{"id":3589,"date":"2025-12-23T13:37:07","date_gmt":"2025-12-23T05:37:07","guid":{"rendered":"https:\/\/quartz-grinding.epic-powder.com\/?p=3589"},"modified":"2026-03-19T15:14:37","modified_gmt":"2026-03-19T07:14:37","slug":"which-process-is-more-suitable-for-silica-ultrafine-grinding-white-carbon-black-jet-mill-or-mechanical-mill","status":"publish","type":"post","link":"https:\/\/quartz-grinding.epic-powder.com\/fr\/which-process-is-more-suitable-for-silica-ultrafine-grinding-white-carbon-black-jet-mill-or-mechanical-mill\/","title":{"rendered":"Quel proc\u00e9d\u00e9 est le plus adapt\u00e9 au broyage ultrafin de la silice (noir de carbone blanc)\u00a0: broyeur \u00e0 jet ou broyeur m\u00e9canique\u00a0?"},"content":{"rendered":"<p>La silice (noir de carbone blanc), y compris la silice pr\u00e9cipit\u00e9e et la silice pyrog\u00e9n\u00e9e, est une charge inorganique haute performance largement utilis\u00e9e pour le renforcement du caoutchouc, le contr\u00f4le de la rh\u00e9ologie des rev\u00eatements et le renforcement transparent du caoutchouc de silicone. Le broyage ultrafin de la silice (g\u00e9n\u00e9ralement D50 &lt; 10 \u03bcm, voire \u00e0 l&#039;\u00e9chelle submicronique) influe directement sur la surface sp\u00e9cifique, la dispersibilit\u00e9, la puret\u00e9 et les performances de renforcement.<\/p>\n\n\n\n<p>Le plus courant <a href=\"https:\/\/quartz-grinding.epic-powder.com\/fr\/\">broyage ultrafin<\/a> les technologies sont <a href=\"https:\/\/quartz-grinding.epic-powder.com\/fr\/machines\/jet-mill\/\">broyeur \u00e0 jet<\/a>broyage m\u00e9canique (tels que les broyeurs \u00e0 agitation, les broyeurs \u00e0 vibrations, <a href=\"https:\/\/quartz-grinding.epic-powder.com\/fr\/machines\/ball-mill\/\">broyeurs \u00e0 boulets<\/a>, et d&#039;autres broyeurs \u00e0 impact ou \u00e0 friction). En raison de leurs principes de fonctionnement diff\u00e9rents, ces deux proc\u00e9d\u00e9s pr\u00e9sentent des diff\u00e9rences de performance significatives lorsqu&#039;ils sont appliqu\u00e9s \u00e0 la silice.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"712\" height=\"570\" src=\"https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2025\/12\/white-carbon-black.webp\" alt=\"noir de carbone blanc\" class=\"wp-image-3590\" srcset=\"https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2025\/12\/white-carbon-black.webp 712w, https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2025\/12\/white-carbon-black-300x240.webp 300w, https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2025\/12\/white-carbon-black-15x12.webp 15w\" sizes=\"(max-width: 712px) 100vw, 712px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Comparaison des principes de broyage<\/h2>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Article<\/th><th>Broyeur \u00e0 jet (\u00e0 lit fluidis\u00e9, \u00e0 jet oppos\u00e9 ou \u00e0 jet plat)<\/th><th>Broyeur m\u00e9canique (broyeurs \u00e0 agitation, \u00e0 vibration, \u00e0 impact, etc.)<\/th><\/tr><\/thead><tbody><tr><td>Principe de broyage<\/td><td>Collision et friction entre particules induites par un flux d&#039;air \u00e0 grande vitesse (supersonique), sans milieu de broyage m\u00e9canique<\/td><td>Impact, cisaillement et frottement g\u00e9n\u00e9r\u00e9s par des marteaux, des lames, des billes de broyage ou des agitateurs<\/td><\/tr><tr><td>Contr\u00f4le de la temp\u00e9rature<\/td><td>Broyage \u00e0 basse temp\u00e9rature (refroidissement par effet Joule-Thomson), accumulation de chaleur quasi nulle<\/td><td>G\u00e9n\u00e9ration de chaleur importante due au frottement m\u00e9canique (95\u201399% d&#039;\u00e9nergie convertie en chaleur)<\/td><\/tr><tr><td>Puret\u00e9 du produit<\/td><td>Absence de contamination du milieu, haute puret\u00e9 (particuli\u00e8rement adapt\u00e9 \u00e0 la silice de haute puret\u00e9)<\/td><td>Risque de contamination par des m\u00e9taux ou des fluides ; n\u00e9cessite des rev\u00eatements r\u00e9sistants \u00e0 l&#039;usure<\/td><\/tr><tr><td>Distribution granulom\u00e9trique<\/td><td>Distribution granulom\u00e9trique \u00e9troite, forme r\u00e9guli\u00e8re des particules, sph\u00e9ricit\u00e9 \u00e9lev\u00e9e, surface lisse<\/td><td>R\u00e9partition plus large, sujette aux particules irr\u00e9guli\u00e8res et aux fines excessives.