{"id":12097,"date":"2025-12-26T08:39:04","date_gmt":"2025-12-26T08:39:04","guid":{"rendered":"https:\/\/rawchemicalmart.com\/?p=12097"},"modified":"2026-02-09T09:08:48","modified_gmt":"2026-02-09T09:08:48","slug":"approvisionnement-en-tio2-chinois-guide-complet-des-procedes-au-chlorure-et-au-sulfate-et-des-meilleures-qualites","status":"publish","type":"post","link":"https:\/\/rawchemicalmart.com\/fr\/approvisionnement-en-tio2-chinois-guide-complet-des-procedes-au-chlorure-et-au-sulfate-et-des-meilleures-qualites\/","title":{"rendered":"Approvisionnement en TiO2 chinois\u00a0: Guide complet des proc\u00e9d\u00e9s au chlorure et au sulfate et des meilleures qualit\u00e9s"},"content":{"rendered":"<p>L\u2019industrie chinoise du dioxyde de titane (TiO2) conna\u00eet actuellement une transformation majeure, passant d\u2019une approche ax\u00e9e sur la \u201c quantit\u00e9 \u201d \u00e0 une approche ax\u00e9e sur la \u201c qualit\u00e9 \u201d. Pour les responsables des achats internationaux et les chimistes en recherche et d\u00e9veloppement, s\u2019orienter dans le paysage des marques chinoises peut s\u2019av\u00e9rer complexe.<\/p>\n\n\n\n<p>Le choix de la bonne qualit\u00e9 d\u00e9pend enti\u00e8rement du processus de fabrication.<strong>Chlorure<\/strong> ou <strong>Sulfate<\/strong>\u2014et la finition sp\u00e9cifique requise. Ce guide d\u00e9taille les caract\u00e9ristiques, les applications et les qualit\u00e9s haut de gamme des principaux fabricants chinois.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"heading-155e809e-eac7-4c41-a146-32d50f7f00cb--1-the-chloride-process-the-high-end-blue-standard-0\">1. Le proc\u00e9d\u00e9 au chlorure : la norme \u201c bleue \u201d haut de gamme<\/h2>\n\n\n\n<p><em>La r\u00e9f\u00e9rence en mati\u00e8re de performance<\/em><\/p>\n\n\n\n<p>Le proc\u00e9d\u00e9 au chlorure est la norme de pointe du secteur (mis au point \u00e0 l&#039;\u00e9chelle mondiale par des entreprises comme Chemours). En Chine, <strong>Groupe LB (Lomon Billions)<\/strong> est le leader incontest\u00e9 de ce secteur, tandis que d&#039;autres acteurs comme CITIC Titanium et Pangang Vanadium Titanium augmentent leurs capacit\u00e9s.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"heading-155e809e-eac7-4c41-a146-32d50f7f00cb--key-characteristics-0\">Caract\u00e9ristiques principales :<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Blancheur et sous-ton :<\/strong>\u00a0Produit un produit distinct\u00a0<strong>nuance bleue<\/strong>. Cela permet d&#039;obtenir des produits finis plus propres, plus brillants et visuellement plus \u201c blancs \u201d que les produits contenant des sulfates.<\/li>\n\n\n\n<li><strong>Puret\u00e9:<\/strong>\u00a0Le proc\u00e9d\u00e9 de distillation \u00e9limine les m\u00e9taux lourds (comme le fer), ce qui permet d&#039;obtenir des niveaux d&#039;impuret\u00e9s exceptionnellement bas.<\/li>\n\n\n\n<li><strong>Dispersion:<\/strong>\u00a0La distribution granulom\u00e9trique tr\u00e8s \u00e9troite permet une dispersion facile dans les r\u00e9sines, ce qui r\u00e9duit l&#039;\u00e9nergie n\u00e9cessaire au broyage.<\/li>\n\n\n\n<li><strong>R\u00e9sistance aux intemp\u00e9ries :<\/strong>\u00a0G\u00e9n\u00e9ralement sup\u00e9rieure aux qualit\u00e9s \u00e0 base de sulfate, elle est id\u00e9ale pour une exposition ext\u00e9rieure prolong\u00e9e.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"heading-155e809e-eac7-4c41-a146-32d50f7f00cb--ideal-applications-0\">Applications id\u00e9ales\u00a0:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Rev\u00eatements pour \u00e9quipementiers automobiles et de r\u00e9paration.<\/li>\n\n\n\n<li>Peintures architecturales ext\u00e9rieures haut de gamme.<\/li>\n\n\n\n<li>Plastiques haut de gamme (profil\u00e9s PVC, appareils \u00e9lectrom\u00e9nagers) pour lesquels le jaunissement est inacceptable.<\/li>\n\n\n\n<li>Encres d&#039;impression de haute qualit\u00e9.