{"id":4019,"date":"2026-08-12T14:31:49","date_gmt":"2026-08-12T06:31:49","guid":{"rendered":"https:\/\/calcium-carbonate.epic-powder.com\/?p=4019"},"modified":"2026-08-12T14:31:51","modified_gmt":"2026-08-12T06:31:51","slug":"how-do-ultra-fine-grinding-and-modification-equipment-empower-calcium-carbonate-to-achieve-exceptional-whiteness-and-smoothness-in-paper","status":"publish","type":"post","link":"https:\/\/calcium-carbonate.epic-powder.com\/pt\/how-do-ultra-fine-grinding-and-modification-equipment-empower-calcium-carbonate-to-achieve-exceptional-whiteness-and-smoothness-in-paper\/","title":{"rendered":"Como os equipamentos de moagem e modifica\u00e7\u00e3o ultrafina permitem que o carbonato de c\u00e1lcio alcance brancura e suavidade excepcionais no papel?"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Na ind\u00fastria de papel, o carbonato de c\u00e1lcio \u2014 incluindo o carbonato de c\u00e1lcio mo\u00eddo (GCC) e o carbonato de c\u00e1lcio precipitado (PCC) \u2014 \u00e9 uma mat\u00e9ria-prima essencial para melhorar a qualidade do papel e reduzir os custos de produ\u00e7\u00e3o. Ele aprimora a brancura, a opacidade e a lisura. Tamb\u00e9m melhora a absor\u00e7\u00e3o de tinta e a imprimibilidade. No entanto, o calc\u00e1rio bruto ou o carbonato de c\u00e1lcio grosso n\u00e3o podem ser usados diretamente em processos de fabrica\u00e7\u00e3o de papel de alta qualidade. O desempenho ideal do carbonato de c\u00e1lcio depende, em grande parte, dos equipamentos utilizados na etapa inicial do processo. <a href=\"https:\/\/calcium-carbonate.epic-powder.com\/pt\/\">Equipamento de moagem ultrafina de carbonato de c\u00e1lcio<\/a> Deve proporcionar um controle preciso sobre o tamanho e a distribui\u00e7\u00e3o das part\u00edculas. Os equipamentos de modifica\u00e7\u00e3o de superf\u00edcie devem adaptar-se adequadamente \u00e0 afinidade interfacial e ao revestimento.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/06\/calcium-carbonate-grinding-mill.webp\" alt=\"moinho de moagem de carbonato de c\u00e1lcio\" class=\"wp-image-3904\" srcset=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/06\/calcium-carbonate-grinding-mill.webp 800w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/06\/calcium-carbonate-grinding-mill-300x300.webp 300w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/06\/calcium-carbonate-grinding-mill-150x150.webp 150w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/06\/calcium-carbonate-grinding-mill-768x768.webp 768w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/06\/calcium-carbonate-grinding-mill-12x12.webp 12w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">I. Equipamentos de moagem ultrafina: a base para as fun\u00e7\u00f5es de &quot;enchimento&quot; e &quot;revestimento&quot;<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">O carbonato de c\u00e1lcio \u00e9 classificado em carbonato de c\u00e1lcio mo\u00eddo (CCM) e carbonato de c\u00e1lcio precipitado (CCP) com base nos m\u00e9todos de processamento. Os equipamentos de moagem desempenham um papel fundamental na produ\u00e7\u00e3o de ambos os tipos, especialmente do CCM.