{"id":15768,"date":"2024-04-26T03:38:22","date_gmt":"2024-04-26T03:38:22","guid":{"rendered":"http:\/\/quartz-grinding.com\/?p=15768"},"modified":"2024-04-26T03:38:25","modified_gmt":"2024-04-26T03:38:25","slug":"application-processing-technology-and-development-trends-of-silica-powder","status":"publish","type":"post","link":"https:\/\/www.quartz-grinding.com\/fr\/application-processing-technology-and-development-trends-of-silica-powder\/","title":{"rendered":"Application, technologie de traitement et tendances de d\u00e9veloppement de la poudre de silice"},"content":{"rendered":"<p>La poudre de microsilice provient du quartz naturel (SiO2) ou du quartz fondu. Le quartz fondu est du SiO2 amorphe obtenu en faisant fondre et en refroidissant du quartz naturel \u00e0 haute temp\u00e9rature. Le processus comprend le concassage. Il comprend \u00e9galement le broyage \u00e0 boulets. Il peut s&#039;agir d&#039;un fraisage par vibration ou par flux d&#039;air. Cela implique \u00e9galement la flottation, le d\u00e9capage et la purification. Enfin, il comprend un traitement de l\u2019eau de haute puret\u00e9. Une technologie avanc\u00e9e fabrique la micro-poudre. La poudre de microsilice est inodore et non toxique. C&#039;est un non-m\u00e9tal non polluant et d&#039;une grande duret\u00e9. Il pr\u00e9sente \u00e9galement une faible conductivit\u00e9 thermique, une r\u00e9sistance aux temp\u00e9ratures \u00e9lev\u00e9es et des propri\u00e9t\u00e9s chimiques stables.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"516\" height=\"516\" src=\"http:\/\/quartz-grinding.com\/wp-content\/uploads\/2023\/08\/quartz-sand-glass-uai-516x516-1.jpg\" alt=\"poudre de quartz\" class=\"wp-image-15669\" srcset=\"https:\/\/www.quartz-grinding.com\/wp-content\/uploads\/2023\/08\/quartz-sand-glass-uai-516x516-1.jpg 516w, https:\/\/www.quartz-grinding.com\/wp-content\/uploads\/2023\/08\/quartz-sand-glass-uai-516x516-1-100x100.jpg 100w, https:\/\/www.quartz-grinding.com\/wp-content\/uploads\/2023\/08\/quartz-sand-glass-uai-516x516-1-300x300.jpg 300w\" sizes=\"(max-width: 516px) 100vw, 516px\" \/><figcaption class=\"wp-element-caption\">poudre de quartz<\/figcaption><\/figure>\n\n\n\n<p>La qualit\u00e9 divise la poudre de silice en ces types. Ils sont : ordinaires, \u00e9lectriques, fondus, ultrafins et sph\u00e9riques. Il peut \u00eatre divis\u00e9 selon l&#039;utilisation. Il existe de la microsilice pour\u00a0: les peintures, les rev\u00eatements, les sols \u00e9poxy, le caoutchouc, les mastics, les plastiques \u00e9lectroniques et les c\u00e9ramiques de pr\u00e9cision. Le processus de production le divise en : poudres cristallines, cristobalites, fondues et actives.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-application-of-silica-powder\">Application de poudre de silice<\/h2>\n\n\n\n<p>Il existe diff\u00e9rents niveaux de qualit\u00e9. La poudre de silice peut \u00eatre utilis\u00e9e aussi bien dans le caoutchouc que dans les plastiques. Il est \u00e9galement utilis\u00e9 dans les peintures avanc\u00e9es, les rev\u00eatements, les mat\u00e9riaux r\u00e9fractaires, l&#039;isolation \u00e9lectrique et les emballages \u00e9lectroniques. Il est \u00e9galement utilis\u00e9 dans la c\u00e9ramique haut de gamme, le moulage de pr\u00e9cision et d\u2019autres domaines.