{"id":3565,"date":"2025-12-04T11:26:52","date_gmt":"2025-12-04T03:26:52","guid":{"rendered":"https:\/\/quartz-grinding.epic-powder.com\/?p=3565"},"modified":"2026-03-19T15:17:15","modified_gmt":"2026-03-19T07:17:15","slug":"how-to-prepare-high-sphericity-silica-micro-powder-from-quartz-powder","status":"publish","type":"post","link":"https:\/\/quartz-grinding.epic-powder.com\/pt\/how-to-prepare-high-sphericity-silica-micro-powder-from-quartz-powder\/","title":{"rendered":"Como preparar microp\u00f3 de s\u00edlica de alta esfericidade a partir de p\u00f3 de quartzo?"},"content":{"rendered":"<p>O microp\u00f3 de s\u00edlica de alta esfericidade (esfericidade \u2265 0,95, frequentemente denominado SiO\u2082 esf\u00e9rico) \u00e9 um p\u00f3 funcional essencial em \u00e1reas avan\u00e7adas como substratos 5G, laminados revestidos de cobre (CCL), compostos de moldagem ep\u00f3xi EMC, adesivos de silicone e materiais de interface t\u00e9rmica. O p\u00f3 de quartzo tradicional, produzido por moagem mec\u00e2nica, apresenta formas angulares irregulares. O uso direto resulta em alta viscosidade do sistema, baixa capacidade de preenchimento e baixa fluidez, tornando o tratamento esf\u00e9rico indispens\u00e1vel.<\/p>\n\n\n\n<p>A seguir, apresentamos a rota de processo completo mais madura, econ\u00f4mica e validada industrialmente (amplamente adotada na China entre 2023 e 2025) capaz de atingir uma esfericidade est\u00e1vel de 0,96 a 0,99.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"544\" height=\"690\" src=\"https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2025\/10\/spherical-silica-powder.webp\" alt=\"p\u00f3 de s\u00edlica esf\u00e9rico\" class=\"wp-image-3393\" srcset=\"https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2025\/10\/spherical-silica-powder.webp 544w, https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2025\/10\/spherical-silica-powder-237x300.webp 237w, https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2025\/10\/spherical-silica-powder-9x12.webp 9w\" sizes=\"(max-width: 544px) 100vw, 544px\" \/><figcaption class=\"wp-element-caption\">p\u00f3 de s\u00edlica esf\u00e9rico<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Sele\u00e7\u00e3o e pr\u00e9-processamento de mat\u00e9rias-primas<\/h2>\n\n\n\n<p>O primeiro e mais crucial passo na produ\u00e7\u00e3o de microp\u00f3 de s\u00edlica com alta esfericidade \u00e9 a escolha do p\u00f3 de quartzo adequado e a realiza\u00e7\u00e3o de um pr\u00e9-tratamento refinado.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Requisitos de mat\u00e9ria-prima<\/h3>\n\n\n\n<p><strong>Alta pureza:<\/strong><br>\u00c9 necess\u00e1rio p\u00f3 de quartzo de alta pureza (SiO\u2082 \u2265 99,95%, preferencialmente \u2265 99,99%). Impurezas como Fe, Al, K e Na devem estar em n\u00edveis extremamente baixos. Essas impurezas reduzem a resist\u00eancia t\u00e9rmica e as propriedades diel\u00e9tricas da s\u00edlica esf\u00e9rica e podem afetar negativamente a esfericidade durante a fus\u00e3o em altas temperaturas.<\/p>\n\n\n\n<p><strong>Distribui\u00e7\u00e3o do tamanho das part\u00edculas:<\/strong><br>Utilize p\u00f3 de quartzo fundido de alta pureza, finamente mo\u00eddo e classificado. O tamanho das part\u00edculas deve ser o mais concentrado poss\u00edvel, geralmente exigindo um D50 pr\u00f3ximo ao tamanho desejado do produto. Part\u00edculas excessivamente grossas ou excessivamente finas devem ser evitadas.