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"heading-155e809e-eac7-4c41-a146-32d50f7f00cb--top-chinese-grades-to-watch-0\">Les meilleures notes chinoises \u00e0 surveiller\u00a0:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Groupe LB :<\/strong>\n<ul class=\"wp-block-list\">\n<li><strong>BLR-895\u00a0:<\/strong>\u00a0Le rev\u00eatement phare, con\u00e7u pour rivaliser avec les normes internationales (comme R-902+), offrant une excellente opacit\u00e9 et une excellente r\u00e9sistance aux intemp\u00e9ries.<\/li>\n\n\n\n<li><strong>BLR-886\u00a0:<\/strong>\u00a0Sp\u00e9cialiste des mati\u00e8res plastiques avec une teinte tr\u00e8s bleue et un excellent indice de fluidit\u00e9 \u00e0 l&#039;\u00e9tat fondu.<\/li>\n\n\n\n<li><strong>BLR-896\u00a0:<\/strong>\u00a0Qualit\u00e9 ultra-r\u00e9sistante pour les rev\u00eatements industriels expos\u00e9s \u00e0 des environnements difficiles.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>CITIC Titanium (anciennement Jinzhou) :<\/strong>\n<ul class=\"wp-block-list\">\n<li><strong>CR-510\u00a0:<\/strong>\u00a0Brillance \u00e9lev\u00e9e et r\u00e9sistance aux intemp\u00e9ries pour les rev\u00eatements et les encres.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Pangang Vanadium Titane :<\/strong>\n<ul class=\"wp-block-list\">\n<li><strong>CR-350 :<\/strong>\u00a0Sp\u00e9cialement con\u00e7u pour les plastiques et offrant d&#039;excellentes propri\u00e9t\u00e9s anti-jaunissement.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"heading-155e809e-eac7-4c41-a146-32d50f7f00cb--2-the-sulfate-process-rutile-the-market-workhorse-0\">2. Le proc\u00e9d\u00e9 au sulfate (rutile)\u00a0: le pilier du march\u00e9<\/h2>\n\n\n\n<p><em>L&#039;\u00e9quilibre entre performance et co\u00fbt<\/em><\/p>\n\n\n\n<p>Il s&#039;agit de la technologie la plus aboutie en Chine. Bien que le proc\u00e9d\u00e9 soit ancien, les technologies avanc\u00e9es de traitement de surface (rev\u00eatement) permettent \u00e0 ces qualit\u00e9s d&#039;offrir des performances tr\u00e8s proches de celles des qualit\u00e9s chlor\u00e9es dans de nombreuses applications.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"heading-155e809e-eac7-4c41-a146-32d50f7f00cb--key-characteristics-1\">Caract\u00e9ristiques principales :<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Rapport co\u00fbt-efficacit\u00e9 :<\/strong>\u00a0G\u00e9n\u00e9ralement, le $150\u2013$450\/tonne est moins cher que les qualit\u00e9s chlor\u00e9es.<\/li>\n\n\n\n<li><strong>Pouvoir cach\u00e9 :<\/strong>\u00a0La structure cristalline du rutile offre un indice de r\u00e9fraction \u00e9lev\u00e9, assurant une excellente couverture.<\/li>\n\n\n\n<li><strong>Versatilit\u00e9:<\/strong>\u00a0Les fabricants utilisent divers traitements inorganiques (zirconium, aluminium, silicium) et organiques pour cr\u00e9er des centaines de qualit\u00e9s sp\u00e9cialis\u00e9es.<\/li>\n\n\n\n<li><strong>Voix basse:<\/strong>\u00a0L\u00e9g\u00e8rement plus jaune que les qualit\u00e9s chlor\u00e9es (souvent ind\u00e9tectable \u00e0 l&#039;\u0153il nu mais mesurable par des instruments).<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"heading-155e809e-eac7-4c41-a146-32d50f7f00cb--ideal-applications-1\">Applications id\u00e9ales\u00a0:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Peintures architecturales d&#039;int\u00e9rieur et d&#039;ext\u00e9rieur (utilis\u00e9es par de grandes marques comme Nippon Paint\/Dulux).<\/li>\n\n\n\n<li>Peintures anticorrosion industrielles.<\/li>\n\n\n\n<li>M\u00e9langes-ma\u00eetres, tuyaux et profils.<\/li>\n\n\n\n<li>Papier lamin\u00e9 d\u00e9coratif.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"heading-155e809e-eac7-4c41-a146-32d50f7f00cb--top-chinese-grades-to-watch-1\">Les meilleures notes chinoises \u00e0 surveiller\u00a0:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Groupe LB :<\/strong>\n<ul class=\"wp-block-list\">\n<li><strong>R-996\u00a0:<\/strong>\u00a0<strong>La \u201c norme de l\u2019industrie \u201d.\u201d<\/strong>\u00a0Il s&#039;agit de la qualit\u00e9 la plus r\u00e9pandue en Chine. C&#039;est un produit polyvalent et tr\u00e8s polyvalent, utilis\u00e9 aussi bien pour les rev\u00eatements que pour les plastiques.