{"id":3778,"date":"2026-01-05T11:56:39","date_gmt":"2026-01-05T03:56:39","guid":{"rendered":"https:\/\/calcium-carbonate.epic-powder.com\/?p=3778"},"modified":"2026-03-20T14:57:49","modified_gmt":"2026-03-20T06:57:49","slug":"what-is-the-core-difference-between-precipitated-calcium-carbonate-and-ground-calcium-carbonate","status":"publish","type":"post","link":"https:\/\/calcium-carbonate.epic-powder.com\/fr\/what-is-the-core-difference-between-precipitated-calcium-carbonate-and-ground-calcium-carbonate\/","title":{"rendered":"Quelle est la principale diff\u00e9rence entre le carbonate de calcium pr\u00e9cipit\u00e9 et le carbonate de calcium broy\u00e9\u00a0?"},"content":{"rendered":"<p>Dans des industries telles que les plastiques, le caoutchouc, les rev\u00eatements, la papeterie, les c\u00e2bles et les mat\u00e9riaux de construction, le carbonate de calcium est l&#039;une des charges inorganiques les plus utilis\u00e9es. Il joue un r\u00f4le crucial dans la performance des produits et la ma\u00eetrise des co\u00fbts. Cependant, en pratique, le carbonate de calcium pr\u00e9cipit\u00e9 (PCC) et <a href=\"https:\/\/calcium-carbonate.epic-powder.com\/fr\/ultrafine-powder-dry-grinding\/\">Carbonate de calcium moulu (GCC)<\/a> sont souvent confondues ou mal s\u00e9lectionn\u00e9es. Cela peut entra\u00eener une mauvaise fluidit\u00e9 de traitement, un jaunissement du produit et une augmentation des co\u00fbts de production.<\/p>\n\n\n\n<p>La diff\u00e9rence entre le PCC et le GCC ne se r\u00e9sume pas \u00e0 une simple opposition entre \u00ab l\u00e9ger \u00bb et \u00ab lourd \u00bb. Elle d\u00e9coule de proc\u00e9d\u00e9s de production fondamentalement diff\u00e9rents. Ces diff\u00e9rences engendrent des distinctions marqu\u00e9es en termes de propri\u00e9t\u00e9s physiques, de comportement lors de la transformation, de performance environnementale et de rentabilit\u00e9 globale.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"750\" height=\"420\" src=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/06\/Ground-calcium-carbonate.webp\" alt=\"carbonate de calcium moulu\" class=\"wp-image-3270\" srcset=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/06\/Ground-calcium-carbonate.webp 750w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/06\/Ground-calcium-carbonate-300x168.webp 300w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/06\/Ground-calcium-carbonate-18x10.webp 18w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Source et proc\u00e9d\u00e9 de production\u00a0: synth\u00e8se chimique vs broyage m\u00e9canique<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Carbonate de calcium pr\u00e9cipit\u00e9 (PCC) : mat\u00e9riau synth\u00e9tis\u00e9 chimiquement<\/h3>\n\n\n\n<p>Le carbonate de calcium pr\u00e9cipit\u00e9 est produit par synth\u00e8se chimique, principalement via deux voies\u00a0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Processus de carbonatation<\/strong><br>Le calcaire est calcin\u00e9 pour produire de la chaux vive (CaO) et du dioxyde de carbone (CO\u2082). La chaux vive est hydrat\u00e9e pour former une suspension d&#039;hydroxyde de calcium, dans laquelle du CO\u2082 est introduit pour la carbonatation, produisant un pr\u00e9cipit\u00e9 de carbonate de calcium. Apr\u00e8s d\u00e9shydratation, s\u00e9chage et broyage, on obtient le produit final, le PCC.