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Min\u00e9rio de carbonato de c\u00e1lcio \u2500\u2500&gt; Britagem grossa \u2500\u2500&gt; Moagem ultrafina a seco\/\u00famido \u2500\u2500&gt; Classifica\u00e7\u00e3o de part\u00edculas \u2500\u2500&gt; Carga\/pigmento de revestimento de alta qualidade para fabrica\u00e7\u00e3o de papel\n<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">1. Duas fun\u00e7\u00f5es principais do carbonato de c\u00e1lcio na fabrica\u00e7\u00e3o de papel<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Como enchimento de papel:<\/strong>\n<ul class=\"wp-block-list\">\n<li><strong>GCC:<\/strong> O GCC \u00e9 usado principalmente em papel de impress\u00e3o, papel para escrita, papel de escrit\u00f3rio e papel publicit\u00e1rio. O GCC de grau de enchimento padr\u00e3o (como 325 mesh, brancura \u2265 92%, CaCO3 \u2265 98%) \u00e9 processado principalmente em moinhos Raymond ou moinhos de rolos verticais. O GCC ultrafino de grau superior (acima de 1250 mesh) para papel\u00e3o requer processamento eficiente por meio de <strong>moinhos de rolos de anel secos<\/strong> ou <strong>linhas de produ\u00e7\u00e3o de classifica\u00e7\u00e3o de moinhos de bolas<\/strong>.<\/li>\n\n\n\n<li><strong>PCC:<\/strong> Em princ\u00edpio, o PCC pode ser usado em todos os tipos de papel. \u00c9 usado principalmente como carga para pap\u00e9is de alta qualidade, como papel para cigarros, papel para impress\u00e3o a jato de tinta e papel revestido leve. \u00c9 produzido por precipita\u00e7\u00e3o qu\u00edmica combinada com equipamentos de desaglomera\u00e7\u00e3o e classifica\u00e7\u00e3o subsequentes.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Como pigmentos de revestimento:<\/strong>\n<ul class=\"wp-block-list\">\n<li>O GCC pode ser usado tanto para pr\u00e9-revestimento quanto para revestimento final. O pr\u00e9-revestimento requer part\u00edculas menores que 2 \u03bcm para representar mais de 75% da massa total. O revestimento final requer part\u00edculas menores que 2 \u03bcm para atingir 90%\u2013100%. Essas part\u00edculas ultrafinas melhoram significativamente o brilho e a planicidade da superf\u00edcie do papel.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">2. <a href=\"https:\/\/calcium-carbonate.epic-powder.com\/pt\/machines\/\">Equipamento de retifica\u00e7\u00e3o de n\u00facleos<\/a> Sele\u00e7\u00e3o de carbonato de c\u00e1lcio para fabrica\u00e7\u00e3o de papel<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Para atender aos rigorosos requisitos de tamanho e distribui\u00e7\u00e3o de part\u00edculas em diferentes etapas da fabrica\u00e7\u00e3o de papel, foram desenvolvidas linhas de processo de moagem industrial espec\u00edficas:<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><td><strong>Aplicativo<\/strong><\/td><td><strong>Tamanho das part\u00edculas \/ Requisitos de qualidade<\/strong><\/td><td><strong>Equipamentos recomendados para moagem ultrafina<\/strong><\/td><td><strong>Caracter\u00edsticas e vantagens do processo<\/strong><\/td><\/tr><\/thead><tbody><tr><td><strong>GCC de grau de enchimento<\/strong><\/td><td>Malha 325\u20131250 (d_90\u2264 10\u03bcm)<\/td><td><strong>Moinho de rolos verticais \/ Moinho de rolos anulares \/ Moinho grosso + Classificador de ar<\/strong><\/td><td>Alta capacidade, baixo consumo de energia, boa morfologia de part\u00edculas. Ideal para processamento de cargas em larga escala.<\/td><\/tr><tr><td><strong>GCC de grau pr\u00e9-revestimento<\/strong><\/td><td>Part\u00edculas de 2 \u03bcm \u226575%<\/td><td><strong><a href=\"https:\/\/calcium-carbonate.epic-powder.com\/pt\/machines\/ball-mill\/\">Linha de classifica\u00e7\u00e3o de moinho de bolas a seco<\/a> \/ Moinho de agita\u00e7\u00e3o \u00famida<\/strong><\/td><td>Distribui\u00e7\u00e3o uniforme do tamanho das part\u00edculas e boa fluidez. Adequado para a formula\u00e7\u00e3o de revestimentos com alto teor de s\u00f3lidos.