{"id":3764,"date":"2025-12-19T15:10:28","date_gmt":"2025-12-19T07:10:28","guid":{"rendered":"https:\/\/calcium-carbonate.epic-powder.com\/?p=3764"},"modified":"2025-12-19T15:10:30","modified_gmt":"2025-12-19T07:10:30","slug":"why-is-calcium-carbonate-the-star-of-inorganic-powders","status":"publish","type":"post","link":"https:\/\/calcium-carbonate.epic-powder.com\/pt\/why-is-calcium-carbonate-the-star-of-inorganic-powders\/","title":{"rendered":"Por que o carbonato de c\u00e1lcio \u00e9 a &quot;estrela&quot; dos p\u00f3s inorg\u00e2nicos?"},"content":{"rendered":"<p>Entre a fam\u00edlia de <a href=\"https:\/\/calcium-carbonate.epic-powder.com\/pt\/machines\/\">p\u00f3 inorg\u00e2nico<\/a> Entre os materiais, o carbonato de c\u00e1lcio (CaCO\u2083) \u00e9, sem d\u00favida, um destaque. Composto por c\u00e1lcio, carbono e oxig\u00eanio, \u00e9 encontrado em abund\u00e2ncia na natureza na forma de calc\u00e1rio, m\u00e1rmore e calcita. Ao mesmo tempo, tamb\u00e9m pode ser produzido em larga escala por meio de s\u00edntese industrial. Gra\u00e7as \u00e0 sua disponibilidade abundante, baixo custo, desempenho ajust\u00e1vel e respeito ao meio ambiente, o carbonato de c\u00e1lcio permeou in\u00fameras ind\u00fastrias \u2014 incluindo pl\u00e1sticos, fabrica\u00e7\u00e3o de papel, revestimentos, borracha, alimentos e produtos farmac\u00eauticos \u2014 tornando-se um material b\u00e1sico indispens\u00e1vel na produ\u00e7\u00e3o industrial moderna.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Classifica\u00e7\u00e3o e principais caracter\u00edsticas do p\u00f3 inorg\u00e2nico de carbonato de c\u00e1lcio<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"518\" src=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/10\/calcium-carbonate-2.webp\" alt=\"carbonato de c\u00e1lcio\" class=\"wp-image-3592\" srcset=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/10\/calcium-carbonate-2.webp 800w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/10\/calcium-carbonate-2-300x194.webp 300w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/10\/calcium-carbonate-2-768x497.webp 768w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/10\/calcium-carbonate-2-18x12.webp 18w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\">carbonato de c\u00e1lcio<\/figcaption><\/figure>\n\n\n\n<p>Com base nas diferen\u00e7as nos m\u00e9todos de produ\u00e7\u00e3o e nas caracter\u00edsticas estruturais, o carbonato de c\u00e1lcio \u00e9 geralmente classificado em tr\u00eas categorias principais: carbonato de c\u00e1lcio mo\u00eddo (GCC), carbonato de c\u00e1lcio precipitado (PCC) e nanocarbonato de c\u00e1lcio (NPCC). Cada tipo apresenta caracter\u00edsticas de desempenho distintas e \u00e9 adequado para diferentes cen\u00e1rios de aplica\u00e7\u00e3o.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Caracter\u00edsticas de classifica\u00e7\u00e3o e prepara\u00e7\u00e3o<\/h3>\n\n\n\n<p><strong><a href=\"https:\/\/calcium-carbonate.epic-powder.com\/pt\/astra-portfolio\/high-value-gcc-ground-calcium-carbonate-production-line-in-india\/\">Carbonato de c\u00e1lcio mo\u00eddo (GCC)<\/a><\/strong>O carbonato de c\u00e1lcio de g\u00e1lio (GCC), tamb\u00e9m conhecido como carbonato de c\u00e1lcio pesado, \u00e9 produzido por m\u00e9todos de processamento f\u00edsico, como britagem, moagem e classifica\u00e7\u00e3o de minerais naturais como calc\u00e1rio e calcita. Seu tamanho de part\u00edcula varia tipicamente de 1 a 100 \u03bcm. O GCC ret\u00e9m a estrutura cristalina natural do mineral e \u00e9 caracterizado por um custo extremamente baixo e grande capacidade de produ\u00e7\u00e3o.