{"id":3704,"date":"2026-04-09T14:44:47","date_gmt":"2026-04-09T06:44:47","guid":{"rendered":"https:\/\/quartz-grinding.epic-powder.com\/?p=3704"},"modified":"2026-04-09T14:47:46","modified_gmt":"2026-04-09T06:47:46","slug":"silica-matting-agent-vs-anti-settling-agent-how-ultrafine-grinding-determines-function","status":"publish","type":"post","link":"https:\/\/quartz-grinding.epic-powder.com\/pt\/silica-matting-agent-vs-anti-settling-agent-how-ultrafine-grinding-determines-function\/","title":{"rendered":"S\u00edlica: Agente fosqueante versus agente antissedimenta\u00e7\u00e3o \u2014 Como a moagem ultrafina determina a fun\u00e7\u00e3o"},"content":{"rendered":"<p>Em formula\u00e7\u00f5es de revestimento, a s\u00edlica (SiO2) \u00e9 onipresente. Ela aparece em tudo, desde tintas e vernizes de alto desempenho at\u00e9 revestimentos funcionais avan\u00e7ados e adesivos industriais. Mas voc\u00ea j\u00e1 se perguntou por que o mesmo composto qu\u00edmico pode tornar uma pel\u00edcula fosca em um caso e impedir a deposi\u00e7\u00e3o de pigmentos em outro? O segredo n\u00e3o est\u00e1 na composi\u00e7\u00e3o qu\u00edmica, mas na moagem ultrafina da s\u00edlica. Esse processo molda a morfologia microsc\u00f3pica das part\u00edculas, o que, por sua vez, determina seu desempenho macrosc\u00f3pico em revestimentos.<\/p>\n\n\n\n<p>Este artigo explora as diferen\u00e7as entre a s\u00edlica para revestimento e a s\u00edlica antissedimenta\u00e7\u00e3o, do ponto de vista da engenharia de part\u00edculas. Analisaremos suas estruturas f\u00edsicas, principais par\u00e2metros de moagem, aplica\u00e7\u00f5es industriais e considera\u00e7\u00f5es sobre equipamentos, oferecendo aos formuladores e engenheiros de processo informa\u00e7\u00f5es valiosas para otimizar a produ\u00e7\u00e3o de s\u00edlica funcional.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"549\" src=\"https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2025\/12\/silica-micropowder.webp\" alt=\"microp\u00f3 de s\u00edlica\" class=\"wp-image-3585\" srcset=\"https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2025\/12\/silica-micropowder.webp 800w, https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2025\/12\/silica-micropowder-300x206.webp 300w, https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2025\/12\/silica-micropowder-768x527.webp 768w, https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2025\/12\/silica-micropowder-18x12.webp 18w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">1. A ess\u00eancia de \u201cUm nome, duas fun\u00e7\u00f5es\u201d<\/h2>\n\n\n\n<p>Em ci\u00eancia dos materiais, a composi\u00e7\u00e3o qu\u00edmica constitui apenas a base. <strong>estrutura de part\u00edculas<\/strong> \u00e9 a alma. A funcionalidade da s\u00edlica \u00e9 regida principalmente por caracter\u00edsticas f\u00edsicas determinadas durante a moagem ultrafina:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Distribui\u00e7\u00e3o do Tamanho das Part\u00edculas (PSD):<\/strong> Afeta o comportamento \u00f3ptico e a visibilidade da pel\u00edcula de revestimento.<\/li>\n\n\n\n<li><strong>Morfologia de agregados:<\/strong> Determina a capacidade de construir redes tridimensionais em l\u00edquidos.<\/li>\n\n\n\n<li><strong>\u00c1rea de superf\u00edcie e porosidade:<\/strong> Determinado por for\u00e7as mec\u00e2nicas, energia de colis\u00e3o e precis\u00e3o de classifica\u00e7\u00e3o durante a moagem.<\/li>\n<\/ul>\n\n\n\n<p>A s\u00edlica atua como uma \u201cplataforma funcional\u201d vers\u00e1til. Ao ajustar <strong>fresagem a jato<\/strong> ou <strong>moinho classificador de ar (ACM)<\/strong> Dependendo dos par\u00e2metros, a mesma mat\u00e9ria-prima pode ser convertida em agentes fosqueantes, aditivos antissedimenta\u00e7\u00e3o ou p\u00f3s funcionais h\u00edbridos.<\/p>\n\n\n\n<p>Em ess\u00eancia, a engenharia de part\u00edculas converte uma entidade qu\u00edmica em m\u00faltiplas fun\u00e7\u00f5es.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">2. S\u00edlica fosca: Microarquitetos da dispers\u00e3o da luz<\/h2>\n\n\n\n<p>O efeito fosco depende da cria\u00e7\u00e3o de superf\u00edcies microrrugosas que interrompem a reflex\u00e3o especular. Aqui, <a href=\"https:\/\/quartz-grinding.epic-powder.com\/pt\/\">A moagem ultrafina de s\u00edlica desempenha um papel fundamental.