\u00e9composition de 825\u00b0C, il augmente la temp\u00e9rature de d\u00e9formation thermique du PP de 10 \u00e0 15\u00b0C et r\u00e9duit le retrait (par exemple, 20% CaCO\u2083 dans l&#039;ABS r\u00e9duit le retrait de 0,5% \u00e0 0,3%).<\/li>\n\n\n\n<li><strong>Meilleure aptitude au traitement\u00a0:<\/strong> Am\u00e9liore l&#039;\u00e9coulement par extrusion des plastiques et simplifie le m\u00e9lange du caoutchouc.<\/li>\n\n\n\n<li><strong>Am\u00e9lioration fonctionnelle :<\/strong> Le PCC \u00e0 haute blancheur remplace en partie le dioxyde de titane dans les rev\u00eatements, tandis que dans le caoutchouc, il am\u00e9liore la r\u00e9sistance \u00e0 l&#039;usure (prolongeant ainsi la dur\u00e9e de vie des pneus et des semelles).<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Applications \u00e9tendues dans tous les secteurs d&#039;activit\u00e9<\/h2>\n\n\n\n<p>Du b\u00e2timent \u00e0 l&#039;alimentation, le carbonate de calcium a discr\u00e8tement \u00e9tendu son influence \u00e0 presque tous les domaines.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Industrie des plastiques : le plus grand utilisateur<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Produits rigides :<\/strong> Le GCC 30\u201360% dans les tuyaux en PVC et les profil\u00e9s de fen\u00eatres les rend plus r\u00e9sistants et moins chers, et il aide \u00e0 absorber le gaz HCl nocif lors de la d\u00e9composition du PVC.<\/li>\n\n\n\n<li><strong>Produits souples :<\/strong> Le PCC 10\u201330% dans les films PVC et le cuir synth\u00e9tique offre un toucher plus doux et une meilleure r\u00e9sistance aux UV.<\/li>\n\n\n\n<li><strong>Plastiques techniques\u00a0:<\/strong> Le nano-CaCO\u2083 modifi\u00e9 am\u00e9liore la r\u00e9sistance aux chocs de l&#039;ABS et du nylon de plus de 10%.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Industrie du caoutchouc : L&#039;expert en r\u00e9sistance \u00e0 l&#039;usure<\/h3>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"800\" height=\"490\" src=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/10\/calcium-carbonate-in-Rubber-Industry.webp\" alt=\"carbonate de calcium dans l&#039;industrie du caoutchouc\" class=\"wp-image-3593\" srcset=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/10\/calcium-carbonate-in-Rubber-Industry.webp 800w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/10\/calcium-carbonate-in-Rubber-Industry-300x184.webp 300w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/10\/calcium-carbonate-in-Rubber-Industry-768x470.webp 768w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/10\/calcium-carbonate-in-Rubber-Industry-18x12.webp 18w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ajout <strong>10\u201330% GCC<\/strong> Le traitement des bandes de roulement des pneus am\u00e9liore consid\u00e9rablement la r\u00e9sistance \u00e0 l&#039;usure tout en r\u00e9duisant la consommation de caoutchouc.<\/li>\n\n\n\n<li>Dans les joints et les tuyaux, il am\u00e9liore la duret\u00e9 et les propri\u00e9t\u00e9s anti-vieillissement, ce qui permet de prolonger la dur\u00e9e de vie des produits.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Peintures et encres\u00a0: l\u2019accessoire pour sublimer votre apparence<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Peintures au latex :<\/strong> 20\u201340% GCC augmente l\u2019\u00e9paisseur du rev\u00eatement, am\u00e9liore la r\u00e9sistance au frottement et r\u00e9duit l\u2019utilisation de dioxyde de titane de 10\u201320%.<\/li>\n\n\n\n<li><strong>Encres d&#039;impression :<\/strong> Le CaCO\u2083 ultrafin ajuste la viscosit\u00e9, assurant une impression plus fluide sans colmatage.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">L\u2019industrie du papier : \u00ab L\u2019artiste de la beaut\u00e9 \u00bb<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Ajout <strong>10\u201330% GCC<\/strong> L&#039;application sur le papier culturel et d&#039;emballage am\u00e9liore la blancheur et la douceur tout en r\u00e9duisant la consommation de p\u00e2te \u00e0 papier.<\/li>\n\n\n\n<li>Dans le papier couch\u00e9, le CaCO\u2083 ultrafin remplace le kaolin, ce qui donne aux images imprim\u00e9es une luminosit\u00e9 et une clart\u00e9 sup\u00e9rieures.