<\/td><\/tr><tr><td><strong>Revestimento de acabamento de grau GCC<\/strong><\/td><td>Part\u00edculas &lt;2\u03bcm 90% -100\\%<\/td><td><strong>Moinho de agita\u00e7\u00e3o ultrafino \u00famido \/ Moinho de esferas horizontal<\/strong><\/td><td>Utiliza moagem com abrasivos para delamina\u00e7\u00e3o em escala micro e submicrom\u00e9trica. A alta propor\u00e7\u00e3o de micropart\u00edculas resulta em alto brilho superficial.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"800\" height=\"600\" src=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/01\/Ground-Calcium-Carbonate-Ball-Mill-Classifier-System.webp\" alt=\"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<h2 class=\"wp-block-heading\">II. <a href=\"https:\/\/calcium-carbonate.epic-powder.com\/pt\/surface-modification\/\">Equipamentos para Modifica\u00e7\u00e3o de Superf\u00edcies<\/a>A chave para a compatibilidade e reten\u00e7\u00e3o.<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">A moagem ultrafina confere ao carbonato de c\u00e1lcio uma elevada \u00e1rea superficial espec\u00edfica e uma textura fina. No entanto, o carbonato de c\u00e1lcio n\u00e3o modificado permanece um material inorg\u00e2nico e hidrof\u00edlico. Apresenta baixa compatibilidade e resist\u00eancia de liga\u00e7\u00e3o com fibras vegetais org\u00e2nicas, que tamb\u00e9m s\u00e3o hidrof\u00edlicas, mas possuem carga superficial negativa. Essa incompatibilidade resulta em baixa reten\u00e7\u00e3o de carga, redu\u00e7\u00e3o da resist\u00eancia mec\u00e2nica e forma\u00e7\u00e3o de p\u00f3 ou fiapos no papel.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Para resolver esses problemas, <strong>m\u00e1quinas de modifica\u00e7\u00e3o cont\u00ednua de alta efici\u00eancia<\/strong> S\u00e3o essenciais para revestimento qu\u00edmico ou modifica\u00e7\u00e3o de superf\u00edcie.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. Principais equipamentos de modifica\u00e7\u00e3o e princ\u00edpios de funcionamento<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>M\u00e1quina de modifica\u00e7\u00e3o de colmeias de tr\u00eas an\u00e9is\/multicelulares:<\/strong> Fortes for\u00e7as de cisalhamento e centr\u00edfugas s\u00e3o geradas por um rotor de alta velocidade. O p\u00f3 de carbonato de c\u00e1lcio \u00e9 fluidificado e misturado rapidamente com agentes modificadores atomizados (como estearato de s\u00f3dio ou agentes de acoplamento) para obter um revestimento de camada \u00fanica em n\u00edvel molecular.<\/li>\n\n\n\n<li><strong>M\u00e1quina de Modifica\u00e7\u00e3o Cont\u00ednua de Turbina:<\/strong> Este equipamento \u00e9 adequado para a modifica\u00e7\u00e3o a seco de alta velocidade de carbonato de c\u00e1lcio ultrafino. Os materiais e os agentes modificadores colidem em altas frequ\u00eancias dentro da c\u00e2mara da turbina. Este design proporciona uma alta taxa de revestimento e previne eficazmente a reaglomera\u00e7\u00e3o do p\u00f3 ultrafino.<\/li>\n\n\n\n<li><strong>Reatores de modifica\u00e7\u00e3o \u00famida \/ Vasos agitados:<\/strong> Agentes modificadores (como quitosana cationizada, CMC ou o agente de acoplamento KH570) s\u00e3o adicionados diretamente \u00e0 suspens\u00e3o durante ou ap\u00f3s a moagem ultrafina \u00famida. Esse processo permite o enxerto ou revestimento de superf\u00edcie em fase l\u00edquida.