<\/a> por:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Moagem ultrafina em esteiras<\/h3>\n\n\n\n<p>Os agentes fosqueantes normalmente t\u00eam origem em <strong>s\u00edlica precipitada<\/strong>Os equipamentos de moagem ultrafina desempenham diversas fun\u00e7\u00f5es cr\u00edticas:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Controle preciso do tamanho das part\u00edculas:<\/strong>\n<ul class=\"wp-block-list\">\n<li>As part\u00edculas devem ser ligeiramente maiores que a espessura final do filme ou devem sobressair ligeiramente ap\u00f3s a contra\u00e7\u00e3o do filme.<\/li>\n\n\n\n<li>Se as part\u00edculas forem muito finas (&lt;1 \u03bcm), elas ficam incorporadas na resina, perdendo a efici\u00eancia de fosqueamento.<\/li>\n\n\n\n<li>Se as part\u00edculas forem muito grossas, a rugosidade da superf\u00edcie torna-se excessiva, produzindo uma textura semelhante \u00e0 da areia.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Preserva\u00e7\u00e3o da porosidade:<\/strong>\n<ul class=\"wp-block-list\">\n<li>Os agentes fosqueantes de alto desempenho s\u00e3o porosos para otimizar a absor\u00e7\u00e3o de \u00f3leo e a dispers\u00e3o na superf\u00edcie.<\/li>\n\n\n\n<li>Avan\u00e7ado <strong>tecnologia de fresagem a jato<\/strong> Utiliza ar em alta velocidade para induzir o autoimpacto entre as part\u00edculas, evitando a destrui\u00e7\u00e3o dos poros delicados que a moagem tradicional com meios abrasivos poderia causar.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">Par\u00e2metros-chave para graus de revestimento<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Par\u00e2metro<\/th><th>Faixa t\u00edpica<\/th><th>Notas<\/th><\/tr><\/thead><tbody><tr><td>Tamanho m\u00e9dio das part\u00edculas (d50)<\/td><td>3\u201310 \u03bcm<\/td><td>Ideal para dispers\u00e3o uniforme da luz<\/td><\/tr><tr><td>Faixa de tamanho de part\u00edcula<\/td><td>1,2\u20131,5<\/td><td>O PSD estreito evita brilho inconsistente.<\/td><\/tr><tr><td>Porosidade<\/td><td>0,2\u20130,5 cm\u00b3\/g<\/td><td>Mant\u00e9m a absor\u00e7\u00e3o de \u00f3leo e o efeito mate.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"800\" height=\"447\" src=\"https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2026\/04\/The-nature-of-matte.webp\" alt=\"A natureza do fosco\" class=\"wp-image-3705\" srcset=\"https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2026\/04\/The-nature-of-matte.webp 800w, https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2026\/04\/The-nature-of-matte-300x168.webp 300w, https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2026\/04\/The-nature-of-matte-768x429.webp 768w, https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2026\/04\/The-nature-of-matte-18x10.webp 18w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p>Controlando cuidadosamente esses par\u00e2metros, os formuladores podem produzir revestimentos foscos com brilho consistente, alta transpar\u00eancia e m\u00ednima opacidade.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">3. S\u00edlica Antissedimenta\u00e7\u00e3o: Construindo Estruturas Reol\u00f3gicas<\/h2>\n\n\n\n<p>Para aplica\u00e7\u00f5es antissedimenta\u00e7\u00e3o, a moagem ultrafina de s\u00edlica concentra-se na desaglomera\u00e7\u00e3o. Ao quebrar aglomerados de part\u00edculas prim\u00e1rias sem danificar estruturas em nanoescala, garante a forma\u00e7\u00e3o de redes tixotr\u00f3picas 3D que suportam as part\u00edculas de pigmento e previnem a sedimenta\u00e7\u00e3o.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Moagem para controle reol\u00f3gico<\/h3>\n\n\n\n<p>A s\u00edlica antissedimenta\u00e7\u00e3o (frequentemente s\u00edlica fumada) \u00e9 composta por part\u00edculas prim\u00e1rias em nanoescala. O principal processo de moagem ultrafina enfatiza:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Alta reten\u00e7\u00e3o de \u00e1rea superficial:<\/strong>\n<ul class=\"wp-block-list\">\n<li>As part\u00edculas prim\u00e1rias geralmente t\u00eam entre 7 e 40 nm.