{"id":3775,"date":"2025-12-30T13:51:20","date_gmt":"2025-12-30T05:51:20","guid":{"rendered":"https:\/\/calcium-carbonate.epic-powder.com\/?p=3775"},"modified":"2025-12-30T13:51:23","modified_gmt":"2025-12-30T05:51:23","slug":"how-does-calcium-carbonate-mesh-size-affect-the-comprehensive-performance-of-polypropylene-pp-filler-masterbatches","status":"publish","type":"post","link":"https:\/\/calcium-carbonate.epic-powder.com\/pt\/how-does-calcium-carbonate-mesh-size-affect-the-comprehensive-performance-of-polypropylene-pp-filler-masterbatches\/","title":{"rendered":"De que forma o tamanho da malha de carbonato de c\u00e1lcio afeta o desempenho geral dos masterbatches de carga de polipropileno (PP)?"},"content":{"rendered":"<p>O carbonato de c\u00e1lcio, um mineral inorg\u00e2nico com abundantes reservas naturais e excelente rela\u00e7\u00e3o custo-benef\u00edcio, tornou-se um dos enchimentos inorg\u00e2nicos mais utilizados na ind\u00fastria de pl\u00e1sticos. Isso se deve ao seu baixo custo, alto grau de brancura, boa estabilidade qu\u00edmica e forte compatibilidade mec\u00e2nica com materiais polim\u00e9ricos. Ele pode reduzir efetivamente os custos de produ\u00e7\u00e3o, ao mesmo tempo que melhora a rigidez, a estabilidade dimensional e a estabilidade de processamento dos produtos pl\u00e1sticos.<\/p>\n\n\n\n<p>Na pr\u00e1tica industrial, a convers\u00e3o de carbonato de c\u00e1lcio em <strong>masterbatch altamente preenchido atrav\u00e9s de <a href=\"https:\/\/calcium-carbonate.epic-powder.com\/pt\/machines\/ball-mill\/\">moagem ultrafina e modifica\u00e7\u00e3o de superf\u00edcie<\/a><\/strong> Oferece vantagens significativas. Estas incluem processos de mistura simplificados, melhor uniformidade na mistura do material fundido, maior efici\u00eancia de extrus\u00e3o e redu\u00e7\u00e3o da polui\u00e7\u00e3o por poeira. Portanto, esta abordagem tornou-se a solu\u00e7\u00e3o predominante para empresas de processamento de pl\u00e1stico.<\/p>\n\n\n\n<p>O masterbatch de carbonato de c\u00e1lcio com alta concentra\u00e7\u00e3o de carga \u00e9 amplamente utilizado em tubos extrudados, filmes, pe\u00e7as moldadas por inje\u00e7\u00e3o e produtos ocos. Com os avan\u00e7os cont\u00ednuos na tecnologia de processamento, as estruturas do masterbatch evolu\u00edram. Elas progrediram de simples cargas para sistemas de refor\u00e7o com unidades de micropart\u00edculas multicamadas. Entre esses, <strong>O carbonato de c\u00e1lcio atua como enchimento do n\u00facleo.<\/strong>O tamanho das part\u00edculas (malha), a distribui\u00e7\u00e3o do tamanho das part\u00edculas, a pureza e as caracter\u00edsticas da superf\u00edcie s\u00e3o em grande parte determinados pela etapa anterior do processo. <strong>Equipamentos de moagem e classifica\u00e7\u00e3o ultrafina<\/strong>\u2014afetam diretamente o comportamento de processamento e o desempenho mec\u00e2nico tanto do masterbatch quanto dos produtos pl\u00e1sticos finais.<\/p>\n\n\n\n<p>Para esclarecer a influ\u00eancia do tamanho das part\u00edculas de carbonato de c\u00e1lcio no desempenho do masterbatch com carga de PP, este estudo selecionou dois tipos de carbonato de c\u00e1lcio mo\u00eddo. Estes foram produzidos por meio de moagem ultrafina e classifica\u00e7\u00e3o de precis\u00e3o (CC-1500 mesh e CC-2500 mesh). Masterbatches padr\u00e3o foram preparados e suas propriedades de processamento e mec\u00e2nicas foram avaliadas. Isso permitiu uma an\u00e1lise sistem\u00e1tica dos efeitos das diferen\u00e7as de tamanho de part\u00edcula no desempenho da modifica\u00e7\u00e3o do PP.