<\/p>\n\n\n\n<p>Les gens utilisent principalement de la poudre de silice ordinaire comme charge. Ils l&#039;utilisent dans les rev\u00eatements en r\u00e9sine \u00e9poxy. Ils l\u2019utilisent \u00e9galement dans les mat\u00e9riaux d\u2019empotage et les baguettes de soudage. C&#039;est dans les secteurs de la fonderie de m\u00e9taux et de la c\u00e9ramique, du caoutchouc de silicone, des peintures et d&#039;autres industries chimiques. La poudre est principalement utilis\u00e9e dans la coul\u00e9e d\u2019isolants. Ceci concerne les appareils et pi\u00e8ces \u00e9lectriques normaux. Il est \u00e9galement utilis\u00e9 pour les appareils \u00e9lectriques \u00e0 haute tension. Il est utilis\u00e9 dans les mat\u00e9riaux d&#039;injection APG. \u00c9galement en empotage \u00e9poxy et \u00e9maux c\u00e9ramiques haut de gamme.<\/p>\n\n\n\n<figure class=\"wp-block-table aligncenter\"><table><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\">Sp\u00e9cifications\/maille<\/td><td class=\"has-text-align-center\" data-align=\"center\">Taille m\u00e9diane des particules D50\/\u03bcm<\/td><td class=\"has-text-align-center\" data-align=\"center\">Surface sp\u00e9cifique\/(cm2\/g)<\/td><td class=\"has-text-align-center\" data-align=\"center\">granularit\u00e9 cumul\u00e9e<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">300<\/td><td class=\"has-text-align-center\" data-align=\"center\">21.00~25.00<\/td><td class=\"has-text-align-center\" data-align=\"center\">1700~2100<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u226450\u03bcm\u226575%<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">400<\/td><td class=\"has-text-align-center\" data-align=\"center\">16.00~20.00<\/td><td class=\"has-text-align-center\" data-align=\"center\">2100~2400<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u226439\u03bcm\u226575%<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">600<\/td><td class=\"has-text-align-center\" data-align=\"center\">11.00~15.00<\/td><td class=\"has-text-align-center\" data-align=\"center\">2400~3000<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u226425\u03bcm\u226575%<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">1000<\/td><td class=\"has-text-align-center\" data-align=\"center\">8.00~10.00<\/td><td class=\"has-text-align-center\" data-align=\"center\">3000~4000<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u226410\u03bcm\u226565%<\/td><\/tr><\/tbody><\/table><figcaption class=\"wp-element-caption\">Exigences de distribution granulom\u00e9trique pour la poudre de silice de qualit\u00e9 \u00e9lectrique et \u00e9lectronique<\/figcaption><\/figure>\n\n\n\n<p>La poudre est principalement utilis\u00e9e dans le plastique et les emballages de circuits et de composants. Il est \u00e9galement utilis\u00e9 dans les \u00e9poxy et les charges pour les peintures, les rev\u00eatements, les plastiques, les adh\u00e9sifs, le caoutchouc et les pi\u00e8ces moul\u00e9es. , charges de gla\u00e7ure c\u00e9ramique haut de gamme et autres domaines chimiques. La consommation annuelle de mastics plastiques \u00e9poxy s&#039;\u00e9l\u00e8ve \u00e0 des dizaines de milliers de tonnes et la teneur en poudre de silice de remplissage repr\u00e9sente 70% \u00e0 90%.