<\/li>\n\n\n\n<li>Os grupos hidroxila da superf\u00edcie s\u00e3o preservados para possibilitar a forma\u00e7\u00e3o de redes de liga\u00e7\u00f5es de hidrog\u00eanio.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Desaglomera\u00e7\u00e3o:<\/strong>\n<ul class=\"wp-block-list\">\n<li>Grandes aglomerados de part\u00edculas s\u00e3o quebrados em agregados menores, adequados para a forma\u00e7\u00e3o de redes 3D.<\/li>\n\n\n\n<li>O processo mant\u00e9m a integridade das part\u00edculas prim\u00e1rias, otimizando simultaneamente a reologia.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Forma\u00e7\u00e3o de redes:<\/strong>\n<ul class=\"wp-block-list\">\n<li>As part\u00edculas ultrafinas formam uma rede tixotr\u00f3pica, que suporta as part\u00edculas de pigmento e melhora a viscosidade.<\/li>\n\n\n\n<li>Isso evita a sedimenta\u00e7\u00e3o e a forma\u00e7\u00e3o de grumos durante o armazenamento e o transporte.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">Principais caracter\u00edsticas<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Recurso<\/th><th>Valores t\u00edpicos<\/th><th>Impacto<\/th><\/tr><\/thead><tbody><tr><td>Tamanho da part\u00edcula prim\u00e1ria<\/td><td>7\u201340 nm<\/td><td>Determina a densidade da rede<\/td><\/tr><tr><td>\u00c1rea de superf\u00edcie BET<\/td><td>200\u2013400 m\u00b2\/g<\/td><td>Influencia a viscosidade e a tixotropia.<\/td><\/tr><tr><td>Tamanho do aglomerado<\/td><td>1\u20135 \u03bcm<\/td><td>F\u00e1cil dispers\u00e3o, evita aglomera\u00e7\u00e3o<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>A s\u00edlica antissedimenta\u00e7\u00e3o, quando processada corretamente, melhora a estabilidade da suspens\u00e3o sem afetar negativamente a apar\u00eancia ou o fluxo do filme.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">4. Sele\u00e7\u00e3o de Equipamentos: Moldando a Fun\u00e7\u00e3o por meio da Tecnologia<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"800\" height=\"449\" src=\"https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2025\/12\/Silica-Micropowder-Jet-Mill-Production-Line.webp\" alt=\"Linha de produ\u00e7\u00e3o de microp\u00f3 de s\u00edlica em moinho de jato\" class=\"wp-image-3597\" srcset=\"https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2025\/12\/Silica-Micropowder-Jet-Mill-Production-Line.webp 800w, https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2025\/12\/Silica-Micropowder-Jet-Mill-Production-Line-300x168.webp 300w, https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2025\/12\/Silica-Micropowder-Jet-Mill-Production-Line-768x431.webp 768w, https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2025\/12\/Silica-Micropowder-Jet-Mill-Production-Line-18x10.webp 18w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\">Linha de produ\u00e7\u00e3o de microp\u00f3 de s\u00edlica em moinho de jato<\/figcaption><\/figure>\n\n\n\n<p>A escolha do equipamento influencia diretamente o resultado da moagem ultrafina de s\u00edlica:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><a href=\"https:\/\/quartz-grinding.epic-powder.com\/pt\/machines\/jet-mill\/\">Moinho de jato<\/a>Ideal para agentes fosqueantes de alta qualidade.<\/h3>\n\n\n\n<p>Os moinhos a jato aceleram part\u00edculas usando fluxos de ar supers\u00f4nicos, causando colis\u00f5es de alta energia em uma c\u00e2mara sem o uso de meios de moagem.<\/p>\n\n\n\n<p><strong>Vantagens:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>A moagem a frio preserva a porosidade e as estruturas delicadas.<\/li>\n\n\n\n<li>Contamina\u00e7\u00e3o e gera\u00e7\u00e3o de calor m\u00ednimas.<\/li>\n<\/ul>\n\n\n\n<p><strong>Aplica\u00e7\u00f5es:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Revestimentos foscos de alta transpar\u00eancia.<\/li>\n\n\n\n<li>Revestimentos especiais para a ind\u00fastria automotiva ou industrial que exigem propriedades \u00f3pticas precisas.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Moinho Classificador de Ar (ACM): Efici\u00eancia e Versatilidade<\/h3>\n\n\n\n<p>O sistema ACM combina um rotor de moagem de alta velocidade com uma roda classificadora integrada.