{"id":3842,"date":"2026-03-20T14:41:53","date_gmt":"2026-03-20T06:41:53","guid":{"rendered":"https:\/\/calcium-carbonate.epic-powder.com\/?p=3842"},"modified":"2026-03-20T14:41:55","modified_gmt":"2026-03-20T06:41:55","slug":"how-to-produce-ultra-fine-treated-caco%e2%82%83-for-high-end-coatings-%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/calcium-carbonate.epic-powder.com\/pt\/how-to-produce-ultra-fine-treated-caco%e2%82%83-for-high-end-coatings-%ef%bc%9f\/","title":{"rendered":"Como produzir CaCO\u2083 tratado ultrafino para revestimentos de alta qualidade?"},"content":{"rendered":"<p><a href=\"https:\/\/calcium-carbonate.epic-powder.com\/pt\/\">carbonato de c\u00e1lcio tratado ultrafino<\/a> O carbonato de c\u00e1lcio (CaCO\u2083), frequentemente com part\u00edculas de tamanho inferior a 1 \u03bcm (d50 tipicamente entre 0,2 e 0,8 \u03bcm ou mesmo em nanoescala &lt;100 nm) e com superf\u00edcie modificada para hidrofobicidade, \u00e9 um componente funcional essencial em revestimentos de alta qualidade. Ele melhora a opacidade, o controle de brilho, a reologia, a resist\u00eancia \u00e0 abras\u00e3o e a rela\u00e7\u00e3o custo-benef\u00edcio, substituindo parcialmente o caro di\u00f3xido de tit\u00e2nio (TiO\u2082) e mantendo ou aprimorando as propriedades do filme. Em tintas arquitet\u00f4nicas premium, acabamentos automotivos, revestimentos em p\u00f3 e acabamentos industriais, o CaCO\u2083 ultrafino tratado pode representar de 10 a 30% da formula\u00e7\u00e3o, reduzindo os custos de mat\u00e9ria-prima em 15 a 25% sem comprometer o desempenho.<\/p>\n\n\n\n<p>A produ\u00e7\u00e3o desse material exige controle preciso sobre o processamento mineral, a s\u00edntese qu\u00edmica, a moagem, a classifica\u00e7\u00e3o e a modifica\u00e7\u00e3o da superf\u00edcie. Este guia completo detalha cada etapa, desde a sele\u00e7\u00e3o da mat\u00e9ria-prima at\u00e9 o controle de qualidade final, com base em pr\u00e1ticas industriais consolidadas para as rotas de carbonato de c\u00e1lcio mo\u00eddo (GCC) e carbonato de c\u00e1lcio precipitado (PCC). Ambos os m\u00e9todos podem produzir part\u00edculas ultrafinas, mas o PCC oferece uniformidade e brilho superiores para revestimentos de alta qualidade, enquanto o GCC proporciona vantagens de custo para a produ\u00e7\u00e3o em larga escala.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">1. Compreendendo os tipos e as mat\u00e9rias-primas<\/h2>\n\n\n\n<p>Existem duas formas principais:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong><a href=\"https:\/\/calcium-carbonate.epic-powder.com\/pt\/astra-portfolio\/breakthrough-in-production-capacity-for-an-indian-gcc-ground-calcium-carbonate-processing-line\/\">Carbonato de c\u00e1lcio mo\u00eddo<\/a> (CCG)<\/strong>Derivado de calc\u00e1rio, m\u00e1rmore ou giz naturais. \u00c9 processado mecanicamente e adequado para revestimentos foscos ou semibrilhantes.<\/li>\n\n\n\n<li><strong>Carbonato de c\u00e1lcio precipitado (PCC)<\/strong>Produzido sinteticamente para part\u00edculas mais finas e uniformes (geralmente com tamanho prim\u00e1rio de 0,02 a 0,4 \u03bcm) com formatos de cristal control\u00e1veis (rombo\u00e9drico de calcita, escaleno\u00e9drico ou aragonita). O PCC se destaca em formula\u00e7\u00f5es de alto brilho e alta opacidade.<\/li>\n<\/ul>\n\n\n\n<p>Mat\u00e9rias-primas para GCC: Calc\u00e1rio de alta pureza (&gt;98% CaCO\u2083, baixo SiO\u2082\/Fe\u2082O\u2083) extra\u00eddo de minas a c\u00e9u aberto ou pedreiras. Para PCC: Calc\u00e1rio calcinado para obten\u00e7\u00e3o de cal viva (CaO).<\/p>\n\n\n\n<p>Selecione mat\u00e9ria-prima com brancura &gt;95% e impurezas m\u00ednimas para atender aos padr\u00f5es de grau de revestimento (ISO 3262 ou equivalente).