<\/p>\n\n\n\n<p>La teneur en SiO2 de la poudre de silice ultrafine de haute puret\u00e9 est sup\u00e9rieure \u00e0 99,9%. Il contient de petites particules. Ils ont une grande surface et une grande puret\u00e9. Ils ont \u00e9galement de bonnes propri\u00e9t\u00e9s remplissantes. Il est principalement utilis\u00e9 dans les joints en plastique pour les circuits int\u00e9gr\u00e9s \u00e0 grande et tr\u00e8s grande \u00e9chelle. \u00c9galement dans les joints en plastique pour composants \u00e9lectroniques et dans les mat\u00e9riaux de moulage \u00e9poxy. Il est \u00e9galement utilis\u00e9 dans les rev\u00eatements et peintures haut de gamme. Il est \u00e9galement utilis\u00e9 dans les plastiques techniques, les adh\u00e9sifs, le caoutchouc de silicone, les moulages de pr\u00e9cision, les c\u00e9ramiques avanc\u00e9es et les produits chimiques. champ.<\/p>\n\n\n\n<p>La poudre de silice sph\u00e9rique remplit rapidement les moules. Cela est vrai parce que son coefficient de dilatation est faible. Sa conductivit\u00e9 thermique est donc faible. Le mastic plastique a la concentration de contraintes la plus faible et la r\u00e9sistance la plus \u00e9lev\u00e9e. Il a un faible coefficient de frottement. Cela signifie qu&#039;il porte moins les moisissures. Il est principalement utilis\u00e9 dans les mastics plastiques \u00e9lectroniques. Il est \u00e9galement utilis\u00e9 dans les rev\u00eatements, les sols \u00e9poxy, le caoutchouc de silicone et d&#039;autres domaines.<\/p>\n\n\n\n<p>Pour mieux m\u00e9langer les charges non m\u00e9talliques avec les polym\u00e8res, broyer, purifier et alt\u00e9rer les min\u00e9raux. Des particules de charge plus petites et une dispersion plus uniforme am\u00e9liorent les propri\u00e9t\u00e9s du produit.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-ultrafine-grinding-of-silica-powder\">Broyage ultrafin de poudre de silice<\/h2>\n\n\n\n<p>Nous utilisons des min\u00e9raux de quartz naturels comme mati\u00e8res premi\u00e8res pour fabriquer une poudre ultra fine. Il ne s\u2019agit pas seulement de r\u00e9pondre \u00e0 la demande du march\u00e9, mais \u00e9galement de r\u00e9duire les impuret\u00e9s nocives. Les min\u00e9raux naturels de quartz contiennent un grand nombre d\u2019inclusions et de fissures. L&#039;utilisation d&#039;une technologie de concassage ultra-fine r\u00e9duit consid\u00e9rablement le nombre de fissures et de d\u00e9fauts. Le processus de purification combin\u00e9 au processus r\u00e9duit les impuret\u00e9s nocives. Vous devez pr\u00e9parer de la poudre cristalline. Cela comprend les poudres de cristobalite, fondues et actives. Pour ce faire, vous les broyez et les classez.<\/p>\n\n\n\n<p>Le choix d&#039;un meulage tr\u00e8s fin et d&#039;un \u00e9quipement de classification tr\u00e8s fin affectera directement le rendement. Cela affectera la qualit\u00e9 et la forme de la poudre dans le produit final. \u00c0 l&#039;heure actuelle, les combinaisons d&#039;unit\u00e9s d&#039;\u00e9quipements de broyage ultra-fin et de classification ultra-fine comprennent : un broyeur \u00e0 boulets plus classification, un broyeur vibrant excentrique plus classification et un broyeur vibrant plus classification.