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Mat\u00e9riaux de construction\u00a0: le partenaire id\u00e9al pour la finition<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Mastic int\u00e9rieur :<\/strong> Contient du GCC 50\u201370% pour une application plus lisse et un pon\u00e7age plus facile.<\/li>\n\n\n\n<li><strong>Mortier ext\u00e9rieur :<\/strong> Am\u00e9liore la r\u00e9sistance et l&#039;imperm\u00e9abilit\u00e9, assurant ainsi une durabilit\u00e9 face aux intemp\u00e9ries.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"530\" src=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/10\/calcium-carbonate-in-Interior-putty.webp\" alt=\"carbonate de calcium dans le mastic d&#039;int\u00e9rieur\" class=\"wp-image-3594\" srcset=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/10\/calcium-carbonate-in-Interior-putty.webp 800w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/10\/calcium-carbonate-in-Interior-putty-300x199.webp 300w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/10\/calcium-carbonate-in-Interior-putty-768x509.webp 768w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/10\/calcium-carbonate-in-Interior-putty-18x12.webp 18w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Autres domaines : cach\u00e9s mais essentiels<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Adh\u00e9sifs et mastics :<\/strong> 30\u201350% GCC am\u00e9liore la force de liaison et r\u00e9duit le retrait apr\u00e8s durcissement.<\/li>\n\n\n\n<li><strong>CaCO\u2083 de qualit\u00e9 alimentaire :<\/strong> Utilis\u00e9 comme suppl\u00e9ment de calcium dans le pain et les comprim\u00e9s (oui, vous obtenez du vrai calcium, pas des \u00ab calculs \u00bb !).<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Technologie cl\u00e9 : Donner <a href=\"https:\/\/calcium-carbonate.epic-powder.com\/fr\/astra-portfolio\/grinding-and-classifying-system-for-the-production-of-calcium-carbonate\/\">Carbonate de calcium<\/a> un \u00ab rev\u00eatement \u00bb<\/h2>\n\n\n\n<p><a href=\"https:\/\/calcium-carbonate.epic-powder.com\/fr\/contact\/\">Carbonate de calcium<\/a> est un mat\u00e9riau polaire inorganique, tandis que les plastiques et les caoutchoucs sont des mat\u00e9riaux organiques non polaires.<br>Cette inad\u00e9quation entra\u00eene une mauvaise compatibilit\u00e9 : le CaCO\u2083 non modifi\u00e9 a tendance \u00e0 s&#039;agglom\u00e9rer et \u00e0 affaiblir la r\u00e9sistance du mat\u00e9riau.<\/p>\n\n\n\n<p>La solution ? <a href=\"https:\/\/calcium-carbonate.epic-powder.com\/fr\/surface-modification\/\">Modification de surface<\/a>, \u00e9galement appel\u00e9 \u00ab rev\u00eatement \u00bb.<br>En utilisant des agents tels que l&#039;acide st\u00e9arique ou des agents de couplage, les particules de CaCO\u2083 sont recouvertes d&#039;une couche organique qui am\u00e9liore la compatibilit\u00e9 avec les polym\u00e8res.<\/p>\n\n\n\n<p>Par exemple, l&#039;ajout de nano-CaCO\u2083 modifi\u00e9 au polypropyl\u00e8ne peut augmenter la r\u00e9sistance aux chocs de plus de 30%, m\u00eame avec une charge de seulement 5%. Le passage du carbonate de calcium de \u00ab\u00a0pierre\u00a0\u00bb \u00e0 \u00ab\u00a0\u00e9l\u00e9ment industriel fondamental\u00a0\u00bb ne tient pas \u00e0 la haute technologie, mais \u00e0 un \u00e9quilibre entre co\u00fbt et performance.<br>Aujourd&#039;hui, gr\u00e2ce au broyage ultrafin, aux nanotechnologies et \u00e0 la modification de surface, le carbonate de calcium s&#039;est orient\u00e9 vers des domaines de pointe tels que les plastiques techniques et les mat\u00e9riaux biod\u00e9gradables.<br>Ce n&#039;est plus seulement un agent de remplissage, c&#039;est un amplificateur de performance qui impulse la prochaine vague d&#039;innovation en mati\u00e8re de mat\u00e9riaux.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe title=\"Ligne de production de broyeurs \u00e0 boulets et de classificateurs pour carbonate de calcium en Inde - EPIC Powder Tech\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/nTl3U0ixPsY?