<\/p>\n\n\n\n<p><strong>Vantagens:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Produz distribui\u00e7\u00f5es de tamanho de part\u00edculas estreitas com alta produtividade.<\/li>\n\n\n\n<li>Um ajuste simples da velocidade do classificador permite alternar entre os modos de compacta\u00e7\u00e3o e antissedimenta\u00e7\u00e3o.<\/li>\n\n\n\n<li>Capaz de produ\u00e7\u00e3o industrial em larga escala, incluindo s\u00edlica com superf\u00edcie modificada.<\/li>\n<\/ul>\n\n\n\n<p><strong>Aplica\u00e7\u00f5es:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Produ\u00e7\u00e3o em massa de s\u00edlica funcional para tintas, adesivos ou revestimentos de qualidade alimentar.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">5. Por que um material tem dificuldades para se destacar em ambas as fun\u00e7\u00f5es?<\/h2>\n\n\n\n<p>Os formuladores frequentemente desejam uma \u00fanica s\u00edlica que proporcione tanto alto poder fosqueante quanto propriedades antissedimenta\u00e7\u00e3o, mas na engenharia de p\u00f3s, esses objetivos s\u00e3o inerentemente independentes:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>A aplica\u00e7\u00e3o de s\u00edlica em forma de tapete favorece a &quot;granulosidade&quot;:<\/strong> Requer $d_{50}$ em n\u00edvel microm\u00e9trico e porosidade preservada para dispers\u00e3o \u00f3ptica.<\/li>\n\n\n\n<li><strong>A s\u00edlica antissedimenta\u00e7\u00e3o favorece a forma\u00e7\u00e3o de redes:<\/strong> Requer part\u00edculas em nanoescala, alta \u00e1rea superficial e forte liga\u00e7\u00e3o interpart\u00edculas para suporte reol\u00f3gico.<\/li>\n<\/ul>\n\n\n\n<p><strong>Conclus\u00e3o:<\/strong><br>A s\u00edlica fosca \u00e9 um material de controle \u00f3ptico de superf\u00edcie que focaliza a luz.<br>A s\u00edlica antissedimenta\u00e7\u00e3o \u00e9 um material de controle reol\u00f3gico que atua na estrutura interna.<br>A ponte entre essas fun\u00e7\u00f5es \u00e9 a tecnologia de moagem ultrafina de precis\u00e3o e classifica\u00e7\u00e3o por ar.<\/p>\n\n\n\n<p>Ao entender como o tamanho das part\u00edculas, a morfologia e a \u00e1rea da superf\u00edcie interagem, os formuladores podem selecionar as mat\u00e9rias-primas e os equipamentos de processamento adequados para alcan\u00e7ar os resultados funcionais desejados.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">6. Considera\u00e7\u00f5es Avan\u00e7adas: <a href=\"https:\/\/quartz-grinding.epic-powder.com\/pt\/surface-modification\/\">Modifica\u00e7\u00e3o de superf\u00edcie<\/a> e s\u00edlica funcional h\u00edbrida<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"534\" src=\"https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2026\/03\/ultrafine-powder-coating-machine.webp\" alt=\"m\u00e1quina de revestimento de p\u00f3 ultrafino\" class=\"wp-image-3676\" srcset=\"https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2026\/03\/ultrafine-powder-coating-machine.webp 800w, https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2026\/03\/ultrafine-powder-coating-machine-300x200.webp 300w, https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2026\/03\/ultrafine-powder-coating-machine-768x513.webp 768w, https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2026\/03\/ultrafine-powder-coating-machine-18x12.webp 18w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p>Aplica\u00e7\u00f5es modernas frequentemente exigem funcionalidade h\u00edbrida \u2014 por exemplo, s\u00edlica para revestimento que tamb\u00e9m contribua para a estabilidade da suspens\u00e3o. Para alcan\u00e7ar isso, \u00e9 necess\u00e1rio:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Tratamento de superf\u00edcie:<\/strong> Revestimento de s\u00edlica com silanos ou pol\u00edmeros para modificar a hidrofobicidade e as intera\u00e7\u00f5es entre part\u00edculas.<\/li>\n\n\n\n<li><strong>Retifica\u00e7\u00e3o em m\u00faltiplos est\u00e1gios:<\/strong> Combina\u00e7\u00e3o de moagem grosseira para forma\u00e7\u00e3o de mantas com moagem secund\u00e1ria em nanoescala para propriedades antissedimenta\u00e7\u00e3o.<\/li>\n\n\n\n<li><strong>Monitoramento de processos:<\/strong> A an\u00e1lise granulom\u00e9trica em linha garante uma distribui\u00e7\u00e3o granulom\u00e9trica consistente e evita varia\u00e7\u00f5es entre lotes.