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"907\" height=\"452\" src=\"http:\/\/quartz-grinding.com\/wp-content\/uploads\/2024\/04\/Ballmilling-classification.webp\" alt=\"\" class=\"wp-image-15770\" srcset=\"https:\/\/www.quartz-grinding.com\/wp-content\/uploads\/2024\/04\/Ballmilling-classification.webp 907w, https:\/\/www.quartz-grinding.com\/wp-content\/uploads\/2024\/04\/Ballmilling-classification-300x150.webp 300w, https:\/\/www.quartz-grinding.com\/wp-content\/uploads\/2024\/04\/Ballmilling-classification-768x383.webp 768w, https:\/\/www.quartz-grinding.com\/wp-content\/uploads\/2024\/04\/Ballmilling-classification-18x9.webp 18w, https:\/\/www.quartz-grinding.com\/wp-content\/uploads\/2024\/04\/Ballmilling-classification-600x299.webp 600w\" sizes=\"(max-width: 907px) 100vw, 907px\" \/><figcaption class=\"wp-element-caption\">Broyeur \u00e0 boulets \u2013 flux de processus de production en circuit ferm\u00e9 de poudre de silice class\u00e9e<\/figcaption><\/figure>\n\n\n<div data-block-name=\"woocommerce\/handpicked-products\" data-products=\"[12311,12300,12294]\" class=\"wc-block-grid wp-block-handpicked-products wp-block-woocommerce-handpicked-products wc-block-handpicked-products has-3-columns has-multiple-rows\"><ul class=\"wc-block-grid__products\"><li class=\"wc-block-grid__product\">\n\t\t\t\t<a href=\"https:\/\/www.quartz-grinding.com\/fr\/products\/ball-mill-and-air-classifier-production-line\/\" class=\"wc-block-grid__product-link\">\n\t\t\t\t\t\n\t\t\t\t\t<div class=\"wc-block-grid__product-image\"><img decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/www.quartz-grinding.com\/wp-content\/uploads\/2023\/05\/Classifying-and-Ball-Mill-Production-Line-1-uai-720x540-1-300x300.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Cha\u00eene de production de classification et broyeur \u00e0 boulets\" \/><\/div>\n\t\t\t\t\t<div class=\"wc-block-grid__product-title\">Ligne de production de broyeur \u00e0 boulets et de classificateur d&#039;air<\/div>\n\t\t\t\t<\/a>\n\t\t\t\t<div class=\"wc-block-grid__product-price price\"><\/div>\n\t\t\t\t\n\t\t\t\t<div class=\"wp-block-button wc-block-grid__product-add-to-cart\"><a href=\"https:\/\/www.quartz-grinding.com\/fr\/products\/ball-mill-and-air-classifier-production-line\/\" aria-label=\"En savoir plus sur \u201cBall Mill and Air Classifier Production Line\u201d\" data-quantity=\"1\" data-product_id=\"12311\" data-product_sku=\"12311\" data-price=\"0\" rel=\"nofollow\" class=\"wp-block-button__link  add_to_cart_button\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\">Lire la suite<\/a><\/div>\n\t\t\t<\/li><li class=\"wc-block-grid__product\">\n\t\t\t\t<a href=\"https:\/\/www.quartz-grinding.com\/fr\/products\/horizontal-air-classifier\/\" class=\"wc-block-grid__product-link\">\n\t\t\t\t\t\n\t\t\t\t\t<div class=\"wc-block-grid__product-image\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/www.quartz-grinding.com\/wp-content\/uploads\/2023\/05\/fl-air-classifier-4-300x300.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"classificateur d&#039;air\" \/><\/div>\n\t\t\t\t\t<div class=\"wc-block-grid__product-title\">S\u00e9parateur d&#039;air horizontal<\/div>\n\t\t\t\t<\/a>\n\t\t\t\t<div class=\"wc-block-grid__product-price price\"><\/div>\n\t\t\t\t\n\t\t\t\t<div class=\"wp-block-button wc-block-grid__product-add-to-cart\"><a href=\"https:\/\/www.quartz-grinding.com\/fr\/products\/horizontal-air-classifier\/\" aria-label=\"En savoir plus sur \u201cHorizontal Air Classifier\u201d\" data-quantity=\"1\" data-product_id=\"12300\" data-product_sku=\"12300\" data-price=\"0\" rel=\"nofollow\" class=\"wp-block-button__link  add_to_cart_button\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\">Lire la suite<\/a><\/div>\n\t\t\t<\/li><li class=\"wc-block-grid__product\">\n\t\t\t\t<a