<\/p>\n\n\n\n<p><strong>Carbonato de c\u00e1lcio precipitado (PCC)<\/strong> \u00c9 produzido por s\u00edntese qu\u00edmica. O calc\u00e1rio \u00e9 calcinado, hidratado e, em seguida, carbonatado para formar o PCC. Seu tamanho de part\u00edcula geralmente varia de 0,5 a 10 \u03bcm. O PCC exibe diversas morfologias cristalinas \u2014 como formas fusiformes, c\u00fabicas e aciculares \u2014 e suas propriedades podem ser ajustadas por meio de um controle preciso do processo.<\/p>\n\n\n\n<p><strong>Nano Carbonato de C\u00e1lcio (NPCC)<\/strong> Refere-se ao carbonato de c\u00e1lcio ultrafino com part\u00edculas de tamanho inferior a 1 \u03bcm. Requer s\u00edntese qu\u00edmica altamente controlada e t\u00e9cnicas de modifica\u00e7\u00e3o de superf\u00edcie. Devido \u00e0 sua grande \u00e1rea superficial espec\u00edfica e aos efeitos relacionados ao tamanho, o nanocarbonato de c\u00e1lcio apresenta caracter\u00edsticas de desempenho muito superiores ao carbonato de c\u00e1lcio convencional.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Propriedades f\u00edsicas e qu\u00edmicas principais<\/h3>\n\n\n\n<p>As principais propriedades do carbonato de c\u00e1lcio est\u00e3o intimamente relacionadas \u00e0 sua estrutura. Em termos de propriedades f\u00edsicas, oferece alta brancura \u2014 os graus premium podem ultrapassar 95% \u2014 e um \u00edndice de refra\u00e7\u00e3o moderado, tornando-o um enchimento branco ideal. Com uma dureza de Mohs de aproximadamente 3, causa desgaste m\u00ednimo nos equipamentos de processamento.<\/p>\n\n\n\n<p>Quimicamente, o carbonato de c\u00e1lcio apresenta excelente estabilidade. Em condi\u00e7\u00f5es normais, n\u00e3o reage violentamente com a maioria dos \u00e1cidos ou \u00e1lcalis e dissolve-se apenas em \u00e1cidos fortes, como o \u00e1cido clor\u00eddrico. Possui tamb\u00e9m boa absor\u00e7\u00e3o e dispersibilidade de \u00f3leo. Atrav\u00e9s da modifica\u00e7\u00e3o da superf\u00edcie, pode atingir excelente compatibilidade com materiais org\u00e2nicos. Al\u00e9m disso, o carbonato de c\u00e1lcio \u00e9 at\u00f3xico, inodoro e n\u00e3o irritante, permitindo seu uso seguro em \u00e1reas altamente regulamentadas, como a aliment\u00edcia e a farmac\u00eautica.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Valor de aplica\u00e7\u00e3o do carbonato de c\u00e1lcio em p\u00f3 inorg\u00e2nico em setores-chave<\/h2>\n\n\n\n<p>O papel do carbonato de c\u00e1lcio h\u00e1 muito ultrapassou o conceito tradicional de simples &quot;enchimento&quot;. Em muitas aplica\u00e7\u00f5es, ele n\u00e3o s\u00f3 reduz custos, como tamb\u00e9m melhora significativamente o desempenho do material, atuando como uma ponte crucial entre minerais inorg\u00e2nicos em p\u00f3 e materiais org\u00e2nicos.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Modifica\u00e7\u00e3o de pl\u00e1sticos: o campe\u00e3o em custo-benef\u00edcio<\/h3>\n\n\n\n<p>O carbonato de c\u00e1lcio \u00e9 o enchimento em p\u00f3 inorg\u00e2nico mais utilizado na ind\u00fastria de pl\u00e1sticos, particularmente na modifica\u00e7\u00e3o de pl\u00e1sticos de uso geral, como o polietileno (PE), o polipropileno (PP) e o policloreto de vinila (PVC).<\/p>\n\n\n\n<p>O polietileno n\u00e3o modificado geralmente apresenta rigidez insuficiente e baixa resist\u00eancia ao calor. Ao incorporar carbonato de c\u00e1lcio, os custos do material podem ser reduzidos em 10 a 30 vezes, enquanto a dureza, a estabilidade dimensional e a rigidez s\u00e3o significativamente melhoradas. Quando o carbonato de c\u00e1lcio \u00e9 modificado superficialmente com agentes de acoplamento, como titanatos ou silanos, sua superf\u00edcie passa de hidrof\u00edlica para hidrof\u00f3bica. Isso possibilita uma forte liga\u00e7\u00e3o interfacial com as cadeias moleculares do PE e impede a separa\u00e7\u00e3o de fases. Como resultado, a resist\u00eancia \u00e0 tra\u00e7\u00e3o pode aumentar em mais de 4 vezes e a resist\u00eancia ao impacto em mais de 5 vezes.