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"478\" src=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/11\/calcium-carbonate.webp\" alt=\"\" class=\"wp-image-3696\" srcset=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/11\/calcium-carbonate.webp 800w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/11\/calcium-carbonate-300x179.webp 300w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/11\/calcium-carbonate-768x459.webp 768w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/11\/calcium-carbonate-18x12.webp 18w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Propriedades das mat\u00e9rias-primas e do p\u00f3<\/h2>\n\n\n\n<p>Ambas as amostras de carbonato de c\u00e1lcio utilizadas neste estudo s\u00e3o <strong>solo do tipo calcita <a href=\"https:\/\/calcium-carbonate.epic-powder.com\/pt\/\">carbonato de c\u00e1lcio (GCC)<\/a><\/strong>Ap\u00f3s a britagem prim\u00e1ria, os materiais foram processados utilizando <strong>equipamentos de moagem ultrafina<\/strong>Exemplos incluem <strong><a href=\"https:\/\/calcium-carbonate.epic-powder.com\/pt\/astra-portfolio\/high-value-gcc-ground-calcium-carbonate-production-line-in-india\/\">sistemas de moinho de bolas-classificador<\/a><\/strong> ou moinhos classificadores de ar. A classifica\u00e7\u00e3o por ar de alta efici\u00eancia foi ent\u00e3o aplicada para obter produtos com distribui\u00e7\u00e3o granulom\u00e9trica estreita. Posteriormente, foi aplicado um tratamento de ativa\u00e7\u00e3o superficial. Os principais indicadores de desempenho s\u00e3o apresentados na Tabela 1.<\/p>\n\n\n\n<p><strong>Tabela 1. Propriedades principais de dois tipos de enchimento de carbonato de c\u00e1lcio<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Propriedade<\/th><th>CC-1500 (malha 1500)<\/th><th>CC-2500 (malha 2500)<\/th><\/tr><\/thead><tbody><tr><td>Tamanho m\u00e9dio das part\u00edculas D50 (\u03bcm)<\/td><td>8.5<\/td><td>5.2<\/td><\/tr><tr><td>Limite superior de tamanho D97 (\u03bcm)<\/td><td>15.3<\/td><td>9.8<\/td><\/tr><tr><td>Absor\u00e7\u00e3o de \u00f3leo (g\/100g)<\/td><td>18.2<\/td><td>25.7<\/td><\/tr><tr><td>Branquitude (%)<\/td><td>95.8<\/td><td>96.5<\/td><\/tr><tr><td>Pureza de CaCO\u2083 (%)<\/td><td>99.2<\/td><td>99.5<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Conforme demonstrado na Tabela 1, o aumento da granulometria de 1500 para 2500 reduz significativamente o tamanho das part\u00edculas, com o D50 diminuindo em aproximadamente 39% e o D97 tornando-se notavelmente menor. Essa melhoria \u00e9 atribu\u00edda principalmente \u00e0 moagem ultrafina de maior energia e ao controle mais preciso da classifica\u00e7\u00e3o por ar.<\/p>\n\n\n\n<p>Ao mesmo tempo, o aumento substancial na \u00e1rea superficial espec\u00edfica leva a um maior valor de absor\u00e7\u00e3o de \u00f3leo (um aumento de cerca de 41%), indicando uma adsor\u00e7\u00e3o mais forte do polipropileno fundido. Essa intera\u00e7\u00e3o superficial aprimorada desempenha um papel crucial nas mudan\u00e7as subsequentes no desempenho do processamento do masterbatch.<\/p>\n\n\n\n<p>Em aplica\u00e7\u00f5es de masterbatch para pl\u00e1sticos, part\u00edculas mais finas de carbonato de c\u00e1lcio geralmente causam menos deteriora\u00e7\u00e3o nas propriedades mec\u00e2nicas. No entanto, part\u00edculas excessivamente finas tendem a aglomerar, exigindo maior capacidade de dispers\u00e3o e precis\u00e3o de classifica\u00e7\u00e3o. Portanto, o carbonato de c\u00e1lcio industrial para aplica\u00e7\u00f5es de masterbatch normalmente requer um tamanho de part\u00edcula de <strong>\u22651500 mesh<\/strong>, alcan\u00e7\u00e1vel somente atrav\u00e9s de <strong>Sistemas de moagem e classifica\u00e7\u00e3o ultrafina est\u00e1veis e confi\u00e1veis<\/strong>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Processo de prepara\u00e7\u00e3o do masterbatch<\/h2>\n\n\n\n<p>O polipropileno (PP) foi utilizado como resina de suporte, combinado com agentes de