href=\"https:\/\/www.quartz-grinding.com\/fr\/products\/horizontal-fluidized-bed-jet-mill\/\" class=\"wc-block-grid__product-link\">\n\t\t\t\t\t\n\t\t\t\t\t<div class=\"wc-block-grid__product-image\"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"300\" src=\"https:\/\/www.quartz-grinding.com\/wp-content\/uploads\/2023\/05\/MQW01-300x300.webp\" class=\"attachment-woocommerce_thumbnail size-woocommerce_thumbnail\" alt=\"Broyeur \u00e0 jet MQW\" \/><\/div>\n\t\t\t\t\t<div class=\"wc-block-grid__product-title\">Broyeur \u00e0 jet horizontal \u00e0 lit fluidis\u00e9<\/div>\n\t\t\t\t<\/a>\n\t\t\t\t<div class=\"wc-block-grid__product-price price\"><\/div>\n\t\t\t\t\n\t\t\t\t<div class=\"wp-block-button wc-block-grid__product-add-to-cart\"><a href=\"https:\/\/www.quartz-grinding.com\/fr\/products\/horizontal-fluidized-bed-jet-mill\/\" aria-label=\"En savoir plus sur \u201cHorizontal Fluidized Bed Jet Mill\u201d\" data-quantity=\"1\" data-product_id=\"12294\" data-product_sku=\"12294\" data-price=\"0\" rel=\"nofollow\" class=\"wp-block-button__link  add_to_cart_button\" data-no-translation=\"\" data-trp-gettext=\"\" data-no-translation-aria-label=\"\">Lire la suite<\/a><\/div>\n\t\t\t<\/li><\/ul><\/div>\n\n\n<p>Cette ligne de production est class\u00e9e broyeur \u00e0 boulets. Il a : un gros rendement. Son utilisation est simple. Les co\u00fbts d&#039;entretien sont faibles. Il offre un choix de supports de broyage et de plaques de rev\u00eatement. Il provoque peu de pollution lors du traitement des mat\u00e9riaux de haute puret\u00e9. L&#039;\u00e9quipement fonctionne de mani\u00e8re fiable et fabrique des produits stables. L\u2019ajout de micropoudre de silice \u00e0 un produit peut le rendre tr\u00e8s blanc. Cela peut \u00e9galement lui donner une bonne brillance et une qualit\u00e9 stable. Nous obtenons de la poudre de silice ultra-fine de haute puret\u00e9 en \u00e9crasant ou en broyant davantage et en classifiant le sable pur.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-surface-modification-of-silica-powder\">Modification de surface de la poudre de silice<\/h2>\n\n\n\n<p>L&#039;effet de l&#039;agent de couplage silane sur <a href=\"https:\/\/www.epic-powder.com\/machines\/Powder-Surface-Modification-Machine\/\">modification de la surface<\/a> de poudre de silice est tr\u00e8s id\u00e9ale. Cela change le caract\u00e8re hydrophile de la poudre de silice en une surface organophile. Il am\u00e9liore \u00e9galement la mouillabilit\u00e9 des polym\u00e8res organiques \u00e0 la poudre. Il cr\u00e9e une forte liaison covalente entre la poudre de silice et les polym\u00e8res organiques en ajoutant des groupes fonctionnels. .<\/p>\n\n\n\n<p>L&#039;effet de l&#039;agent de couplage silane d\u00e9pend de son type, de son dosage et des conditions d&#039;hydrolyse. Les caract\u00e9ristiques du substrat, les circonstances d\u2019application ainsi que les m\u00e9thodes et conditions des mat\u00e9riaux polym\u00e8res organiques jouent tous un r\u00f4le.