<\/li>\n\n\n\n<li><strong>Processus de double d\u00e9composition<\/strong><br>Le pr\u00e9cipit\u00e9 de carbonate de calcium se forme par la r\u00e9action du carbonate de sodium avec le chlorure de calcium, suivie d&#039;un post-traitement. Dans des conditions de proc\u00e9d\u00e9 particuli\u00e8res, des modificateurs de croissance cristalline peuvent \u00eatre ajout\u00e9s pour produire <strong>carbonate de calcium pr\u00e9cipit\u00e9 de qualit\u00e9 nanom\u00e9trique<\/strong>.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Carbonate de calcium broy\u00e9 (GCC) : mat\u00e9riau transform\u00e9 physiquement<\/h3>\n\n\n\n<p>Le carbonate de calcium broy\u00e9 est produit par broyage m\u00e9canique de min\u00e9raux naturels tels que la calcite, le marbre, la craie ou les coquillages. Ce proc\u00e9d\u00e9 <strong>r\u00e9duit uniquement la taille des particules sans alt\u00e9rer leur composition chimique<\/strong>.<\/p>\n\n\n\n<p>Les \u00e9quipements courants comprennent des broyeurs Raymond, des broyeurs \u00e0 rouleaux verticaux, des broyeurs \u00e0 rouleaux annulaires et des lignes de production de broyeurs \u00e0 boulets. Parmi eux, les <strong><a href=\"https:\/\/calcium-carbonate.epic-powder.com\/fr\/machines\/ball-mill\/\">syst\u00e8me broyeur \u00e0 boulets + classificateur<\/a><\/strong> est une solution classique pour la production de GCC ultrafin. Elle se caract\u00e9rise par un fonctionnement en circuit ferm\u00e9 continu, une classification multi-\u00e9tapes et une grande capacit\u00e9 de ligne unique (charge circulante de 300% \u00e0 500%), permettant une production efficace de poudres fines et ultrafines avec D97 = 5\u201345 \u03bcm, adapt\u00e9es \u00e0 la fabrication industrielle \u00e0 grande \u00e9chelle.<\/p>\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\/2026\/01\/Ground-Calcium-Carbonate-Ball-Mill-Classifier-System.webp\" alt=\"Syst\u00e8me de broyage \u00e0 billes et de classification du carbonate de calcium broy\u00e9\" class=\"wp-image-3779\" srcset=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/01\/Ground-Calcium-Carbonate-Ball-Mill-Classifier-System.webp 800w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/01\/Ground-Calcium-Carbonate-Ball-Mill-Classifier-System-300x225.webp 300w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/01\/Ground-Calcium-Carbonate-Ball-Mill-Classifier-System-768x576.webp 768w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/01\/Ground-Calcium-Carbonate-Ball-Mill-Classifier-System-16x12.webp 16w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Diff\u00e9rences fondamentales en mati\u00e8re de propri\u00e9t\u00e9s physiques<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Masse volumique apparente<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>CCG<\/strong>: Densit\u00e9 apparente plus \u00e9lev\u00e9e de 0,8 \u00e0 1,3 g\/cm\u00b3, volume d&#039;emballage plus petit, g\u00e9n\u00e9ralement 25 kg par sac.<\/li>\n\n\n\n<li><strong>PCC<\/strong>: Densit\u00e9 apparente plus faible de 0,5 \u00e0 0,7 g\/cm\u00b3 ; le nano PCC peut avoir une densit\u00e9 aussi basse que 0,28 g\/cm\u00b3, ce qui permet d&#039;obtenir un volume d&#039;emballage nettement plus important pour un m\u00eame poids, souvent conditionn\u00e9 dans des sacs de 15 kg ou 20 kg.<\/li>\n<\/ul>\n\n\n\n<p>L&#039;industrie utilise souvent <strong>volume de s\u00e9dimentation<\/strong> pour quantifier cette diff\u00e9rence\u00a0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>GCC\u00a0: 1,1\u20131,4 mL\/g<\/li>\n\n\n\n<li>PCC : 2,4\u20132,8 mL\/g<\/li>\n\n\n\n<li>Nano PCC : jusqu&#039;\u00e0 3,0\u20134,0 mL\/g<\/li>\n<\/ul>\n\n\n\n<p>(Un volume de s\u00e9dimentation plus important indique une granulom\u00e9trie plus fine, une densit\u00e9 apparente plus faible et une qualit\u00e9 de produit sup\u00e9rieure.)