<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">2. Processos de Modifica\u00e7\u00e3o e Benef\u00edcios dos Equipamentos<\/h3>\n\n\n\n<h5 class=\"wp-block-heading\">(1) Processo de Revestimento Qu\u00edmico<\/h5>\n\n\n\n<p class=\"wp-block-paragraph\">O revestimento qu\u00edmico modifica as superf\u00edcies de GCC ou PCC dentro de um sistema de rea\u00e7\u00e3o. Por exemplo, a complexa\u00e7\u00e3o de polieletr\u00f3litos pode ser usada dentro de equipamentos de modifica\u00e7\u00e3o para depositar quitosana cationizada e carboximetilcelulose (CMC) em superf\u00edcies de PCC:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Fun\u00e7\u00e3o do equipamento:<\/strong> A mistura for\u00e7ada e a precipita\u00e7\u00e3o com temperatura controlada tornam a distribui\u00e7\u00e3o de part\u00edculas mais concentrada e uniforme, duplicando a \u00e1rea superficial espec\u00edfica.<\/li>\n\n\n\n<li><strong>Desempenho na fabrica\u00e7\u00e3o de papel:<\/strong> O carbonato de c\u00e1lcio revestido permanece est\u00e1vel nos poros da fibra por meio de aprisionamento mec\u00e2nico e adsor\u00e7\u00e3o coloidal. Esse processo aumenta <strong>taxas de reten\u00e7\u00e3o<\/strong> e melhora significativamente o \u00edndice de resist\u00eancia \u00e0 tra\u00e7\u00e3o, a resist\u00eancia ao estouro e a resist\u00eancia \u00e0 dobra.<\/li>\n<\/ul>\n\n\n\n<h5 class=\"wp-block-heading\">(2) Processo de acoplamento qu\u00edmico de superf\u00edcie<\/h5>\n\n\n\n<p class=\"wp-block-paragraph\">Agentes de acoplamento (como o KH570) ou surfactantes org\u00e2nicos (como o estearato de s\u00f3dio) s\u00e3o usados para modificar o p\u00f3 de carbonato de c\u00e1lcio:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Fun\u00e7\u00e3o do equipamento:<\/strong> M\u00e1quinas de modifica\u00e7\u00e3o de alta velocidade utilizam cisalhamento t\u00e9rmico para aplicar estearato de s\u00f3dio ou silan\u00f3is hidrolisados (Si-OH) uniformemente em superf\u00edcies de carbonato de c\u00e1lcio nanoestruturado, formando liga\u00e7\u00f5es qu\u00edmicas est\u00e1veis (como liga\u00e7\u00f5es Ca-O-Si).<\/li>\n\n\n\n<li><strong>Desempenho na fabrica\u00e7\u00e3o de papel:<\/strong> O carbonato de c\u00e1lcio modificado apresenta polaridade reduzida, menor energia superficial e dispersibilidade significativamente melhor. Quando aplicado em revestimentos, aumenta a resist\u00eancia superficial, as propriedades hidrof\u00f3bicas e o desempenho de fric\u00e7\u00e3o (comumente usado em revestimentos antiderrapantes e bandejas de embalagem).<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"800\" height=\"800\" src=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/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<h2 class=\"wp-block-heading\">III. Sinergia entre processamento ultrafino e modifica\u00e7\u00e3o<\/h2>\n\n\n\n<ol start=\"1\" class=\"wp-block-list\">\n<li><strong>Criando uma brancura excepcional (desbaste e remo\u00e7\u00e3o de impurezas):<\/strong>As estruturas cristalinas naturais do carbonato de c\u00e1lcio possuem, inerentemente, alta brancura. Moagem precisa com <strong>moinhos \u00famidos ultrafinos agitados<\/strong> ou <strong>classificadores de moinho de bolas<\/strong> Evita a contamina\u00e7\u00e3o por ferro, reduzindo as part\u00edculas a tamanhos ideais para dispers\u00e3o da luz (em torno de 0,2 a 0,5 \u03bcm). Isso maximiza a reflex\u00e3o da luz vis\u00edvel, aumentando significativamente a brancura e a opacidade do papel.<\/li>\n\n\n\n<li><strong>Obten\u00e7\u00e3o de alto grau de suavidade e brilho (part\u00edculas ultrafinas + antiaglomerante):<\/strong>\n<ul class=\"wp-block-list\">\n<li>Micropart\u00edculas processadas por <strong>equipamentos de moagem ultrafina<\/strong> (&lt;2\u03bcm &gt; 90%) preenchem as lacunas entre as fibras, formando uma camada de revestimento ultrafina e plana na superf\u00edcie do papel.