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Pr\u00e9-tratamento<\/h3>\n\n\n\n<p><strong>Moagem e classifica\u00e7\u00e3o ultrafinas:<\/strong><br>A mat\u00e9ria-prima de quartzo \u00e9 processada usando <a href=\"https:\/\/quartz-grinding.epic-powder.com\/pt\/machines\/\">moinhos ultrafinos<\/a> (como<a href=\"https:\/\/quartz-grinding.epic-powder.com\/pt\/machines\/jet-mill\/\"> moinhos de jato<\/a>) e <a href=\"https:\/\/quartz-grinding.epic-powder.com\/pt\/ultrafine-air-classifier\/\">classificadores de alta precis\u00e3o<\/a> (como classificadores de turbina) para obter p\u00f3s com uma distribui\u00e7\u00e3o granulom\u00e9trica estreita.<\/p>\n\n\n\n<p><strong>Purifica\u00e7\u00e3o qu\u00edmica (lixivia\u00e7\u00e3o \u00e1cida):<\/strong><br>O p\u00f3 de quartzo \u00e9 lavado com \u00e1cido (HCl, HF ou \u00e1gua r\u00e9gia) para remover impurezas met\u00e1licas da superf\u00edcie e do interior da estrutura cristalina. Esta etapa \u00e9 crucial para garantir as propriedades el\u00e9tricas do produto final.<\/p>\n\n\n\n<p><strong>Secagem:<\/strong><br>Seque completamente o p\u00f3 de quartzo purificado para remover a umidade da superf\u00edcie.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"800\" height=\"596\" src=\"https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2025\/11\/ultrafine-quartz-powder-solution-jet-mill.webp\" alt=\"moinho de jato de solu\u00e7\u00e3o para p\u00f3 de quartzo ultrafino\" class=\"wp-image-3559\" srcset=\"https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2025\/11\/ultrafine-quartz-powder-solution-jet-mill.webp 800w, https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2025\/11\/ultrafine-quartz-powder-solution-jet-mill-300x224.webp 300w, https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2025\/11\/ultrafine-quartz-powder-solution-jet-mill-768x572.webp 768w, https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2025\/11\/ultrafine-quartz-powder-solution-jet-mill-16x12.webp 16w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><figcaption class=\"wp-element-caption\">moinho de jato de solu\u00e7\u00e3o para p\u00f3 de quartzo ultrafino<\/figcaption><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Tecnologia principal: Esferoidiza\u00e7\u00e3o por fus\u00e3o de plasma em alta temperatura<\/h2>\n\n\n\n<p>A tecnologia fundamental para transformar p\u00f3 de quartzo pr\u00e9-tratado em formato esf\u00e9rico \u00e9 a fus\u00e3o por plasma. Atualmente, este \u00e9 o principal m\u00e9todo industrial para a produ\u00e7\u00e3o de s\u00edlica esf\u00e9rica de alta esfericidade.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2.1 Tecnologia de Plasma<\/h3>\n\n\n\n<p>As tochas de plasma geram zonas de temperatura extremamente alta, variando de 4000\u00b0C a 10000\u00b0C \u2014 muito acima do ponto de fus\u00e3o do SiO\u2082 (cerca de 1650\u00b0C).<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table><thead><tr><th>Tipo de tocha de plasma<\/th><th>Principais caracter\u00edsticas<\/th><th>Aplicabilidade<\/th><\/tr><\/thead><tbody><tr><td>Plasma de radiofrequ\u00eancia (RF)<\/td><td>Campo de temperatura uniforme, controle preciso da atmosfera, introdu\u00e7\u00e3o m\u00ednima de impurezas.<\/td><td>Ideal para produzir s\u00edlica esf\u00e9rica de alta pureza e tamanho reduzido para aplica\u00e7\u00f5es de alta tecnologia.<\/td><\/tr><tr><td>Plasma de corrente cont\u00ednua (CC)<\/td><td>Alta densidade energ\u00e9tica, custo de equipamento relativamente baixo.<\/td><td>Adequado para a produ\u00e7\u00e3o em larga escala de produtos de gama m\u00e9dia a baixa.