<\/td><\/tr><tr><td>Duret\u00e9 applicable<\/td><td>Convient aux mat\u00e9riaux dont la duret\u00e9 Mohs est inf\u00e9rieure \u00e0 9\u00a0; excellente r\u00e9sistance \u00e0 l\u2019usure<\/td><td>Id\u00e9al pour les mat\u00e9riaux peu durs\u00a0; usure importante lors du traitement de mat\u00e9riaux plus durs<\/td><\/tr><tr><td>consommation d&#039;\u00e9nergie<\/td><td>Consommation d&#039;air comprim\u00e9 relativement \u00e9lev\u00e9e<\/td><td>Inf\u00e9rieur (convient \u00e0 la production \u00e0 grande \u00e9chelle)<\/td><\/tr><tr><td>d\u00e9bit<\/td><td>Moyen (de centaines de kg\/h \u00e0 t\/h par unit\u00e9)<\/td><td>\u00c9lev\u00e9 (adapt\u00e9 \u00e0 la production de masse)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Avantages de <a href=\"https:\/\/quartz-grinding.epic-powder.com\/fr\/astra-portfolio\/epic-powder-mqw-series-jet-mill-powers-an-ultrafine-quartz-grinding-project-in-brazil\/\">Fraisage par jet<\/a> pour le broyage ultrafin de la silice<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"800\" height=\"821\" src=\"https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2025\/12\/Jet-mill-for-white-carbon-black.webp\" alt=\"Broyeur \u00e0 jet pour noir de carbone blanc\" class=\"wp-image-3591\" srcset=\"https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2025\/12\/Jet-mill-for-white-carbon-black.webp 800w, https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2025\/12\/Jet-mill-for-white-carbon-black-292x300.webp 292w, https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2025\/12\/Jet-mill-for-white-carbon-black-768x788.webp 768w, https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2025\/12\/Jet-mill-for-white-carbon-black-12x12.webp 12w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p>La silice, et plus particuli\u00e8rement la silice pyrog\u00e9n\u00e9e ou la silice pr\u00e9cipit\u00e9e de haute puret\u00e9, pr\u00e9sente des exigences extr\u00eamement \u00e9lev\u00e9es en mati\u00e8re de puret\u00e9, de dispersibilit\u00e9 et de sensibilit\u00e9 thermique. C&#039;est pourquoi les broyeurs \u00e0 jet d&#039;air sont devenus la solution privil\u00e9gi\u00e9e dans l&#039;industrie, pour les raisons suivantes\u00a0:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Haute puret\u00e9, sans contamination<\/h3>\n\n\n\n<p>Les surfaces de silice sont riches en groupes silanol (Si\u2013OH) et adsorbent facilement les impuret\u00e9s. Le broyage par jet d&#039;air \u00e9vite tout contact direct entre les pi\u00e8ces m\u00e9caniques et le mat\u00e9riau, pr\u00e9venant ainsi efficacement la pr\u00e9sence d&#039;ions ferreux ou d&#039;autres contaminants m\u00e9talliques. Ceci garantit une puret\u00e9 du SiO\u2082 sup\u00e9rieure \u00e0 99,81 % TP3T, ce qui le rend id\u00e9al pour le caoutchouc de silicone, les pneumatiques \u00e9cologiques et les mat\u00e9riaux d&#039;emballage \u00e9lectronique.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Broyage \u00e0 basse temp\u00e9rature, pr\u00e9servation de l&#039;activit\u00e9 de surface<\/h3>\n\n\n\n<p>Le broyage m\u00e9canique g\u00e9n\u00e8re des temp\u00e9ratures \u00e9lev\u00e9es susceptibles d&#039;entra\u00eener la d\u00e9shydratation des groupes silanol de surface ou des modifications structurales, r\u00e9duisant ainsi l&#039;efficacit\u00e9 du renforcement. Le broyage par jet d&#039;air est un proc\u00e9d\u00e9 instantan\u00e9 avec une \u00e9l\u00e9vation de temp\u00e9rature minimale, pouvant m\u00eame fonctionner \u00e0 basse temp\u00e9rature, pr\u00e9servant l&#039;activit\u00e9 de surface et am\u00e9liorant le renforcement et la dispersion dans les applications du caoutchouc.