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-spherization-of-silica-powder\">Sph\u00e9risation de poudre de silice<\/h2>\n\n\n\n<p>\u00c0 l&#039;heure actuelle, le 97% des mat\u00e9riaux d&#039;emballage de circuits int\u00e9gr\u00e9s (CI) utilise un compos\u00e9 de moulage \u00e9poxy (EMC). Parmi les composants de l&#039;EMC, la poudre de silicium est la plus utilis\u00e9e, repr\u00e9sentant 70% \u00e0 90% de la masse du compos\u00e9 de moulage \u00e9poxy. La poudre de silice en forme d&#039;anneau a un taux de remplissage plus \u00e9lev\u00e9 que la poudre de silice angulaire. Il pr\u00e9sente \u00e9galement un coefficient de dilatation thermique plus faible et une conductivit\u00e9 thermique inf\u00e9rieure aux mat\u00e9riaux de moulage \u00e9poxy. Il pr\u00e9sente moins de concentration de contraintes, une r\u00e9sistance \u00e9lev\u00e9e et de meilleures performances dans les dispositifs micro\u00e9lectroniques. Par cons\u00e9quent, en plus de la haute puret\u00e9 et de l\u2019ultrafine, la sph\u00e9ro\u00efdisation des particules est \u00e9galement devenue l\u2019une des tendances de d\u00e9veloppement de la poudre de silice.<\/p>\n\n\n\n<p>Nous pouvons diviser les m\u00e9thodes actuelles de fabrication de poudre de silice ronde en m\u00e9thodes physiques et chimiques. Les m\u00e9thodes physiques comprennent\u00a0: la m\u00e9thode \u00e0 la flamme, la m\u00e9thode par injection de mati\u00e8re fondue, la m\u00e9thode de combustion \u00e0 basse temp\u00e9rature, la m\u00e9thode au plasma et la calcination \u00e0 haute temp\u00e9rature. Les m\u00e9thodes chimiques incluent la m\u00e9thode en phase gazeuse. Ils comprennent \u00e9galement la m\u00e9thode hydrothermale, la m\u00e9thode sol-gel, la m\u00e9thode de pr\u00e9cipitation et la m\u00e9thode par micro\u00e9mulsion. La m\u00e9thode chimique entra\u00eene une agglom\u00e9ration importante des particules. Ses produits ont une grande surface sp\u00e9cifique, une valeur d&#039;absorption d&#039;huile \u00e9lev\u00e9e et sont difficiles \u00e0 m\u00e9langer avec l&#039;\u00e9poxy lorsqu&#039;ils sont utilis\u00e9s en grandes quantit\u00e9s. C\u2019est pourquoi la m\u00e9thode physique est actuellement principalement utilis\u00e9e dans l\u2019industrie.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-overview-of-the-development-of-silica-powder-industry\">Aper\u00e7u du d\u00e9veloppement de l&#039;industrie de la poudre de silice<\/h2>\n\n\n\n<p>L\u2019industrie de la poudre de microsilice est une industrie \u00e0 forte intensit\u00e9 de capital, de technologie et de ressources. Avec le d\u00e9veloppement des industries de haute technologie, la poudre de silice est de plus en plus utilis\u00e9e et son dosage augmente. Le monde a besoin de poudre de silicium de haute puret\u00e9 et ultra pure. Le besoin augmentera rapidement avec la croissance de l&#039;industrie des circuits int\u00e9gr\u00e9s. On estime que la demande mondiale augmentera au rythme de 20% au cours des 10 prochaines ann\u00e9es. La poudre de silice ultrafine et pure est d\u00e9sormais un point chaud dans l&#039;industrie. La poudre de silice sph\u00e9rique est le nouvel objectif de l&#039;industrie. Et la technologie de modification de surface a encore progress\u00e9.<\/p>","protected":false},"excerpt":{"rendered":"<p>La poudre de microsilice provient du quartz naturel (SiO2) ou du quartz fondu. Le quartz fondu est du SiO2 amorphe obtenu en faisant fondre et en refroidissant du quartz naturel \u00e0 haute temp\u00e9rature. Le processus comprend le concassage. [\u2026]<\/p>","protected":false},"author":1,"featured_media":15770,"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":"","background-image":"","background-repeat":"repeat","background-position":"center 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