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Processo de Fus\u00e3o e Esferoidiza\u00e7\u00e3o<\/h3>\n\n\n\n<p><strong>Alimenta\u00e7\u00e3o:<\/strong><br>O p\u00f3 de quartzo pr\u00e9-tratado \u00e9 introduzido na zona de plasma de alta temperatura atrav\u00e9s de um sistema de alimenta\u00e7\u00e3o preciso, normalmente como uma mistura g\u00e1s-s\u00f3lido para garantir uma inje\u00e7\u00e3o uniforme.<\/p>\n\n\n\n<p><strong>Fus\u00e3o e esferoidiza\u00e7\u00e3o:<\/strong><br>\u00c0 medida que as part\u00edculas atravessam a regi\u00e3o do plasma, absorvem calor rapidamente e sofrem fus\u00e3o superficial ou completa. Sob a a\u00e7\u00e3o da tens\u00e3o superficial, as part\u00edculas de s\u00edlica fundida contraem-se, formando esferas quase perfeitas.<\/p>\n\n\n\n<p><strong>T\u00eampera e resfriamento:<\/strong><br>Ap\u00f3s sa\u00edrem da zona de alta temperatura, as part\u00edculas esf\u00e9ricas fundidas s\u00e3o imediatamente direcionadas para uma zona de resfriamento r\u00e1pido (t\u00eampera) \u2014 geralmente uma atmosfera de g\u00e1s inerte ou ar \u2014 para solidificar rapidamente a forma esf\u00e9rica e evitar aglomera\u00e7\u00e3o ou deforma\u00e7\u00e3o.<\/p>\n\n\n\n<p><strong>Cole\u00e7\u00e3o:<\/strong><br>As part\u00edculas esf\u00e9ricas de s\u00edlica solidificadas s\u00e3o coletadas utilizando um separador cicl\u00f4nico ou um filtro de mangas.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">P\u00f3s-processamento (determina o desempenho final do aplicativo)<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Dispers\u00e3o e <a href=\"https:\/\/quartz-grinding.epic-powder.com\/pt\/ultrafine-air-classifier\/\">Classifica\u00e7\u00e3o<\/a><\/h3>\n\n\n\n<p>Embora a fus\u00e3o por plasma reduza a aglomera\u00e7\u00e3o, a classifica\u00e7\u00e3o por ar de alta precis\u00e3o ou a dispers\u00e3o ultrass\u00f4nica ainda s\u00e3o necess\u00e1rias para remover part\u00edculas irregulares ultrafinas e de tamanho excessivo, garantindo uma distribui\u00e7\u00e3o granulom\u00e9trica e esfericidade adequadas.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><a href=\"https:\/\/quartz-grinding.epic-powder.com\/pt\/surface-modification\/\">Modifica\u00e7\u00e3o de superf\u00edcie<\/a><\/h3>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"800\" height=\"523\" src=\"https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2025\/10\/powder-coating-machine-1.webp\" alt=\"m\u00e1quina de revestimento em p\u00f3\" class=\"wp-image-3392\" srcset=\"https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2025\/10\/powder-coating-machine-1.webp 800w, https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2025\/10\/powder-coating-machine-1-300x196.webp 300w, https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2025\/10\/powder-coating-machine-1-768x502.webp 768w, https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2025\/10\/powder-coating-machine-1-18x12.webp 18w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/><\/figure>\n\n\n\n<p>Para aplica\u00e7\u00f5es de encapsulamento eletr\u00f4nico, a s\u00edlica esf\u00e9rica geralmente requer tratamento de superf\u00edcie com silano para melhorar a compatibilidade e a dispers\u00e3o em matrizes ep\u00f3xi.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Tipos de silano:<\/strong>\n<ul class=\"wp-block-list\">\n<li>KH550 \/ KH560 \/ KH570 \u2192 para EMC, CCL<\/li>\n\n\n\n<li>Fenil\/metil silano \u2192 para materiais de silicone de alta temperatura<\/li>\n\n\n\n<li>Ep\u00f3xi\/acrilato silano \u2192 para materiais de interface t\u00e9rmica<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Principais fatores que afetam a esfericidade<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Distribui\u00e7\u00e3o do tamanho das part\u00edculas do p\u00f3 bruto<\/strong><br>Um tamanho de part\u00edcula mais estreito e uniforme permite um aquecimento e fus\u00e3o mais homog\u00eaneos no plasma, melhorando a taxa de esferoidiza\u00e7\u00e3o.