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Groupe Dongjia\u00a0:<\/strong>\n<ul class=\"wp-block-list\">\n<li><strong>SR-2377 :<\/strong>\u00a0Produit phare dans le domaine des rev\u00eatements et des p\u00e2tes color\u00e9es, reconnu pour sa faible absorption d&#039;huile et sa brillance \u00e9lev\u00e9e.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>CNNC Hua Yuan\u00a0:<\/strong>\n<ul class=\"wp-block-list\">\n<li><strong>R-219 :<\/strong>\u00a0Excellent pour les rev\u00eatements \u00e0 base d&#039;eau avec une excellente dispersion.<\/li>\n\n\n\n<li><strong>R-215 :<\/strong>\u00a0Une qualit\u00e9 universelle pour les plastiques et les rev\u00eatements.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u00c9toile bleue (Jinan Yuxing)\u00a0:<\/strong>\n<ul class=\"wp-block-list\">\n<li><strong>R-818 :<\/strong>\u00a0Une qualit\u00e9 universelle hautement reconnue.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"heading-155e809e-eac7-4c41-a146-32d50f7f00cb--3-the-sulfate-process-anatase-the-economic-entry-0\">3. Le proc\u00e9d\u00e9 au sulfate (anatase) : l&#039;entr\u00e9e \u00e9conomique<\/h2>\n\n\n\n<p><em>Pour applications int\u00e9rieures et sp\u00e9ciales<\/em><\/p>\n\n\n\n<p>Dans le proc\u00e9d\u00e9 au sulfate, si la temp\u00e9rature de calcination est maintenue plus basse et qu&#039;aucune conversion cristalline ne se produit, le r\u00e9sultat est du TiO2 anatase.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"heading-155e809e-eac7-4c41-a146-32d50f7f00cb--key-characteristics-2\">Caract\u00e9ristiques principales :<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Blancheur:<\/strong>\u00a0Souvent plus blanche que le rutile en raison de sa structure cristalline.<\/li>\n\n\n\n<li><strong>Douceur:<\/strong>\u00a0Une duret\u00e9 moindre entra\u00eene une usure r\u00e9duite des \u00e9quipements de production.<\/li>\n\n\n\n<li><strong>Le \u201c d\u00e9faut fatal \u201d (r\u00e9sistance aux intemp\u00e9ries) :<\/strong>\u00a0Elle pr\u00e9sente une forte photoactivit\u00e9. Utilis\u00e9e en ext\u00e9rieur, elle se poudrera rapidement sous l&#039;effet des rayons UV.\u00a0<strong>Usage strictement int\u00e9rieur.<\/strong><\/li>\n\n\n\n<li><strong>Pouvoir de dissimulation inf\u00e9rieur\u00a0:<\/strong>\u00a0Un indice de r\u00e9fraction plus faible n\u00e9cessite un volume de charge plus \u00e9lev\u00e9 pour couvrir la couleur de fond.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"heading-155e809e-eac7-4c41-a146-32d50f7f00cb--ideal-applications-2\">Applications id\u00e9ales\u00a0:<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Fabrication du papier.<\/li>\n\n\n\n<li>Rev\u00eatements muraux int\u00e9rieurs (qualit\u00e9 \u00e9conomique).<\/li>\n\n\n\n<li>D\u00e9laminage des fibres (r\u00e9duction de la brillance des tissus synth\u00e9tiques).<\/li>\n\n\n\n<li>C\u00e9ramique et \u00e9mail.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"heading-155e809e-eac7-4c41-a146-32d50f7f00cb--common-grades-0\">Notes communes :<\/h3>\n\n\n\n<p>Les marques les indiquent g\u00e9n\u00e9ralement par un <strong>\u2018&#039;UN&#039;\u2019<\/strong>. Les diff\u00e9rences entre les marques sont moins marqu\u00e9es que pour le rutile.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Groupe LB :<\/strong>\u00a0A-101 \/ MCA120<\/li>\n\n\n\n<li><strong>CNNC\u00a0:<\/strong>\u00a0A-100<\/li>\n\n\n\n<li><strong>Titane de Nanjing\u00a0:<\/strong>\u00a0NA-100<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"heading-155e809e-eac7-4c41-a146-32d50f7f00cb--technical-deep-dive-why-is-there-no-chloride-anatase-0\">Analyse technique approfondie\u00a0: Pourquoi n\u2019existe-t-il pas de \u201c\u00a0chlorure anatase\u00a0\u201d\u00a0?<\/h2>\n\n\n\n<p>Vous remarquerez peut-\u00eatre une r\u00e9gularit\u00e9\u00a0: les teneurs en chlorure sont <em>toujours<\/em> Rutile. Pourquoi ?