<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">2. Produ\u00e7\u00e3o da base ultrafina CaCO\u2083<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" 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=\"Moinho de bolas para carbonato de c\u00e1lcio mo\u00eddo + sistema de classifica\u00e7\u00e3o\" 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\" \/><figcaption class=\"wp-element-caption\">Moinho de bolas para carbonato de c\u00e1lcio mo\u00eddo + sistema de classifica\u00e7\u00e3o<\/figcaption><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Rota GCC (Moagem \u00famida\/seca para finura submicr\u00f4nica)<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Minera\u00e7\u00e3o e britagem prim\u00e1ria<\/strong>Perfurar, detonar e britar calc\u00e1rio at\u00e9 um tamanho inferior a 50 mm usando britadores de mand\u00edbulas.<\/li>\n\n\n\n<li><strong>Lavagem e Beneficiamento<\/strong>Lavagem para remover argila\/s\u00edlica; flota\u00e7\u00e3o ou separa\u00e7\u00e3o magn\u00e9tica opcionais para pureza.<\/li>\n\n\n\n<li><strong>Secagem<\/strong>Reduzir a umidade para &lt;1% em secadores rotativos.<\/li>\n\n\n\n<li><strong>Moagem grosseira<\/strong>: Raymond para malha 325\u20131250 (45\u201310 \u03bcm).<\/li>\n\n\n\n<li><strong>Moagem ultrafina<\/strong>Para part\u00edculas com tamanho inferior a 5 \u03bcm, utilize moagem \u00famida ou seca. <a href=\"https:\/\/calcium-carbonate.epic-powder.com\/pt\/machines\/ball-mill\/\">moinhos de bolas<\/a> O m\u00e9todo \u00famido utiliza dispersantes (por exemplo, poliacrilato de s\u00f3dio 0,5\u20131%) e proporciona melhor dispers\u00e3o. Os moinhos de bolas integram moagem, secagem e classifica\u00e7\u00e3o em uma \u00fanica unidade.<\/li>\n\n\n\n<li><strong>Classifica\u00e7\u00e3o<\/strong>Classificadores turbo ou a ar em circuito fechado mant\u00eam uma distribui\u00e7\u00e3o granulom\u00e9trica estreita. O objetivo \u00e9 atingir d97 &lt; 5 \u03bcm e d50 entre 0,5 e 1 \u03bcm para revestimentos. Recircule as part\u00edculas maiores.<\/li>\n<\/ol>\n\n\n\n<p>Capacidade t\u00edpica: 5\u201325 t\/h por linha de moagem. Energia: 50\u2013100 kWh\/t para part\u00edculas ultrafinas.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Rota PCC (Precipita\u00e7\u00e3o Qu\u00edmica para Controle Superior)<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Calcina\u00e7\u00e3o<\/strong>Aquecimento de calc\u00e1rio a &gt;900\u00b0C em fornos rotativos (g\u00e1s natural) \u2192 CaO + CO\u2082. Captura de CO\u2082 para reutiliza\u00e7\u00e3o.<\/li>\n\n\n\n<li><strong>Saciando<\/strong>: Suspens\u00e3o de CaO + H\u2082O \u2192 Ca(OH)\u2082 (leite de cal) em reatores de decanta\u00e7\u00e3o (\u00e1gua:cal 4:1, temperatura 79\u201390 \u00b0C). Temperaturas mais altas produzem part\u00edculas mais finas. Remover a areia com peneiras de 60\u2013325 mesh.<\/li>\n\n\n\n<li><strong>Carbonata\u00e7\u00e3o<\/strong>Injetar CO\u2082 em suspens\u00e3o resfriada (condi\u00e7\u00f5es frias favorecem a nanoescala) em reatores. Controlar o pH (9\u201311), a temperatura (20\u201340 \u00b0C), a concentra\u00e7\u00e3o (6\u201310% Ca(OH)\u2082) e a agita\u00e7\u00e3o para obter a morfologia desejada. Rea\u00e7\u00e3o: Ca(OH)\u2082 + CO\u2082 \u2192 CaCO\u2083 + H\u2082O.<\/li>\n\n\n\n<li><strong>Matura\u00e7\u00e3o\/Filtra\u00e7\u00e3o<\/strong>: Mistura de envelhecimento, filtrar at\u00e9 obter uma torta de s\u00f3lidos de 40\u201360%.<\/li>\n\n\n\n<li><strong>Secagem\/Desaglomera\u00e7\u00e3o<\/strong>Secagem por aspers\u00e3o ou secagem instant\u00e2nea, seguida de moagem a jato ou em moinho de pinos para dispers\u00e3o final. Para part\u00edculas ultrafinas (&lt;0,1 \u03bcm), adicione modificadores de cristal (por exemplo, sais de Mg) durante a carbonata\u00e7\u00e3o ou utilize reatores de microemuls\u00e3o\/leito rotativo.<\/li>\n<\/ol>\n\n\n\n<p>O PCC permite a obten\u00e7\u00e3o de part\u00edculas prim\u00e1rias com tamanho de at\u00e9 20\u201370 nm e alta \u00e1rea superficial espec\u00edfica (SSA 18\u201370 m\u00b2\/g). Rendimento: Alta pureza (&gt;99%), brancura 96\u201399%.