<\/p>\n\n\n\n<p>Le <strong>La diff\u00e9rence de densit\u00e9 r\u00e9elle est faible.<\/strong> (GCC\u00a0: 2,6\u20132,9\u00a0g\/cm\u00b3\u00a0; PCC\u00a0: 2,4\u20132,6\u00a0g\/cm\u00b3). Les diff\u00e9rences de densit\u00e9 apparente proviennent principalement de la morphologie des particules\u00a0: les particules de PCC sont g\u00e9n\u00e9ralement fusiformes ou en forme de grain de riz et peu compactes, tandis que les particules de GCC sont des particules irr\u00e9guli\u00e8res et massives qui s\u2019empilent plus de mani\u00e8re plus compacte.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Blancheur<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>CCG<\/strong>Influenc\u00e9 par les impuret\u00e9s min\u00e9rales ; g\u00e9n\u00e9ralement 89%\u201393%, rarement jusqu&#039;\u00e0 95%.<\/li>\n\n\n\n<li><strong>PCC<\/strong>: Puret\u00e9 sup\u00e9rieure gr\u00e2ce \u00e0 la synth\u00e8se chimique ; g\u00e9n\u00e9ralement 92%\u201395%, avec des qualit\u00e9s sup\u00e9rieures atteignant 96%\u201397%, ce qui le rend plus adapt\u00e9 aux produits en plastique et en caoutchouc haut de gamme et de couleur claire.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Teneur en humidit\u00e9<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>CCG<\/strong>: Faible et stable teneur en humidit\u00e9 (0,2%\u20130,3%, qualit\u00e9s sup\u00e9rieures \u22640,1%).<\/li>\n\n\n\n<li><strong>PCC<\/strong>: Teneur en humidit\u00e9 plus \u00e9lev\u00e9e et plus variable (0,3%\u20130,8%).<\/li>\n<\/ul>\n\n\n\n<p>L&#039;exp\u00e9rience traditionnelle sugg\u00e8re qu&#039;une humidit\u00e9 proche de 1% indique g\u00e9n\u00e9ralement un PCC, tandis que \u22640,1% est typique du GCC.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Taille et morphologie des particules<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>CCG<\/strong>: Taille des particules 0,5\u201345 \u03bcm, formes irr\u00e9guli\u00e8res (cubiques, poly\u00e9driques, etc.), structure cristalline d\u00e9termin\u00e9e par le min\u00e9ral brut (par exemple, hexagonale pour la calcite, cubique pour le marbre) ; le broyage ne modifie pas la forme cristalline.<\/li>\n\n\n\n<li><strong>PCC<\/strong>Granulom\u00e9trie standard de 0,5 \u00e0 15 \u03bcm (en forme de fuseau)\u00a0; granulom\u00e9trie nanom\u00e9trique de 20 \u00e0 200 nm. La morphologie des particules peut \u00eatre contr\u00f4l\u00e9e d\u00e9lib\u00e9r\u00e9ment \u00e0 l\u2019aide d\u2019additifs (acides, bases, compos\u00e9s organiques), produisant des formes rhombo\u00e9driques, sph\u00e9riques, en b\u00e2tonnets et autres.<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/09\/Limestone-grinding-mill.webp\" alt=\"Broyeur \u00e0 calcaire\" class=\"wp-image-3497\" srcset=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/09\/Limestone-grinding-mill.webp 800w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/09\/Limestone-grinding-mill-300x300.webp 300w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/09\/Limestone-grinding-mill-150x150.webp 150w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/09\/Limestone-grinding-mill-768x768.webp 768w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/09\/Limestone-grinding-mill-12x12.webp 12w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\">Broyeur \u00e0 calcaire<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Principales diff\u00e9rences de performance des applications<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Absorption d&#039;huile<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>PCC<\/strong>: 60\u201390 mL\/100 g<\/li>\n\n\n\n<li><strong>CCG<\/strong>: 40\u201360 mL\/100 g<\/li>\n<\/ul>\n\n\n\n<p>Une absorption d&#039;huile plus importante entra\u00eene une augmentation de la consommation d&#039;additifs liquides et de r\u00e9sines. Par exemple, lorsque l&#039;absorption d&#039;huile passe de 40 \u00e0 50 mL\/100 g, la quantit\u00e9 d&#039;agent de couplage utilis\u00e9e peut augmenter d&#039;environ 30%. Par cons\u00e9quent, les formulations contenant des additifs liquides sont g\u00e9n\u00e9ralement plus adapt\u00e9es aux GCC.