acoplamento de aluminato e lubrificantes. O processo de prepara\u00e7\u00e3o foi o seguinte:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>O carbonato de c\u00e1lcio foi introduzido em um misturador de alta velocidade e aquecido a 100 \u00b0C para remover a umidade da superf\u00edcie;<\/li>\n\n\n\n<li>Um agente de acoplamento de aluminato foi adicionado para formar um revestimento est\u00e1vel nas part\u00edculas ultrafinas, melhorando a compatibilidade interfacial;<\/li>\n\n\n\n<li>A resina PP e os aditivos foram adicionados e misturados para obter uma dispers\u00e3o uniforme;<\/li>\n\n\n\n<li>A mistura foi extrudada por fus\u00e3o e granulada usando uma extrusora de rosca dupla a 160\u2013200 \u00b0C;<\/li>\n\n\n\n<li>Amostras de teste padr\u00e3o foram moldadas por inje\u00e7\u00e3o para avalia\u00e7\u00e3o de desempenho.<\/li>\n<\/ol>\n\n\n\n<p>\u00c9 importante ressaltar que quanto menor o tamanho das part\u00edculas de carbonato de c\u00e1lcio, maiores ser\u00e3o as exig\u00eancias de efici\u00eancia de cisalhamento e controle de temperatura durante a mistura, o que destaca ainda mais a influ\u00eancia decisiva da qualidade do p\u00f3 na janela de processamento do masterbatch.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Efeito do tamanho das part\u00edculas de carbonato de c\u00e1lcio nas propriedades do masterbatch<\/h2>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"800\" height=\"635\" src=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/11\/PVC-Masterbatch.webp\" alt=\"Masterbatch de PVC\" class=\"wp-image-3731\" srcset=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/11\/PVC-Masterbatch.webp 800w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/11\/PVC-Masterbatch-300x238.webp 300w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/11\/PVC-Masterbatch-768x610.webp 768w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/11\/PVC-Masterbatch-15x12.webp 15w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Efeito nas propriedades de fluxo de fus\u00e3o<\/h3>\n\n\n\n<p>A taxa de fluidez (MFR) \u00e9 um indicador fundamental da processabilidade do masterbatch. Os resultados dos testes s\u00e3o apresentados na Tabela 2.<\/p>\n\n\n\n<p><strong>Tabela 2. \u00cdndice de fluidez de masterbatches com diferentes tamanhos de malha de carbonato de c\u00e1lcio<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Amostra<\/th><th>\u00cdndice de fluidez (g\/10 min)<\/th><\/tr><\/thead><tbody><tr><td>Masterbatch CC-1500<\/td><td>46.74<\/td><\/tr><tr><td>Masterbatch CC-2500<\/td><td>24.10<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Os resultados indicam que o masterbatch contendo carbonato de c\u00e1lcio de 1500 mesh apresenta uma fluidez de fus\u00e3o significativamente maior, enquanto o MFR do masterbatch de 2500 mesh diminui em quase 50%.<\/p>\n\n\n\n<p>Esse fen\u00f4meno \u00e9 atribu\u00eddo principalmente a:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>O menor tamanho das part\u00edculas resulta da moagem ultrafina, o que aumenta consideravelmente a \u00e1rea superficial espec\u00edfica;<\/li>\n\n\n\n<li>Maior absor\u00e7\u00e3o de \u00f3leo pelo carbonato de c\u00e1lcio mais fino, resultando em uma adsor\u00e7\u00e3o mais forte do PP fundido;<\/li>\n\n\n\n<li>Redu\u00e7\u00e3o da fase de fus\u00e3o de fluxo livre e aumento da resist\u00eancia ao movimento da cadeia molecular.<\/li>\n<\/ul>\n\n\n\n<p>Esses resultados demonstram claramente que um tamanho de malha maior nem sempre \u00e9 melhor, e que as vantagens de desempenho devem ser compat\u00edveis com a capacidade do equipamento de processamento e os requisitos da aplica\u00e7\u00e3o.