{"id":163,"count":0,"description":"<div class=\"pt-20\">\r\n\r\n<img class=\"alignright\" src=\"\/wp-content\/uploads\/2025\/02\/a17046a2a3907907b6b0.png\" alt=\"\" width=\"348\" height=\"348\" \/><strong>Co je keramika ze spinelu ho\u0159e\u010dnato-hlinit\u00e9ho (MgAl\u2082O\u2084)?<\/strong>\r\n\r\nReaction precursor formulation: MgO\u00b7Al\u2082O\u2083\r\nCommon abbreviation: Spinel (MA)\r\n\r\nMagnesium aluminate spinel ceramic, with the chemical formula MgAl\u2082O\u2084, is an advanced ceramic material widely used for crucibles or as liners in the melting industry. Its main component is MgAl\u2082O\u2084. Its dense and vitrified structure provides higher thermal shock resistance. Magnesium aluminate spinel can be further categorized into magnesia-rich spinel and alumina-rich spinel, based on the varying content of the two key components\u2014magnesia and alumina\u2014in the synthesized spinel.\r\n<p data-start=\"172\" data-end=\"212\"><strong>Vlastnosti materi\u00e1lu a v\u00fdhody<\/strong><\/p>\r\n<p class=\"\" data-start=\"213\" data-end=\"314\">Ve srovn\u00e1n\u00ed s magn\u00e9ziovo-chromitov\u00fdmi \u017e\u00e1ruvzdorn\u00fdmi materi\u00e1ly nab\u00edz\u00ed spinel ho\u0159e\u010dnato-hlinit\u00fd n\u00e1sleduj\u00edc\u00ed v\u00fdhody:<\/p>\r\n\r\n<ul data-start=\"316\" data-end=\"508\">\r\n \t<li class=\"\" data-start=\"316\" data-end=\"446\">\r\n<p class=\"\" data-start=\"318\" data-end=\"446\">Vynikaj\u00edc\u00ed odolnost v\u016f\u010di reduk\u010dn\u00edm atmosf\u00e9r\u00e1m (nap\u0159. CO), plyn\u016fm obsahuj\u00edc\u00edm s\u00edru (SO\u2082\/SO\u2083) a par\u00e1m alkalick\u00fdch kov\u016f (K\u2082O, Na\u2082O)<\/p>\r\n<\/li>\r\n \t<li class=\"\" data-start=\"447\" data-end=\"508\">\r\n<p class=\"\" data-start=\"449\" data-end=\"508\">V\u00fdborn\u00e1 odolnost v\u016f\u010di teplotn\u00edm \u0161ok\u016fm a korozi<\/p>\r\n<\/li>\r\n<\/ul>\r\n<\/div>\r\n<a class=\"pro-detail-btn\" href=\"https:\/\/weiert-ceramics.com\/cs\/contact\/\">KONTAKTUJTE N\u00c1S<\/a>\r\n\r\n<strong>Pou\u017eit\u00ed spinelov\u00e9 keramiky (MgAl\u2082O\u2084)<\/strong>\r\n<table border=\"1\" width=\"100%\" cellspacing=\"0\">\r\n<tbody>\r\n<tr>\r\n<td colspan=\"3\" align=\"center\" valign=\"center\" height=\"30\">\r\n<p align=\"center\"><strong>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/strong><strong>\u00a0\u00a0\u00a0<\/strong><strong>P<\/strong><strong>Vlastnosti <\/strong><strong>MA-Spinelu<\/strong><strong>pinel<\/strong><strong>\u00a0<\/strong><strong>\u00a0<\/strong><strong>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/strong><strong>WEIERT<\/strong><\/p>\r\n<\/td>\r\n<\/tr>\r\n<tr>\r\n<td colspan=\"3\" align=\"center\" valign=\"center\" height=\"30\">\r\n<p align=\"center\"><strong>\u00a0<\/strong><strong>Sintered <\/strong><strong>Slinut\u00e9 chemick\u00e9 slo\u017een\u00ed<\/strong><strong>\u00a0<\/strong><\/p>\r\n<\/td>\r\n<\/tr>\r\n<tr>\r\n<td align=\"center\" valign=\"center\" width=\"819\" height=\"30\">MgAl\u2082O\u2084 (%)<\/td>\r\n<td colspan=\"2\" align=\"center\" valign=\"center\" height=\"30\">\r\n<p align=\"center\">98.2<\/p>\r\n<\/td>\r\n<\/tr>\r\n<tr>\r\n<td align=\"center\" valign=\"center\" height=\"30\">CaO (%)<\/td>\r\n<td colspan=\"2\" align=\"center\" valign=\"center\" height=\"30\">\r\n<p align=\"center\">0.48<\/p>\r\n<\/td>\r\n<\/tr>\r\n<tr>\r\n<td align=\"center\" valign=\"center\" height=\"30\">Fe\u2082O\u2083 (%)<\/td>\r\n<td colspan=\"2\" align=\"center\" valign=\"center\" height=\"30\">\r\n<p align=\"center\">&lt; 0.23<\/p>\r\n<\/td>\r\n<\/tr>\r\n<tr>\r\n<td align=\"center\" valign=\"center\" height=\"30\">SiO\u2082 (%)<\/td>\r\n<td colspan=\"2\" align=\"center\" valign=\"center\" height=\"30\">\r\n<p