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Fluidit\u00e9<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>PCC<\/strong>La structure en forme de fuseau et la forte absorption d&#039;huile ont tendance \u00e0 adsorber les lubrifiants et les plastifiants, ce qui entra\u00eene une faible fluidit\u00e9 ; les ajouts sup\u00e9rieurs \u00e0 25 phr affectent significativement le traitement.<\/li>\n\n\n\n<li><strong>CCG<\/strong>La structure granulaire des particules contribue \u00e0 am\u00e9liorer la fluidit\u00e9 du syst\u00e8me, sans limite sup\u00e9rieure \u00e9vidente quant au niveau d&#039;ajout.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Contr\u00f4le de la tonalit\u00e9 des couleurs<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>CCG<\/strong>La teinte d\u00e9pend de la source min\u00e9rale (par exemple, une teinte bleu\u00e2tre du Sichuan, une teinte rouge\u00e2tre du Guangxi) et ne peut \u00eatre modifi\u00e9e par broyage.<\/li>\n\n\n\n<li><strong>PCC<\/strong>La teinte peut \u00eatre ajust\u00e9e gr\u00e2ce au contr\u00f4le des cristaux. Sa nuance bleut\u00e9e naturelle permet de neutraliser le jaunissement des produits en PVC, ce qui explique en grande partie pourquoi les formulations traditionnelles de PVC privil\u00e9gient le PCC.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Valeur du pH et performances environnementales<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>PCC<\/strong>Le pH du PCC est de 9 \u00e0 10, soit une alcalinit\u00e9 plus forte que celle du GCC (pH 8 \u00e0 9). Lors de l&#039;incin\u00e9ration, le PCC absorbe plus facilement les gaz acides tels que le HCl et le H\u2082S, r\u00e9duisant ainsi le risque de formation de dioxines et r\u00e9pondant mieux aux exigences environnementales.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Prix<\/h3>\n\n\n\n<p>GCC dispose d&#039;un processus de traitement plus simple et est g\u00e9n\u00e9ralement <strong>Le 30% est environ moins cher que le PCC \u00e0 taille de particules \u00e9gale.<\/strong>, offrant des avantages \u00e9conomiques \u00e9vidents.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Conclusion<\/h2>\n\n\n\n<p>Il n&#039;y a pas de diff\u00e9rence absolue entre le carbonate de calcium pr\u00e9cipit\u00e9 et le carbonate de calcium broy\u00e9\u00a0; il n&#039;y a que l&#039;ad\u00e9quation \u00e0 des applications sp\u00e9cifiques.<br><strong>CCG<\/strong>, gr\u00e2ce \u00e0 son faible co\u00fbt, sa bonne fluidit\u00e9 et sa faible absorption d&#039;huile, est le premier choix pour la r\u00e9duction des co\u00fbts \u00e0 grande \u00e9chelle gr\u00e2ce \u00e0 une charge de remplissage \u00e9lev\u00e9e.<br>Le PCC pr\u00e9sente une blancheur \u00e9lev\u00e9e, une granulom\u00e9trie fine et une structure cristalline contr\u00f4lable. Il joue un r\u00f4le irrempla\u00e7able dans le renforcement haut de gamme, le contr\u00f4le des performances optiques et les applications respectueuses de l&#039;environnement.