<\/p>\n\n\n\n<p>P\u00f3s-retifica\u00e7\u00e3o para ambos: Combinar com classificadores para d50 &lt;0,8 \u03bcm, adequados para revestimentos de alta qualidade.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">3. S<a href=\"https:\/\/calcium-carbonate.epic-powder.com\/pt\/surface-modification\/\">Tratamento de superf\u00edcie<\/a> \u2013 A chave para um desempenho \u201ctratado\u201d<\/h2>\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\/2026\/01\/Surface-Modification-of-Calcium-Carbonate.webp\" alt=\"Modifica\u00e7\u00e3o da superf\u00edcie do carbonato de c\u00e1lcio\" class=\"wp-image-3810\" srcset=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/01\/Surface-Modification-of-Calcium-Carbonate.webp 800w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/01\/Surface-Modification-of-Calcium-Carbonate-300x300.webp 300w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/01\/Surface-Modification-of-Calcium-Carbonate-150x150.webp 150w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/01\/Surface-Modification-of-Calcium-Carbonate-768x768.webp 768w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/01\/Surface-Modification-of-Calcium-Carbonate-12x12.webp 12w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\">Modifica\u00e7\u00e3o da superf\u00edcie do carbonato de c\u00e1lcio<\/figcaption><\/figure>\n\n\n\n<p>O CaCO\u2083 n\u00e3o tratado \u00e9 hidrof\u00edlico e aglomera-se em ligantes org\u00e2nicos. O tratamento (com o agente de revestimento 1-3%) torna-o hidrof\u00f3bico, melhora a dispers\u00e3o, reduz a absor\u00e7\u00e3o de \u00f3leo e aumenta a compatibilidade com resinas (acr\u00edlicas, alqu\u00eddicas e de poliuretano).<\/p>\n\n\n\n<p>M\u00e9todos comuns:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Revestimento de \u00e1cido este\u00e1rico (o mais comum para revestimentos)<\/strong>Dissolva o \u00e1cido este\u00e1rico (ou \u00e1cidos graxos) e pulverize sobre o p\u00f3 seco (processo a seco) ou adicione \u00e0 pasta \u00famida (processo \u00famido). Em seguida, moa em um moinho de pinos ou m\u00e1quina de revestimento para garantir uma cobertura de monocamada (dosagem de aproximadamente 1%, ajustada pela SSA: part\u00edculas mais finas requerem uma quantidade ligeiramente maior). A extremidade \u00e1cida se liga ao CaCO\u2083; a cauda de hidrocarboneto se orienta para fora.<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Modifica\u00e7\u00e3o de Superf\u00edcie \u00damida<\/strong>Em suspens\u00e3o aquosa (s\u00f3lidos 5\u201380%), ajuste o pH para 7,5\u201312, adicione os agentes (\u00e1cidos graxos insaturados, derivados de anidrido succ\u00ednico, silanos, \u00e1cidos res\u00ednicos ou polibutadieno maleado), misture a 30\u2013120\u00b0C e, em seguida, seque (40\u2013160\u00b0C sob v\u00e1cuo, se necess\u00e1rio).<\/li>\n\n\n\n<li> <strong>Outros Avan\u00e7ados<\/strong>: Mecanoqu\u00edmico (moagem de alta cisalhamento com modificador), agentes de acoplamento (titanato\/silano para solventes) ou in situ durante a filtra\u00e7\u00e3o de PCC (\u00e1cidos graxos formam estearato de c\u00e1lcio). <\/li>\n\n\n\n<li><strong>Equipamento<\/strong>M\u00e1quinas de revestimento dedicadas (por exemplo, moinhos de pinos com camisa de aquecimento, misturadores de alta velocidade ou sistema integrado de moinho de bolas + classificador + modificador). O controle de temperatura \u00e9 fundamental para evitar o excesso de revestimento.<\/li>\n<\/ul>\n\n\n\n<p>Benef\u00edcios: \u00cdndice de hidrofobicidade &gt;90%, melhor tixotropia, antissedimenta\u00e7\u00e3o, maior resist\u00eancia \u00e0 lavagem\/manchas e at\u00e9 100% de substitui\u00e7\u00e3o de alguns extensores em formula\u00e7\u00f5es.