<\/p>\n\n\n\n<p>Em aplica\u00e7\u00f5es pr\u00e1ticas, o PE modificado com carbonato de c\u00e1lcio \u00e9 amplamente utilizado em filmes agr\u00edcolas (para aumentar a rigidez e a resist\u00eancia ao envelhecimento), tubos (para melhorar a resist\u00eancia \u00e0 flu\u00eancia) e carca\u00e7as de eletrodom\u00e9sticos (para aumentar a resist\u00eancia ao impacto). Tornou-se verdadeiramente o &quot;campe\u00e3o de custo-benef\u00edcio&quot; da modifica\u00e7\u00e3o de pl\u00e1sticos.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Ind\u00fastria de fabrica\u00e7\u00e3o de papel: o &quot;fator invis\u00edvel&quot; da qualidade do papel<\/h3>\n\n\n\n<p>A fabrica\u00e7\u00e3o de papel \u00e9 outra importante \u00e1rea de aplica\u00e7\u00e3o do carbonato de c\u00e1lcio. Seja usado como carga ou como pigmento de revestimento, ele desempenha um papel decisivo na qualidade do papel.<\/p>\n\n\n\n<p>Como carga, o carbonato de c\u00e1lcio preenche os espa\u00e7os entre as fibras, melhorando a brancura, a opacidade e a imprimibilidade do papel, ao mesmo tempo que reduz o consumo de celulose e conserva os recursos florestais. O carbonato de c\u00e1lcio de alta qualidade para fabrica\u00e7\u00e3o de papel exige um controle rigoroso da distribui\u00e7\u00e3o do tamanho das part\u00edculas. Por exemplo, o carbonato de c\u00e1lcio usado em m\u00e1quinas de revestimento de alta velocidade deve limitar as part\u00edculas a \u22655 \u03bcm para evitar o desgaste das l\u00e2minas, enquanto as part\u00edculas a \u22641 \u03bcm devem ser mantidas abaixo de 30% para minimizar a perda de carga.<\/p>\n\n\n\n<p>Como pigmento de revestimento, o carbonato de c\u00e1lcio com distribui\u00e7\u00e3o granulom\u00e9trica estreita melhora a reologia do revestimento, permitindo uma melhor sinergia entre pigmentos e ligantes. Isso aumenta a resist\u00eancia superficial e as propriedades \u00f3pticas. Al\u00e9m disso, as caracter\u00edsticas de carga el\u00e9trica do carbonato de c\u00e1lcio s\u00e3o cruciais na fabrica\u00e7\u00e3o de papel. A densidade de carga varia com o grau de moagem e afeta diretamente a dispers\u00e3o do material de enchimento, a efici\u00eancia dos aditivos e a circula\u00e7\u00e3o da \u00e1gua branca. O carbonato de c\u00e1lcio de alta pureza (\u226598%) \u00e9 especialmente importante para pap\u00e9is especiais, como papel para embalagens de alimentos e papel para grava\u00e7\u00e3o t\u00e9rmica.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Revestimentos e Borracha: Um \u201cAditivo Funcional Essencial\u201d<\/h3>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"800\" height=\"533\" src=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/12\/Calcium-Carbonate-in-Coatings-1.webp\" alt=\"Carbonato de c\u00e1lcio em revestimentos 1\" class=\"wp-image-3765\" srcset=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/12\/Calcium-Carbonate-in-Coatings-1.webp 800w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/12\/Calcium-Carbonate-in-Coatings-1-300x200.webp 300w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/12\/Calcium-Carbonate-in-Coatings-1-768x512.webp 768w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/12\/Calcium-Carbonate-in-Coatings-1-18x12.webp 18w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p>Na