<\/p>\n\n\n\n<p>En pratique, de plus en plus de fabricants adoptent des formulations hybrides. Ils utilisent du carbonate de calcium granul\u00e9 (GCC) pour r\u00e9duire les co\u00fbts et la viscosit\u00e9, tout en incorporant du carbonate de calcium polycristallin (PCC) pour am\u00e9liorer la r\u00e9sistance et la blancheur. Cette strat\u00e9gie combin\u00e9e devient une nouvelle tendance dans les applications du carbonate de calcium.<\/p>\n\n\n\n<p>Pour le traitement ultrafin du carbonate de calcium broy\u00e9, <strong>lignes de production de broyeurs \u00e0 boulets et de classificateurs<\/strong> depuis <a href=\"https:\/\/calcium-carbonate.epic-powder.com\/fr\/contact\/\">Poudre \u00e9pique de Qingdao<\/a> Ces machines sont largement reconnues. Elles offrent un rendement \u00e9lev\u00e9, des \u00e9conomies d&#039;\u00e9nergie et un contr\u00f4le pr\u00e9cis de la granulom\u00e9trie. Elles ont \u00e9t\u00e9 mises en \u0153uvre avec succ\u00e8s dans de nombreux projets \u00e0 travers le monde. Cela permet aux clients de produire \u00e0 grande \u00e9chelle des poudres GCC de haute qualit\u00e9 et favorise un d\u00e9veloppement industriel plus respectueux de l&#039;environnement.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity is-style-default\"\/>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized is-style-rounded\"><img loading=\"lazy\" decoding=\"async\" width=\"721\" height=\"721\" src=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/11\/Emily-Chen.webp\" alt=\"Emily Chen\" class=\"wp-image-3708\" style=\"width:150px;height:150px\" srcset=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/11\/Emily-Chen.webp 721w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/11\/Emily-Chen-300x300.webp 300w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/11\/Emily-Chen-150x150.webp 150w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/11\/Emily-Chen-12x12.webp 12w\" sizes=\"(max-width: 721px) 100vw, 721px\" \/><\/figure>\n\n\n\n<blockquote class=\"wp-block-quote has-text-align-center is-style-large is-layout-flow wp-block-quote-is-layout-flow\">\n<p>\u00ab Merci de votre lecture. J\u2019esp\u00e8re que cet article vous sera utile. N\u2019h\u00e9sitez pas \u00e0 laisser un commentaire ci-dessous. Pour toute question, vous pouvez \u00e9galement contacter le service client en ligne de Zelda. \u00bb<\/p>\n<cite>                                                                                                                              \u2014 Publi\u00e9 par <a href=\"https:\/\/www.linkedin.com\/company\/76603359\/admin\/dashboard\/\">Emily Chen<\/a><\/cite><\/blockquote>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity is-style-default\"\/>\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\/3778#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\/3778#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<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>","protected":false},"excerpt":{"rendered":"<p>Dans des secteurs tels que les plastiques, le caoutchouc, les rev\u00eatements, la papeterie, les c\u00e2bles et les mat\u00e9riaux de construction, le carbonate de calcium est l&#039;une des charges inorganiques les plus utilis\u00e9es. Il joue un r\u00f4le crucial dans la performance des produits et la ma\u00eetrise des co\u00fbts. Cependant, en pratique, le carbonate de calcium pr\u00e9cipit\u00e9 (PCC) et le carbonate de calcium broy\u00e9 (GCC) sont souvent confondus ou mal choisis. Cela peut [\u2026]<\/p>","protected":false},"author":1,"featured_media":3779,"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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