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Excellent contr\u00f4le de la taille des particules<\/h3>\n\n\n\n<p>Les broyeurs \u00e0 jet permettent d&#039;atteindre avec pr\u00e9cision un D50 de 1 \u00e0 10 \u03bcm, voire des tailles submicroniques, avec une distribution granulom\u00e9trique \u00e9troite et une sph\u00e9ricit\u00e9 \u00e9lev\u00e9e des particules. Ceci est essentiel pour la transparence et le renforcement du caoutchouc de silicone, ainsi que pour une faible r\u00e9sistance au roulement des pneumatiques.<br>Des exemples industriels montrent que le caoutchouc de silicone renforc\u00e9 par de la silice broy\u00e9e par jet d&#039;air peut permettre d&#039;obtenir une r\u00e9sistance \u00e0 la traction plus de 40 fois sup\u00e9rieure.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">R\u00e9sistance \u00e0 l&#039;usure et dur\u00e9e de vie des \u00e9quipements sup\u00e9rieures<\/h3>\n\n\n\n<p>La silice poss\u00e8de une duret\u00e9 relativement \u00e9lev\u00e9e (\u00e9chelle de Mohs). <strong>4\u20137<\/strong>Les broyeurs m\u00e9caniques subissent une usure importante, tandis que les broyeurs \u00e0 jet reposent sur l&#039;autocollision des particules, ce qui permet une dur\u00e9e de vie plus longue des \u00e9quipements et une maintenance r\u00e9duite.<\/p>\n\n\n\n<p><strong>Validation par l&#039;industrie\u00a0:<\/strong><br>De nombreux fabricants (tels que <strong>Poudre EPIC<\/strong>, etc.) utilisent des broyeurs \u00e0 jet \u00e0 lit fluidis\u00e9 (par exemple, la s\u00e9rie MQW) pour traiter la silice, atteignant D97 &lt; 30 \u03bcm, une surface sp\u00e9cifique \u00e9lev\u00e9e et d&#039;excellentes performances de renforcement.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Limites et applications appropri\u00e9es des broyeurs m\u00e9caniques<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2025\/12\/Air-classifier-mill-MJW900-L-1.jpg\" alt=\"Broyeur \u00e0 classificateur d&#039;air MJW900-L (1)\" class=\"wp-image-3592\" srcset=\"https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2025\/12\/Air-classifier-mill-MJW900-L-1.jpg 800w, https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2025\/12\/Air-classifier-mill-MJW900-L-1-300x300.jpg 300w, https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2025\/12\/Air-classifier-mill-MJW900-L-1-150x150.jpg 150w, https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2025\/12\/Air-classifier-mill-MJW900-L-1-768x768.jpg 768w, https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2025\/12\/Air-classifier-mill-MJW900-L-1-12x12.jpg 12w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p>Les broyeurs m\u00e9caniques pr\u00e9sentent une consommation d&#039;\u00e9nergie plus faible et un d\u00e9bit plus \u00e9lev\u00e9, ce qui les rend adapt\u00e9s au broyage primaire ou aux applications bas de gamme, mais ils pr\u00e9sentent des inconv\u00e9nients \u00e9vidents dans le broyage de la silice ultrafine\u00a0:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Risque de contamination \u00e9lev\u00e9\u00a0:<\/strong> L&#039;usure des m\u00e9dias de broyage ou des rev\u00eatements introduit des impuret\u00e9s, affectant la puret\u00e9 et la couleur dans les applications de caoutchouc haut de gamme (par exemple, les pneus verts).<\/li>\n\n\n\n<li><strong>Effets thermiques importants :<\/strong> Les temp\u00e9ratures \u00e9lev\u00e9es favorisent l&#039;agglom\u00e9ration et la d\u00e9sactivation de surface, r\u00e9duisant ainsi la surface sp\u00e9cifique et la capacit\u00e9 d&#039;adsorption.<\/li>\n\n\n\n<li><strong>Taille des particules non uniforme\u00a0:<\/strong> La pr\u00e9sence excessive de fines et de particules irr\u00e9guli\u00e8res entra\u00eene une mauvaise dispersion.<\/li>\n\n\n\n<li><strong>Usure s\u00e9v\u00e8re du mat\u00e9riel :<\/strong> La forte abrasivit\u00e9 de la silice augmente les co\u00fbts de maintenance.<\/li>\n<\/ul>\n\n\n\n<p>Les broyeurs m\u00e9caniques sont donc mieux adapt\u00e9s au broyage grossier de min\u00e9raux non m\u00e9talliques de faible duret\u00e9 ou comme \u00e9quipement de pr\u00e9-broyage en amont des broyeurs \u00e0 jet.