align=\"center\">0.27<\/p>\r\n<\/td>\r\n<\/tr>\r\n<tr>\r\n<td colspan=\"3\" align=\"center\" valign=\"center\" height=\"30\">\r\n<p align=\"center\"><strong>Sintered <\/strong><strong>T<\/strong><strong>Slinut\u00e9 tepeln\u00e9 a fyzik\u00e1ln\u00ed vlastnosti <\/strong><strong>P<\/strong><strong>hysical <\/strong><strong>P<\/strong><strong>roperties <\/strong><\/p>\r\n<\/td>\r\n<\/tr>\r\n<tr>\r\n<td colspan=\"2\" align=\"center\" valign=\"center\" height=\"30\">Hustota (g\/cm3)<\/td>\r\n<td align=\"center\" valign=\"center\" width=\"818\" height=\"30\">\r\n<p align=\"center\">3.4<\/p>\r\n<\/td>\r\n<\/tr>\r\n<tr>\r\n<td colspan=\"2\" align=\"center\" valign=\"center\" height=\"30\">Tepeln\u00e1 vodivost  (W\/m.K)<\/td>\r\n<td align=\"center\" valign=\"center\" height=\"30\">\r\n<p align=\"center\">5.9<\/p>\r\n<\/td>\r\n<\/tr>\r\n<tr>\r\n<td colspan=\"2\" align=\"center\" valign=\"center\" height=\"30\">Koeficient tepeln\u00e9 rozta\u017enosti (dL\/L\u00b7K\u00b710\u207b\u2076)<\/td>\r\n<td align=\"center\" valign=\"center\" height=\"30\">\r\n<p align=\"center\">7.5<\/p>\r\n<\/td>\r\n<\/tr>\r\n<tr>\r\n<td colspan=\"3\" align=\"center\" valign=\"center\" height=\"30\">\r\n<p align=\"center\"><strong>Vlastnosti pr\u00e1\u0161ku<\/strong><\/p>\r\n<\/td>\r\n<\/tr>\r\n<tr>\r\n<td colspan=\"2\" align=\"center\" valign=\"center\" height=\"30\">St\u0159edn\u00ed velikost \u010d\u00e1stic D\u2085\u2080 (10\u207b\u2076 m)<\/td>\r\n<td align=\"center\" valign=\"center\" height=\"30\">\r\n<p align=\"center\">40<\/p>\r\n<\/td>\r\n<\/tr>\r\n<\/tbody>\r\n<\/table>\r\n*Hodnoty p\u0159edstavuj\u00ed typick\u00e9 vlastnosti materi\u00e1lu a mohou se li\u0161it v z\u00e1vislosti na konfiguraci v\u00fdrobku a v\u00fdrobn\u00edm procesu. Pro dal\u0161\u00ed informace n\u00e1s nev\u00e1hejte <a href=\"https:\/\/weiert-ceramics.com\/cs\/contact\/\">kontaktovat<\/a>.\r\n\r\n<strong>Pou\u017eit\u00ed spinelov\u00e9 keramiky (MgAl\u2082O\u2084)<\/strong>\r\nS ohledem na n\u00edzk\u00fd koeficient tepeln\u00e9 rozta\u017enosti po slinov\u00e1n\u00ed se spinel ho\u0159e\u010dnato-hlinit\u00fd b\u011b\u017en\u011b pou\u017e\u00edv\u00e1 pro v\u00fdrobu kel\u00edmk\u016f a v\u00fdstelek v tavic\u00edm pr\u016fmyslu. Nap\u0159\u00edklad spinelov\u00e9 kel\u00edmky vykazuj\u00ed vysokou odolnost proti korozi zp\u016fsoben\u00e9 roztavenou ocel\u00ed na b\u00e1zi neodymu-\u017eeleza-boru, a proto se hod\u00ed pro taven\u00ed permanentn\u00edch magnet\u016f nebo vz\u00e1cn\u00fdch zemin. Krom\u011b toho m\u00e1 spinelov\u00e1 keramika zna\u010dn\u00fd nevyu\u017eit\u00fd potenci\u00e1l pro pou\u017eit\u00ed v procesech taven\u00ed slitin.<strong>\r\n<\/strong>\r\n\r\n<strong>V\u00fdrobek z ho\u0159e\u010dnato-hlinit\u00e9ho spinelu<\/strong>\r\n<div class=\"row pt-20\">\r\n<div class=\"col-md-3 col-sm-6\" style=\"text-align: center\"><img class=\"alignnone\" src=\"\/wp-content\/uploads\/2025\/04\/d60934ad38ba8277d081.jpg\" alt=\"\" width=\"861\" height=\"861\" \/>\r\n<a href=\"https:\/\/weiert-ceramics.com\/cs\/category\/products\/ceramic-crucibles\/magnesium-aluminate-spinel-crucible-mgal2o4\/\"><strong>MA spinelov\u00fd kel\u00edmek<\/strong><\/a><\/div>\r\n<\/div>\r\n<a class=\"pro-detail-btn\" href=\"https:\/\/weiert-ceramics.com\/cs\/contact\/\">KONTAKTUJTE N\u00c1S<\/a>","link":"https:\/\/weiert-ceramics.com\/cs\/materials\/magnesium-aluminate-spinel-ceramic-mgal%e2%82%82o%e2%82%84\/","name":"Ho\u0159e\u010dnato-hlinit\u00fd spinelov\u00e1 keramika (MgAl\u2082O\u2084)","slug":"magnesium-aluminate-spinel-ceramic-mgal%e2%82%82o%e2%82%84","taxonomy":"category","parent":111,"meta":[],"acf":[],"z_taxonomy_image_url":"https:\/\/weiert-ceramics.com\/wp-content\/uploads\/2025\/02\/a17046a2a3907907b6b0.png","yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.1 (Yoast SEO v27.2) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>MA Spinel for High Performance Applications - Weiert Ceramics Technology Co., Ltd.