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">4. Linha de Produ\u00e7\u00e3o Integrada e Par\u00e2metros<\/h2>\n\n\n\n<p>Uma planta t\u00edpica: Prepara\u00e7\u00e3o da mat\u00e9ria-prima \u2192 Moagem\/Precipita\u00e7\u00e3o \u2192 <a href=\"https:\/\/calcium-carbonate.epic-powder.com\/pt\/ultrafine-air-classifier\/\">Classifica\u00e7\u00e3o do ar<\/a> \u2192 Modifica\u00e7\u00e3o \u2192 Coleta (ciclone + filtro de mangas, poeira &lt;20 mg\/Nm\u00b3) \u2192 Embalagem.<\/p>\n\n\n\n<p>Par\u00e2metros-chave para o grau de tratamento ultrafino:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Finura: d50 0,3\u20130,7 \u03bcm, d97 &lt;2\u20135 \u03bcm, SSA 8\u201325 m\u00b2\/g.<\/li>\n\n\n\n<li>N\u00edvel de revestimento: 0,8\u20132,5 wt%.<\/li>\n\n\n\n<li>Brancura: \u226596%.<\/li>\n\n\n\n<li>pH da suspens\u00e3o: 8\u201310.<\/li>\n\n\n\n<li>Umidade final: &lt;0,5%.<\/li>\n\n\n\n<li>Produtividade: Controle automatizado por CLP para garantir consist\u00eancia.<\/li>\n<\/ul>\n\n\n\n<p>As f\u00e1bricas do Vietn\u00e3\/China costumam usar a modifica\u00e7\u00e3o EPIC de moinho de bolas + moinho de pinos para produzir tinta de qualidade para pintura.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"750\" height=\"750\" src=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/10\/ball-mill-classification-production-line.webp\" alt=\"linha de produ\u00e7\u00e3o de classifica\u00e7\u00e3o de moinho de bolas\" class=\"wp-image-3586\" srcset=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/10\/ball-mill-classification-production-line.webp 750w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/10\/ball-mill-classification-production-line-300x300.webp 300w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/10\/ball-mill-classification-production-line-150x150.webp 150w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/10\/ball-mill-classification-production-line-12x12.webp 12w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">5. Controle de Qualidade e Testes<\/h2>\n\n\n\n<p>O rigoroso controle de qualidade garante a adequa\u00e7\u00e3o:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>PSD<\/strong>Difra\u00e7\u00e3o a laser (\u00famida para superf\u00edcies sem revestimento, IPA para superf\u00edcies revestidas).<\/li>\n\n\n\n<li><strong>Brancura\/Brilho<\/strong>Medidores Hunter ou ISO.<\/li>\n\n\n\n<li><strong>Hidrofobicidade<\/strong>Teste de flutua\u00e7\u00e3o ou \u00e2ngulo de contato &gt;120\u00b0.<\/li>\n\n\n\n<li><strong>Absor\u00e7\u00e3o de \u00f3leo<\/strong>: &lt;20\u201330 g\/100 g p\u00f3s-tratamento.<\/li>\n\n\n\n<li><strong>Pureza\/Impurezas<\/strong>Insol\u00faveis em \u00e1cido &lt;0,5%, metais pesados conforme especifica\u00e7\u00f5es.<\/li>\n\n\n\n<li><strong>Dispers\u00e3o<\/strong>Medidor de Hegman ou viscosidade em tinta para modelismo.<\/li>\n\n\n\n<li><strong>Testes de desempenho<\/strong>Incorporar em revestimento de laborat\u00f3rio; verificar opacidade (rela\u00e7\u00e3o de contraste), brilho (60\u00b0), reologia e ciclos de lavagem.<\/li>\n<\/ul>\n\n\n\n<p>Testes em lote, conformidade com a norma ISO 9001 e amostragem representativa s\u00e3o essenciais. Monitore durante a produ\u00e7\u00e3o com analisadores online.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">6. Aplica\u00e7\u00f5es e benef\u00edcios de desempenho em revestimentos de alta qualidade<\/h2>\n\n\n\n<p>Em revestimentos de alta qualidade:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Opacidade\/Ocultar<\/strong>Part\u00edculas finas dispersam a luz; substitui o TiO\u2082 10\u201320%.<\/li>\n\n\n\n<li><strong>Brilho\/Nivelamento<\/strong>A distribui\u00e7\u00e3o uniforme do PSD evita o emaranhamento; a vers\u00e3o tratada facilita o fluxo.<\/li>\n\n\n\n<li><strong>Reologia<\/strong>Aumenta a tixotropia, prevenindo a flacidez\/assentamento.<\/li>\n\n\n\n<li><strong>Durabilidade<\/strong>Melhora a ades\u00e3o e a resist\u00eancia \u00e0s intemp\u00e9ries\/\u00e0 abras\u00e3o.