ind\u00fastria de revestimentos, o carbonato de c\u00e1lcio \u00e9 utilizado como pigmento extensor. Ele melhora o nivelamento, o poder de cobertura e a resist\u00eancia \u00e0s intemp\u00e9ries, ao mesmo tempo que reduz o consumo de pigmentos caros, como o di\u00f3xido de tit\u00e2nio. Por exemplo, o carbonato de c\u00e1lcio ultrafino em tintas l\u00e1tex produz revestimentos mais lisos e finos, al\u00e9m de melhorar a resist\u00eancia \u00e0 abras\u00e3o. Em revestimentos anticorrosivos industriais, sua estabilidade qu\u00edmica aumenta a resist\u00eancia a \u00e1cidos e \u00e1lcalis.<\/p>\n\n\n\n<p>Na ind\u00fastria da borracha, o carbonato de c\u00e1lcio serve como um importante refor\u00e7o. Ele pode substituir parcialmente o negro de fumo, melhorando a resist\u00eancia \u00e0 tra\u00e7\u00e3o, ao rasgo e \u00e0 abras\u00e3o, al\u00e9m de facilitar o processamento. Para produtos de borracha como pneus e veda\u00e7\u00f5es, o carbonato de c\u00e1lcio modificado n\u00e3o s\u00f3 reduz os custos de produ\u00e7\u00e3o, como tamb\u00e9m mitiga o impacto ambiental associado ao negro de fumo, alinhando-se \u00e0s tend\u00eancias da manufatura sustent\u00e1vel.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Tecnologias de modifica\u00e7\u00e3o e tend\u00eancias de desenvolvimento do carbonato de c\u00e1lcio<\/h2>\n\n\n\n<p>\u00c0 medida que as ind\u00fastrias a jusante exigem maior desempenho, o carbonato de c\u00e1lcio n\u00e3o modificado j\u00e1 n\u00e3o \u00e9 suficiente. A modifica\u00e7\u00e3o da superf\u00edcie tornou-se a chave para desbloquear todo o seu potencial. Ao mesmo tempo, o desenvolvimento de materiais ecol\u00f3gicos, funcionais e comp\u00f3sitos representa a dire\u00e7\u00e3o futura da ind\u00fastria.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Tecnologias de Modifica\u00e7\u00e3o Convencionais <\/h3>\n\n\n\n<p>A modifica\u00e7\u00e3o de superf\u00edcie visa alterar as propriedades da superf\u00edcie do carbonato de c\u00e1lcio. Isso \u00e9 alcan\u00e7ado por meio de m\u00e9todos f\u00edsicos ou qu\u00edmicos. O objetivo \u00e9 melhorar a compatibilidade com matrizes org\u00e2nicas.<\/p>\n\n\n\n<p>A modifica\u00e7\u00e3o com agentes de acoplamento \u00e9 a abordagem mais utilizada. Agentes de acoplamento de titanato s\u00e3o comumente aplicados em pl\u00e1sticos para melhorar as propriedades mec\u00e2nicas. Agentes de acoplamento de silano s\u00e3o amplamente utilizados em revestimentos para melhorar a resist\u00eancia \u00e0s intemp\u00e9ries. Agentes de acoplamento de aluminato s\u00e3o econ\u00f4micos e adequados para aplica\u00e7\u00f5es em borracha.<\/p>\n\n\n\n<p>Outros m\u00e9todos tamb\u00e9m s\u00e3o utilizados. A modifica\u00e7\u00e3o com surfactantes, como o tratamento com \u00e1cido este\u00e1rico, \u00e9 econ\u00f4mica e adequada para produtos de gama m\u00e9dia e baixa. M\u00e9todos de revestimento polim\u00e9rico, como o encapsulamento com polietileno, s\u00e3o aplicados em pl\u00e1sticos de alta qualidade.<\/p>\n\n\n\n<p>Ap\u00f3s a modifica\u00e7\u00e3o, o carbonato de c\u00e1lcio apresenta uma dispers\u00e3o muito melhor. A resist\u00eancia da liga\u00e7\u00e3o interfacial \u00e9 significativamente aprimorada. A aglomera\u00e7\u00e3o \u00e9 efetivamente reduzida. Seus efeitos de refor\u00e7o e tenacifica\u00e7\u00e3o s\u00e3o plenamente alcan\u00e7ados.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Tend\u00eancias de desenvolvimento futuro<\/h3>\n\n\n\n<p>O desenvolvimento futuro ter\u00e1 como foco o alto desempenho, o baixo consumo de energia e a sustentabilidade ambiental.