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Conclus\u00f5es e recomenda\u00e7\u00f5es de engenharia<\/h2>\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\/2025\/12\/GCC-Ground-Calcium-Carbonate-Production-Line.webp\" alt=\"Linha de produ\u00e7\u00e3o de GCC (carbonato de c\u00e1lcio mo\u00eddo)\" class=\"wp-image-3752\" srcset=\"https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/12\/GCC-Ground-Calcium-Carbonate-Production-Line.webp 800w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/12\/GCC-Ground-Calcium-Carbonate-Production-Line-300x225.webp 300w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/12\/GCC-Ground-Calcium-Carbonate-Production-Line-768x576.webp 768w, https:\/\/calcium-carbonate.epic-powder.com\/wp-content\/uploads\/2025\/12\/GCC-Ground-Calcium-Carbonate-Production-Line-16x12.webp 16w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\">Linha de produ\u00e7\u00e3o de GCC (carbonato de c\u00e1lcio mo\u00eddo)<\/figcaption><\/figure>\n\n\n\n<p>Com base no uso de carbonato de c\u00e1lcio como carga com diferentes granulometrias e nos respectivos processos de moagem e classifica\u00e7\u00e3o ultrafina, as seguintes conclus\u00f5es podem ser extra\u00eddas:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>O tamanho das part\u00edculas de carbonato de c\u00e1lcio determina diretamente a processabilidade do masterbatch.<\/strong><br>O masterbatch de 1500 mesh apresenta um alto MFR de 46,74 g\/10 min, tornando-o adequado para aplica\u00e7\u00f5es que exigem alta efici\u00eancia de moldagem.<\/li>\n\n\n\n<li><strong>O carbonato de c\u00e1lcio de alta granulometria requer equipamentos avan\u00e7ados de moagem ultrafina para que suas vantagens de desempenho sejam plenamente aproveitadas.<\/strong><br>O produto de 2500 mesh oferece maior potencial de resist\u00eancia e rigidez por meio de moagem fina e classifica\u00e7\u00e3o precisa, mas exige um controle mais rigoroso de composi\u00e7\u00e3o e processamento.<\/li>\n\n\n\n<li><strong>A absor\u00e7\u00e3o de \u00f3leo e o tamanho das part\u00edculas s\u00e3o fatores de acoplamento essenciais que afetam o desempenho do masterbatch.<\/strong><br>Com o aumento do tamanho da malha, part\u00edculas menores e maior absor\u00e7\u00e3o de \u00f3leo reduzem a fluidez, ao mesmo tempo que melhoram as propriedades mec\u00e2nicas.<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\">Recomenda\u00e7\u00e3o pr\u00e1tica<\/h3>\n\n\n\n<p>Na produ\u00e7\u00e3o industrial de masterbatch com carga de PP, o tamanho da malha de carbonato de c\u00e1lcio e o equipamento de moagem ultrafina devem ser selecionados com base nos requisitos de uso final:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Para alta efici\u00eancia e produtividade no processamento, recomenda-se carbonato de c\u00e1lcio de granulometria 1500 mesh;<\/li>\n\n\n\n<li>Para maior rigidez e resist\u00eancia, o carbonato de c\u00e1lcio de 2500 mesh, aliado a sistemas de moagem ultrafina de alto desempenho e classifica\u00e7\u00e3o de precis\u00e3o, \u00e9 a melhor op\u00e7\u00e3o.<\/li>\n<\/ul>\n\n\n\n<p>Este estudo fornece orienta\u00e7\u00f5es t\u00e9cnicas claras para a sele\u00e7\u00e3o precisa de carbonato de c\u00e1lcio e otimiza\u00e7\u00e3o de equipamentos em aplica\u00e7\u00f5es de masterbatch com carga pl\u00e1stica.<\/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\/3775#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\/3775#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=\"Como manter a brancura do 95%+ na moagem de carbonato de c\u00e1lcio? 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Ele pode reduzir efetivamente os custos de produ\u00e7\u00e3o, ao mesmo tempo que melhora [\u2026]<\/p>","protected":false},"author":1,"featured_media":3752,"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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