<\/li>\n\n\n\n<li>Especificidades: O tratamento nanoestruturado com 2-5% em tintas l\u00e1tex aumenta a estabilidade da lata; a vers\u00e3o ultrafina em aplica\u00e7\u00f5es automotivas proporciona um acabamento liso; e em revestimentos em p\u00f3, melhora a fluidez.<\/li>\n<\/ul>\n\n\n\n<p>Estudos mostram que o PCC ultrafino permite formula\u00e7\u00f5es de alto desempenho com carga de CaCO\u2083 100% em alguns revestimentos ecol\u00f3gicos experimentais.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">7. Desafios, Seguran\u00e7a e Sustentabilidade<\/h2>\n\n\n\n<p>Desafios: Aglomera\u00e7\u00e3o (resolvida por tratamento\/dispersantes), alto consumo de energia (mitigado por moinhos eficientes), efluentes no processo \u00famido (reciclagem). Seguran\u00e7a: Controle de poeira (\u00e0 prova de explos\u00e3o), EPI para modificadores. Meio ambiente: Utiliza\u00e7\u00e3o de CO\u2082 capturado, fornos de baixa emiss\u00e3o, reciclagem de \u00e1gua; busca por PCC verde a partir de gases de combust\u00e3o.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><a href=\"https:\/\/calcium-carbonate.epic-powder.com\/pt\/contact\/\">Conclus\u00e3o<\/a><\/h2>\n\n\n\n<p>A produ\u00e7\u00e3o de CaCO\u2083 tratado ultrafino exige conhecimento integrado em mineralogia, qu\u00edmica e engenharia mec\u00e2nica. Seguindo rotas otimizadas de GCC ou PCC com moagem precisa, carbonata\u00e7\u00e3o e modifica\u00e7\u00e3o com \u00e1cido este\u00e1rico\/silano, os fabricantes fornecem um material de enchimento vers\u00e1til que eleva revestimentos de alta qualidade a novos n\u00edveis de desempenho e economia. Com equipamentos adequados (moinhos de bolas, classificadores de ar, m\u00e1quinas de revestimento) e controle de qualidade, os rendimentos excedem a efici\u00eancia 95%. Este processo n\u00e3o apenas atende, como supera os rigorosos requisitos da tecnologia moderna de tintas.<\/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>Obrigado pela leitura. Espero que meu artigo tenha ajudado. Deixe um coment\u00e1rio abaixo. Voc\u00ea tamb\u00e9m pode entrar em contato com o suporte online da Zelda para quaisquer outras d\u00favidas.<\/p>\n<cite>                                                                                                                                                                    \u2014 Publicado por <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=\"\/pt\/wp-json\/wp\/v2\/posts\/3842#wpcf7-f16-o1\" method=\"post\" class=\"wpcf7-form init\" aria-label=\"\u7559\u8a00\u8868\u5355\" novalidate=\"novalidate\" data-status=\"init\" data-trp-original-action=\"\/pt\/wp-json\/wp\/v2\/posts\/3842#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=\"Seu nome*\" 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=\"Seu 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=\"Seu 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=\"Sua empresa\" 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=\"Sua mensagem\" 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=\"Enviar\" \/>\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%; 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Ele melhora a opacidade, o controle de brilho, a reologia, a resist\u00eancia \u00e0 abras\u00e3o e a rela\u00e7\u00e3o custo-benef\u00edcio, substituindo parcialmente o caro di\u00f3xido de tit\u00e2nio (TiO\u2082), ao mesmo tempo que mant\u00e9m ou melhora a espessura do filme.<\/p>","protected":false},"author":1,"featured_media":3813,"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-3842","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 v26.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How to Produce Ultra-Fine Treated CaCO\u2083 for High-End Coatings \uff1f - Calcium Carbonate Production Line<\/title>\n<meta name=\"description\" content=\"Discover how to produce ultra-fine treated CaCO\u2083 (d50 0.3\u20130.8 \u03bcm, surface-modified) for high-end coatings. 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