<\/title>\n<meta name=\"description\" content=\"Discover Magnesium Aluminum Spinel, also known as MA Spinel. Learn more about its uses in ceramics and its remarkable thermal shock resistance.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/weiert-ceramics.com\/cs\/category\/faq\/ceramic-materials-knowledge-base\/ceramic-materials\/magnesium-aluminate-spinel-ceramic-mgal\u2082o\u2084\/\" \/>\n<meta property=\"og:locale\" content=\"cs_CZ\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Magnesium Aluminum Spinel in Melting Industry\" \/>\n<meta property=\"og:description\" content=\"Discover Magnesium Aluminum Spinel and its applications in advanced ceramics. Learn about its properties like thermal shock resistance and more.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/weiert-ceramics.com\/cs\/category\/faq\/ceramic-materials-knowledge-base\/ceramic-materials\/magnesium-aluminate-spinel-ceramic-mgal\u2082o\u2084\/\" \/>\n<meta property=\"og:site_name\" content=\"Weiert Ceramics Technology Co., Ltd.\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"MAS: Understanding Magnesium Aluminate Spinel\" \/>\n<meta name=\"twitter:description\" content=\"Magnesium Aluminum Spinel is essential for high performance in melting industries. Delve into its unique properties and usage in ceramics.\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"CollectionPage\",\"@id\":\"https:\/\/weiert-ceramics.com\/category\/faq\/ceramic-materials-knowledge-base\/ceramic-materials\/magnesium-aluminate-spinel-ceramic-mgal%e2%82%82o%e2%82%84\/\",\"url\":\"https:\/\/weiert-ceramics.com\/category\/faq\/ceramic-materials-knowledge-base\/ceramic-materials\/magnesium-aluminate-spinel-ceramic-mgal%e2%82%82o%e2%82%84\/\",\"name\":\"MA Spinel for High Performance Applications - Weiert Ceramics Technology Co., Ltd.\",\"isPartOf\":{\"@id\":\"https:\/\/weiert-ceramics.com\/ja\/#website\"},\"description\":\"Discover Magnesium Aluminum Spinel, also known as MA Spinel. Learn more about its uses in ceramics and its remarkable thermal shock resistance.\",\"breadcrumb\":{\"@id\":\"https:\/\/weiert-ceramics.com\/category\/faq\/ceramic-materials-knowledge-base\/ceramic-materials\/magnesium-aluminate-spinel-ceramic-mgal%e2%82%82o%e2%82%84\/#breadcrumb\"},\"inLanguage\":\"cs\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/weiert-ceramics.com\/category\/faq\/ceramic-materials-knowledge-base\/ceramic-materials\/magnesium-aluminate-spinel-ceramic-mgal%e2%82%82o%e2%82%84\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/weiert-ceramics.com\/ja\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"FAQ\",\"item\":\"https:\/\/weiert-ceramics.com\/category\/faq\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Ceramic Materials Knowledge Base\",\"item\":\"https:\/\/weiert-ceramics.com\/category\/faq\/ceramic-materials-knowledge-base\/\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"Ceramic Materials\",\"item\":\"https:\/\/weiert-ceramics.com\/category\/faq\/ceramic-materials-knowledge-base\/ceramic-materials\/\"},{\"@type\":\"ListItem\",\"position\":5,\"name\":\"Magnesium Aluminate Spinel Ceramic MgAl\u2082O\u2084\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/weiert-ceramics.com\/ja\/#website\",\"url\":\"https:\/\/weiert-ceramics.com\/ja\/\",\"name\":\"Weiert Ceramics Technology Co., Ltd.\",\"description\":\"Our offerings include ceramic machining, custom ceramic components, preformed ceramic plates and tubes, and custom crucibles.