<\/li>\n\n\n\n<li>Ap\u00f3s a redu\u00e7\u00e3o da energia superficial e o tratamento de revestimento em equipamentos de modifica\u00e7\u00e3o, o carbonato de c\u00e1lcio ultrafino evita a reaglomera\u00e7\u00e3o secund\u00e1ria em sistemas de revestimento. Mant\u00e9m boa fluidez e alto teor de s\u00f3lidos. Consequentemente, o papel apresenta excelente lisura e alto brilho ap\u00f3s a calandragem, al\u00e9m de reduzir a forma\u00e7\u00e3o de poeira e fiapos durante a impress\u00e3o.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">Equipamentos de moagem ultrafina proporcionam controle preciso sobre o tamanho das part\u00edculas, enquanto equipamentos de modifica\u00e7\u00e3o alteram as caracter\u00edsticas da superf\u00edcie. Juntos, eles permitem que o carbonato de c\u00e1lcio libere plenamente suas vantagens f\u00edsicas e qu\u00edmicas, estabelecendo-o como uma mat\u00e9ria-prima mineral essencial, de alta qualidade e custo-benef\u00edcio, na ind\u00fastria de papel.<\/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=\"360\" height=\"360\" src=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/07\/Emily-Chen.webp\" alt=\"Emily Chen\" class=\"wp-image-4010\" style=\"width:150px;height:150px\" srcset=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/07\/Emily-Chen.webp 360w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/07\/Emily-Chen-300x300.webp 300w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/07\/Emily-Chen-150x150.webp 150w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2026\/07\/Emily-Chen-12x12.webp 12w\" sizes=\"(max-width: 360px) 100vw, 360px\" \/><\/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 class=\"wp-block-paragraph\">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 Emily Chen<\/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\/4019#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\/4019#wpcf7-f16-o1\">\n<fieldset class=\"hidden-fields-container\"><input type=\"hidden\" name=\"_wpcf7\" value=\"16\" \/><input type=\"hidden\" name=\"_wpcf7_version\" value=\"6.1.6\" \/><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%; }\n.one-third { width: 30.66%; }\n.last {\n margin-right: 0 !important;\n clear: right;\nwidth: 40%;\n}\n@media only screen and (max-width: 767px) {\n .one-half, .one-third {\n width: 90%;\n margin-right: 0;\n }\n}\n<\/style><div class=\"wpcf7-response-output\" aria-hidden=\"true\"><\/div>\n<input type=\"hidden\" name=\"trp-form-language\" value=\"pt\"\/><\/form>\n<\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>Na ind\u00fastria de papel, o carbonato de c\u00e1lcio \u2014 incluindo o carbonato de c\u00e1lcio mo\u00eddo (GCC) e o carbonato de c\u00e1lcio precipitado (PCC) \u2014 serve como mat\u00e9ria-prima essencial para melhorar a qualidade do papel e reduzir os custos de produ\u00e7\u00e3o. Ele aprimora a brancura, a opacidade e a suavidade. Tamb\u00e9m melhora a absor\u00e7\u00e3o de tinta e a imprimibilidade. No entanto, o calc\u00e1rio bruto ou o carbonato de c\u00e1lcio grosso n\u00e3o podem ser usados diretamente na fabrica\u00e7\u00e3o de papel de alta qualidade [\u2026]<\/p>","protected":false},"author":1,"featured_media":3872,"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":"","ast-disable-related-posts":"","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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