<\/li>\n<\/ul>\n\n\n\n<p>Essas estrat\u00e9gias avan\u00e7adas permitem que os fabricantes projetem s\u00edlica com <strong>dupla funcionalidade<\/strong> sem comprometer o desempenho do tapete ou da suspens\u00e3o.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">7. Conclus\u00e3o: A engenharia de precis\u00e3o determina a fun\u00e7\u00e3o<\/h2>\n\n\n\n<p>A fun\u00e7\u00e3o da s\u00edlica \u00e9 definida pela engenharia de suas part\u00edculas, e n\u00e3o apenas por sua f\u00f3rmula qu\u00edmica.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>A aplica\u00e7\u00e3o de s\u00edlica fosca cria efeitos \u00f3ticos atrav\u00e9s do controle da rugosidade e da porosidade.<\/li>\n\n\n\n<li>A s\u00edlica antissedimenta\u00e7\u00e3o constr\u00f3i redes estruturais atrav\u00e9s de part\u00edculas em nanoescala e intera\u00e7\u00f5es de superf\u00edcie.<\/li>\n\n\n\n<li>Os moinhos a jato e os moinhos classificadores a ar s\u00e3o as ferramentas que transformam a s\u00edlica bruta em p\u00f3s funcionais espec\u00edficos para cada aplica\u00e7\u00e3o.<\/li>\n<\/ul>\n\n\n\n<p>Compreender os princ\u00edpios da moagem ultrafina permite que os formuladores tomem decis\u00f5es informadas sobre equipamentos e processos, possibilitando revestimentos consistentes e de alto desempenho em diversas aplica\u00e7\u00f5es industriais.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized is-style-rounded\"><img loading=\"lazy\" decoding=\"async\" width=\"602\" height=\"602\" src=\"https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2025\/11\/Jason-Wang.webp\" alt=\"Jason Wang\" class=\"wp-image-3541\" style=\"width:150px;height:150px\" srcset=\"https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2025\/11\/Jason-Wang.webp 602w, https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2025\/11\/Jason-Wang-300x300.webp 300w, https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2025\/11\/Jason-Wang-150x150.webp 150w, https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2025\/11\/Jason-Wang-12x12.webp 12w\" sizes=\"(max-width: 602px) 100vw, 602px\" \/><\/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>&#8220;<em>Este artigo foi compilado por <a href=\"https:\/\/quartz-grinding.epic-powder.com\/pt\/contact\/\">P\u00f3 \u00e9pico<\/a> Equipe t\u00e9cnica. Nossa equipe possui vasta experi\u00eancia em moagem, classifica\u00e7\u00e3o e tratamento de superf\u00edcie de s\u00edlica, oferecendo conhecimento desde pesquisas em escala laboratorial at\u00e9 a produ\u00e7\u00e3o em escala industrial.<\/em>&#8220;<\/p>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity is-style-default\"\/>\n<cite>                                                                                                                                                                          \u2014 Publicado por <a href=\"https:\/\/www.linkedin.com\/company\/76603359\/admin\/dashboard\/\">Jason Wang<\/a><\/cite><\/blockquote>\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\/3704#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\/3704#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=\"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: 48%; }\n.one-third { width: 30.66%; }\n.last {\n margin-right: 0 !important;\n clear: right;\n}\n@media only screen and (max-width: 767px) {\n .one-half, .one-third {\n width: 100%;\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=\"pt\"\/><\/form>\n<\/div>\n<\/div>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>Em formula\u00e7\u00f5es de revestimento, a s\u00edlica (SiO2) \u00e9 onipresente. Ela aparece em tudo, desde tintas e vernizes de alto desempenho at\u00e9 revestimentos funcionais avan\u00e7ados e adesivos industriais. Mas voc\u00ea j\u00e1 se perguntou por que o mesmo composto qu\u00edmico pode tornar uma pel\u00edcula fosca em um caso e impedir a deposi\u00e7\u00e3o de pigmentos em outro? O segredo n\u00e3o est\u00e1 na composi\u00e7\u00e3o qu\u00edmica, [\u2026]<\/p>","protected":false},"author":1,"featured_media":3611,"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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