<\/p>\n\n\n\n<p>En fin de compte, tout se r\u00e9sume \u00e0 <strong>Thermodynamique<\/strong> et <strong>\u00c9conomie<\/strong>.<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>La temp\u00e9rature d\u00e9termine la structure :<\/strong>\u00a0Le c\u0153ur du proc\u00e9d\u00e9 au chlorure est l&#039;oxydation du t\u00e9trachlorure de titane (TiCl4) \u00e0 des temp\u00e9ratures extr\u00eamement \u00e9lev\u00e9es (<strong>1200\u2103 \u2013 1500\u2103<\/strong>\u00c0 cette temp\u00e9rature, la structure m\u00e9tastable de l&#039;anatase ne peut exister ; elle se r\u00e9organise spontan\u00e9ment en une structure thermodynamiquement stable.\u00a0<strong>Rutile<\/strong>\u00a0structure.<\/li>\n\n\n\n<li><strong>L&#039;avantage du sulfate\u00a0:<\/strong>\u00a0Le proc\u00e9d\u00e9 au sulfate se termine par une \u00e9tape de calcination \u00e0 basse temp\u00e9rature (800-900 \u00b0C). Cela permet aux fabricants de \u201c\u00a0choisir\u00a0\u201d la forme cristalline en ajustant la temp\u00e9rature et en ajoutant des germes cristallins.<\/li>\n\n\n\n<li><strong>Le paradoxe \u00e9conomique :<\/strong>\u00a0Le proc\u00e9d\u00e9 au chlorure est co\u00fbteux et complexe. L&#039;anatase est un produit \u00e9conomique. M\u00eame si l&#039;on pouvait forcer le proc\u00e9d\u00e9 au chlorure \u00e0 produire de l&#039;anatase (en abaissant la temp\u00e9rature, ce qui r\u00e9duit consid\u00e9rablement son efficacit\u00e9), il serait absurde d&#039;utiliser le proc\u00e9d\u00e9 le plus on\u00e9reux au monde pour fabriquer un produit de base bon march\u00e9.<\/li>\n<\/ol>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><strong>Conclusion<\/strong><\/p>\n\n\n\n<p>Pour une blancheur \u201c\u00a0en phase bleue\u00a0\u201d et une durabilit\u00e9 de premier ordre dans les plastiques automobiles ou haut de gamme, <strong>Chlorure (groupe LB, s\u00e9rie BLR)<\/strong> est la solution de r\u00e9f\u00e9rence. Pour la grande majorit\u00e9 des applications architecturales et industrielles o\u00f9 le co\u00fbt et la performance doivent s&#039;\u00e9quilibrer, <strong>Rutile sulfate (comme le R-996)<\/strong> reste le choix judicieux.<\/p>\n\n\n\n<p><em>Vous vous approvisionnez actuellement en TiO2 en Chine\u00a0? Quelles qualit\u00e9s avez-vous trouv\u00e9es les plus efficaces pour vos applications\u00a0? Discutons-en dans les commentaires.<\/em><\/p>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p class=\"tmnf_excerpt\">Luminosit\u00e9 en phase bleue ou opacit\u00e9 \u00e9conomique\u00a0? Le choix du TiO2 chinois id\u00e9al d\u00e9pend enti\u00e8rement du proc\u00e9d\u00e9 de fabrication. Nous analysons l\u2019\u00e9cart de performance entre les technologies chlorure et sulfate et pr\u00e9sentons les meilleures qualit\u00e9s chinoises qui rivalisent avec les normes internationales. Un ouvrage indispensable pour les responsables des achats et de la R&amp;D souhaitant optimiser leur cha\u00eene d\u2019approvisionnement.\n<\/p>","protected":false},"author":3,"featured_media":12236,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[60],"tags":[],"class_list":["post-12097","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-titanium-dioxide"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Sourcing Chinese TiO2: A Comprehensive Guide to Chloride vs. Sulfate Processes and Top Grades - rawchemicalmart.com<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/rawchemicalmart.com\/fr\/approvisionnement-en-tio2-chinois-guide-complet-des-procedes-au-chlorure-et-au-sulfate-et-des-meilleures-qualites\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Sourcing Chinese TiO2: A Comprehensive Guide to Chloride vs. Sulfate Processes and Top Grades - rawchemicalmart.com\" \/>\n<meta property=\"og:description\" content=\"Blue-phase brightness or cost-effective opacity? Choosing the right Chinese TiO2 depends entirely on the manufacturing process. We analyze the performance gap between Chloride and Sulfate technologies and list the top Chinese grades that are challenging global standards. 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