<\/p>\n\n\n\n<p>Em primeiro lugar, a personaliza\u00e7\u00e3o funcional continuar\u00e1 a avan\u00e7ar. Controlando o tamanho das part\u00edculas, a morfologia e a qu\u00edmica da superf\u00edcie, \u00e9 poss\u00edvel desenvolver carbonato de c\u00e1lcio com fun\u00e7\u00f5es antibacterianas, retardantes de chama, termicamente condutoras ou eletricamente condutoras.<\/p>\n\n\n\n<p>Em segundo lugar, o desenvolvimento de comp\u00f3sitos ganhar\u00e1 ainda mais import\u00e2ncia. O carbonato de c\u00e1lcio ser\u00e1 combinado com cargas como nanotubos de carbono, fibras de vidro ou p\u00f3 de madeira. Sistemas comp\u00f3sitos multicomponentes ser\u00e3o criados para alcan\u00e7ar efeitos sin\u00e9rgicos.<\/p>\n\n\n\n<p>Em terceiro lugar, a produ\u00e7\u00e3o verde ser\u00e1 acelerada. Ser\u00e3o desenvolvidos agentes de acoplamento de base biol\u00f3gica e modificadores biodegrad\u00e1veis. Os processos de produ\u00e7\u00e3o ser\u00e3o otimizados para reduzir o consumo de energia e as emiss\u00f5es.<\/p>\n\n\n\n<p>Por fim, a moderniza\u00e7\u00e3o inteligente desempenhar\u00e1 um papel fundamental. A simula\u00e7\u00e3o computacional ser\u00e1 utilizada para prever os efeitos das modifica\u00e7\u00f5es. Os par\u00e2metros do processo ser\u00e3o controlados com precis\u00e3o. A estabilidade da qualidade do produto ser\u00e1 ainda mais aprimorada.<\/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>Desde minerais naturais at\u00e9 materiais industriais essenciais, o carbonato de c\u00e1lcio, como p\u00f3 inorg\u00e2nico, tem demonstrado not\u00e1vel versatilidade. Ele serve como um modificador econ\u00f4mico em pl\u00e1sticos. Tamb\u00e9m atua como um material seguro e confi\u00e1vel em aplica\u00e7\u00f5es aliment\u00edcias e farmac\u00eauticas.<\/p>\n\n\n\n<p>Com os avan\u00e7os cont\u00ednuos nas tecnologias de modifica\u00e7\u00e3o e a expans\u00e3o dos campos de aplica\u00e7\u00e3o, o carbonato de c\u00e1lcio continuar\u00e1 a evoluir. Ele desempenhar\u00e1 um papel cada vez mais importante na manufatura sustent\u00e1vel e em materiais de alta qualidade. Dessa forma, contribuir\u00e1 de maneira duradoura para o desenvolvimento industrial de alta qualidade.<\/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 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\/3764#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\/3764#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%; }\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<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe title=\"Linha de produ\u00e7\u00e3o de moinho de bolas e classificador para carbonato de c\u00e1lcio na \u00cdndia - EPIC Powder Tech\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/nTl3U0ixPsY?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>","protected":false},"excerpt":{"rendered":"<p>Entre a fam\u00edlia de materiais inorg\u00e2nicos em p\u00f3, o carbonato de c\u00e1lcio (CaCO\u2083) \u00e9, sem d\u00favida, um dos destaques. Composto por c\u00e1lcio, carbono e oxig\u00eanio, \u00e9 encontrado em abund\u00e2ncia na natureza na forma de calc\u00e1rio, m\u00e1rmore e calcita. Ao mesmo tempo, tamb\u00e9m pode ser produzido em larga escala por meio de s\u00edntese industrial. Gra\u00e7as \u00e0 sua abund\u00e2ncia [\u2026]<\/p>","protected":false},"author":1,"featured_media":3592,"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":[1],"tags":[],"class_list":["post-3764","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ultrafine-air-classifier"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Why is Calcium Carbonate the &quot;Star&quot; 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