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><a href=\"https:\/\/quartz-grinding.epic-powder.com\/fr\/contact\/\">Conclusion<\/a>Le broyage par jet d&#039;air est le meilleur choix pour le broyage ultrafin de la silice.<\/h2>\n\n\n\n<p>Pour le broyage ultrafin de la silice exigeant une puret\u00e9 \u00e9lev\u00e9e, une granulom\u00e9trie \u00e9troite, un fonctionnement \u00e0 basse temp\u00e9rature et une absence totale de contamination, le broyage par jet d&#039;air est sans conteste la solution optimale. Il est devenu le proc\u00e9d\u00e9 de pr\u00e9dilection pour la silice utilis\u00e9e dans le renforcement du caoutchouc silicone, les pneumatiques \u00e9cologiques et les rev\u00eatements haut de gamme.<\/p>\n\n\n\n<p>Bien que les broyeurs \u00e0 jet consomment davantage d&#039;\u00e9nergie, leurs avantages \u00e9conomiques continuent de s&#039;am\u00e9liorer \u00e0 mesure que la demande de produits \u00e0 haute valeur ajout\u00e9e, tels que la silice fum\u00e9e de qualit\u00e9 nanom\u00e9trique, augmente.<\/p>\n\n\n\n<p>Si la silice est destin\u00e9e \u00e0 des applications g\u00e9n\u00e9rales de charge ou \u00e0 des march\u00e9s bas de gamme \u00e0 grand volume, les broyeurs m\u00e9caniques peuvent constituer une alternative \u00e9conomique. Cependant, pour les qualit\u00e9s ultrafines haut de gamme (en particulier D50 \u2264 10 \u03bcm), un syst\u00e8me int\u00e9gr\u00e9 de broyage par jet et de classification est fortement recommand\u00e9.<\/p>\n\n\n\n<p>Pour toute s\u00e9lection d&#039;\u00e9quipement sp\u00e9cifique ou pour des \u00e9tudes de cas, n&#039;h\u00e9sitez pas \u00e0 consulter Epic Powder, fournisseur professionnel d&#039;\u00e9quipements pour le traitement des poudres.<\/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:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2025\/11\/Emily-Chen.webp\" alt=\"Emily Chen\" class=\"wp-image-3549\" style=\"width:150px;height:150px\" srcset=\"https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2025\/11\/Emily-Chen.webp 721w, https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2025\/11\/Emily-Chen-300x300.webp 300w, https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2025\/11\/Emily-Chen-150x150.webp 150w, https:\/\/quartz-grinding.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\/showcase\/107512344\/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\/3589#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\/3589#wpcf7-f16-o1\">\n<div style=\"display: none;\">\n<input type=\"hidden\" name=\"_wpcf7\" value=\"16\" \/>\n<input type=\"hidden\" name=\"_wpcf7_version\" value=\"6.0.6\" \/>\n<input type=\"hidden\" name=\"_wpcf7_locale\" value=\"zh_CN\" \/>\n<input type=\"hidden\" name=\"_wpcf7_unit_tag\" value=\"wpcf7-f16-o1\" \/>\n<input type=\"hidden\" name=\"_wpcf7_container_post\" value=\"0\" \/>\n<input type=\"hidden\" name=\"_wpcf7_posted_data_hash\" value=\"\" \/>\n<\/div>\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: 48%; 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Le broyage ultrafin de la silice (g\u00e9n\u00e9ralement D50 &lt; 10 \u03bcm, voire \u00e0 l&#039;\u00e9chelle submicronique) influe directement sur la surface sp\u00e9cifique, la dispersibilit\u00e9, la puret\u00e9 et les performances de renforcement. Les broyages ultrafins les plus courants [\u2026]<\/p>","protected":false},"author":1,"featured_media":3590,"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 center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[6],"tags":[],"class_list":["post-3589","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ultrafine-powder-grinding"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v25.0 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Which Process Is More Suitable for Silica Ultrafine Grinding (White Carbon Black): Jet Mill or Mechanical Mill? - Quartz Grinding Production Line<\/title>\n<meta name=\"description\" content=\"Silica ultrafine grinding (typically D50 &lt; 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