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<div class=\"wp-block-contact-form-7-contact-form-selector\">\n<div class=\"wpcf7 no-js\" id=\"wpcf7-f16-o1\" lang=\"zh-CN\" dir=\"ltr\" data-wpcf7-id=\"16\">\n<div class=\"screen-reader-response\"><p role=\"status\" aria-live=\"polite\" aria-atomic=\"true\"><\/p> <ul><\/ul><\/div>\n<form action=\"\/fr\/wp-json\/wp\/v2\/posts\/3591#wpcf7-f16-o1\" method=\"post\" class=\"wpcf7-form init\" aria-label=\"\u7559\u8a00\u8868\u5355\" novalidate=\"novalidate\" data-status=\"init\" data-trp-original-action=\"\/fr\/wp-json\/wp\/v2\/posts\/3591#wpcf7-f16-o1\">\n<fieldset class=\"hidden-fields-container\"><input type=\"hidden\" name=\"_wpcf7\" value=\"16\" \/><input type=\"hidden\" name=\"_wpcf7_version\" value=\"6.1.3\" \/><input type=\"hidden\" name=\"_wpcf7_locale\" value=\"zh_CN\" \/><input type=\"hidden\" name=\"_wpcf7_unit_tag\" value=\"wpcf7-f16-o1\" \/><input type=\"hidden\" name=\"_wpcf7_container_post\" value=\"0\" \/><input type=\"hidden\" name=\"_wpcf7_posted_data_hash\" value=\"\" \/>\n<\/fieldset>\n<div class=\"keen-form\">\n\t<div class=\"one-half\">\n\t\t<p><span class=\"wpcf7-form-control-wrap\" data-name=\"your-name\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text wpcf7-validates-as-required\" aria-required=\"true\" aria-invalid=\"false\" placeholder=\"Votre nom*\" value=\"\" type=\"text\" name=\"your-name\" \/><\/span>\n\t\t<\/p>\n\t<\/div>\n\t<div class=\"one-half last\">\n\t\t<p><span class=\"wpcf7-form-control-wrap\" data-name=\"your-email\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-email wpcf7-validates-as-required wpcf7-text wpcf7-validates-as-email\" aria-required=\"true\" aria-invalid=\"false\" placeholder=\"Votre email*\" value=\"\" type=\"email\" name=\"your-email\" \/><\/span>\n\t\t<\/p>\n\t<\/div>\n\t<div class=\"one-half\">\n\t\t<p><span class=\"wpcf7-form-control-wrap\" data-name=\"pnone\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-tel wpcf7-validates-as-required wpcf7-text wpcf7-validates-as-tel\" aria-required=\"true\" aria-invalid=\"false\" placeholder=\"Votre Pnone ou Whatsapp*\" value=\"\" type=\"tel\" name=\"pnone\" \/><\/span>\n\t\t<\/p>\n\t<\/div>\n\t<div class=\"one-half last\">\n\t\t<p><span class=\"wpcf7-form-control-wrap\" data-name=\"your-subject\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text\" aria-invalid=\"false\" placeholder=\"Votre entreprise\" value=\"\" type=\"text\" name=\"your-subject\" \/><\/span>\n\t\t<\/p>\n\t<\/div>\n\t<div>\n\t\t<p><span class=\"wpcf7-form-control-wrap\" data-name=\"your-message\"><textarea cols=\"40\" rows=\"3\" maxlength=\"2000\" class=\"wpcf7-form-control wpcf7-textarea\" aria-invalid=\"false\" placeholder=\"Votre message\" name=\"your-message\"><\/textarea><\/span>\n\t\t<\/p>\n\t<\/div>\n\t<div>\n\t\t<p><input class=\"wpcf7-form-control wpcf7-submit has-spinner\" type=\"submit\" value=\"Soumettre\" \/>\n\t\t<\/p>\n\t<\/div>\n<\/div>\n<style>\n.keen-form div{margin-bottom:5px;}\n.keen-form div p{margin-bottom:0px !important;}\n.one-half,.one-third {\n position: relative;\n margin-right: 4%;\n float: left;\n z-index: 99;\n}\n.one-half { width: 40%; }\n.one-third { width: 30.66%; }\n.last {\n margin-right: 0 !important;\n clear: right;\nwidth: 40%;\n}\n@media only screen and (max-width: 767px) {\n .one-half, .one-third {\n width: 90%;\n margin-right: 0;\n }\n}\n<\/style><div class=\"wpcf7-response-output\" aria-hidden=\"true\"><\/div>\n<input type=\"hidden\" name=\"trp-form-language\" value=\"fr\"\/><\/form>\n<\/div>\n<\/div>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>En mati\u00e8re de charges industrielles, un mat\u00e9riau est omnipr\u00e9sent\u00a0: des tuyaux en PVC aux coques de t\u00e9l\u00e9phone, en passant par la peinture au latex et m\u00eame les suppl\u00e9ments de calcium dans le pain. Ce mat\u00e9riau, c\u2019est le carbonate de calcium (CaCO\u2083). Abondant, \u00e9conomique et stable, le carbonate de calcium est un mat\u00e9riau polyvalent par excellence. Il permet non seulement de r\u00e9duire les co\u00fbts, mais aussi\u2026<\/p>","protected":false},"author":1,"featured_media":3595,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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