<\/li>\n\n\n\n<li><strong>Temperatura do plasma e tempo de resid\u00eancia<\/strong>\n<ul class=\"wp-block-list\">\n<li><strong>Temperatura:<\/strong> Deve ser suficientemente alta para garantir o derretimento instant\u00e2neo.<\/li>\n\n\n\n<li><strong>Tempo de perman\u00eancia:<\/strong> O tempo de rea\u00e7\u00e3o deve ser controlado com precis\u00e3o \u2014 suficientemente longo para que ocorra o derretimento completo, mas suficientemente curto para evitar a vaporiza\u00e7\u00e3o ou a aglomera\u00e7\u00e3o.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Taxa de resfriamento<\/strong><br>O resfriamento r\u00e1pido \u00e9 crucial. O resfriamento lento causa deforma\u00e7\u00e3o ou ader\u00eancia entre as part\u00edculas, reduzindo a esfericidade.<\/li>\n\n\n\n<li><strong>Taxa de alimenta\u00e7\u00e3o e uniformidade<\/strong><br>A alimenta\u00e7\u00e3o deve ser est\u00e1vel e uniforme. Uma taxa muito r\u00e1pida reduz o tempo de aquecimento por part\u00edcula, resultando em part\u00edculas irregulares e parcialmente derretidas.<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\"><a href=\"https:\/\/quartz-grinding.epic-powder.com\/pt\/contact\/\">Conclus\u00e3o<\/a><\/h2>\n\n\n\n<p>A produ\u00e7\u00e3o de microp\u00f3 de s\u00edlica de alta esfericidade a partir de p\u00f3 de quartzo \u00e9 um processo integrado complexo que envolve refino de alta pureza, moagem ultrafina e classifica\u00e7\u00e3o, al\u00e9m de fus\u00e3o por plasma em alta temperatura. Controlando rigorosamente a pureza da mat\u00e9ria-prima, otimizando os par\u00e2metros de fus\u00e3o por plasma (temperatura e tempo de resid\u00eancia) e garantindo um resfriamento r\u00e1pido e eficiente, os fabricantes podem produzir, de forma confi\u00e1vel, s\u00edlica esf\u00e9rica de alta pureza e alta esfericidade que atende aos rigorosos requisitos de embalagens eletr\u00f4nicas avan\u00e7adas e aplica\u00e7\u00f5es de materiais especiais.<\/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:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2025\/11\/Emily-Chen.webp\" alt=\"Emily Chen\" class=\"wp-image-3549\" style=\"width:150px;height:150px\" srcset=\"https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2025\/11\/Emily-Chen.webp 721w, https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2025\/11\/Emily-Chen-300x300.webp 300w, https:\/\/quartz-grinding.epic-powder.com\/wp-content\/uploads\/2025\/11\/Emily-Chen-150x150.webp 150w, https:\/\/quartz-grinding.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\/3565#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\/3565#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>O microp\u00f3 de s\u00edlica de alta esfericidade (esfericidade \u2265 0,95, frequentemente denominado SiO\u2082 esf\u00e9rico) \u00e9 um p\u00f3 funcional essencial em \u00e1reas avan\u00e7adas como substratos 5G, laminados revestidos de cobre (CCL), compostos de moldagem ep\u00f3xi EMC, adesivos de silicone e materiais de interface t\u00e9rmica. O p\u00f3 de quartzo tradicional, produzido por tritura\u00e7\u00e3o mec\u00e2nica, apresenta formas angulares irregulares. O uso direto resulta em alta viscosidade do sistema, baixo poder de preenchimento [\u2026]<\/p>","protected":false},"author":1,"featured_media":3559,"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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