\",\"publisher\":{\"@id\":\"https:\/\/weiert-ceramics.com\/ja\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/weiert-ceramics.com\/ja\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"cs\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/weiert-ceramics.com\/ja\/#organization\",\"name\":\"Weiert Ceramics Technology Co., Ltd.\",\"url\":\"https:\/\/weiert-ceramics.com\/ja\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"cs\",\"@id\":\"https:\/\/weiert-ceramics.com\/ja\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/weiert-ceramics.com\/wp-content\/uploads\/2025\/03\/96a3be3cf272e017046d.jpg\",\"contentUrl\":\"https:\/\/weiert-ceramics.com\/wp-content\/uploads\/2025\/03\/96a3be3cf272e017046d.jpg\",\"width\":512,\"height\":512,\"caption\":\"Weiert Ceramics Technology Co., Ltd.\"},\"image\":{\"@id\":\"https:\/\/weiert-ceramics.com\/ja\/#\/schema\/logo\/image\/\"},\"sameAs\":[\"https:\/\/www.youtube.com\/@Technical-Ceramic\"]}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"MA Spinel for High Performance Applications - Weiert Ceramics Technology Co., Ltd.","description":"Discover Magnesium Aluminum Spinel, also known as MA Spinel. Learn more about its uses in ceramics and its remarkable thermal shock resistance.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/weiert-ceramics.com\/cs\/category\/faq\/ceramic-materials-knowledge-base\/ceramic-materials\/magnesium-aluminate-spinel-ceramic-mgal\u2082o\u2084\/","og_locale":"cs_CZ","og_type":"article","og_title":"Magnesium Aluminum Spinel in Melting Industry","og_description":"Discover Magnesium Aluminum Spinel and its applications in advanced ceramics. Learn about its properties like thermal shock resistance and more.","og_url":"https:\/\/weiert-ceramics.com\/cs\/category\/faq\/ceramic-materials-knowledge-base\/ceramic-materials\/magnesium-aluminate-spinel-ceramic-mgal\u2082o\u2084\/","og_site_name":"Weiert Ceramics Technology Co., Ltd.","twitter_card":"summary_large_image","twitter_title":"MAS: Understanding Magnesium Aluminate Spinel","twitter_description":"Magnesium Aluminum Spinel is essential for high performance in melting industries. Delve into its unique properties and usage in ceramics.","schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"CollectionPage","@id":"https:\/\/weiert-ceramics.com\/category\/faq\/ceramic-materials-knowledge-base\/ceramic-materials\/magnesium-aluminate-spinel-ceramic-mgal%e2%82%82o%e2%82%84\/","url":"https:\/\/weiert-ceramics.com\/category\/faq\/ceramic-materials-knowledge-base\/ceramic-materials\/magnesium-aluminate-spinel-ceramic-mgal%e2%82%82o%e2%82%84\/","name":"MA Spinel for High Performance Applications - Weiert Ceramics Technology Co., Ltd.","isPartOf":{"@id":"https:\/\/weiert-ceramics.com\/ja\/#website"},"description":"Discover Magnesium Aluminum Spinel, also known as MA Spinel. Learn more about its uses in ceramics and its remarkable thermal shock resistance.","breadcrumb":{"@id":"https:\/\/weiert-ceramics.com\/category\/faq\/ceramic-materials-knowledge-base\/ceramic-materials\/magnesium-aluminate-spinel-ceramic-mgal%e2%82%82o%e2%82%84\/#breadcrumb"},"inLanguage":"cs"},{"@type":"BreadcrumbList","@id":"https:\/\/weiert-ceramics.com\/category\/faq\/ceramic-materials-knowledge-base\/ceramic-materials\/magnesium-aluminate-spinel-ceramic-mgal%e2%82%82o%e2%82%84\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/weiert-ceramics.com\/ja\/"},{"@type":"ListItem","position":2,"name":"FAQ","item":"https:\/\/weiert-ceramics.com\/category\/faq\/"},{"@type":"ListItem","position":3,"name":"Ceramic Materials Knowledge Base","item":"https:\/\/weiert-ceramics.com\/category\/faq\/ceramic-materials-knowledge-base\/"},{"@type":"ListItem","position":4,"name":"Ceramic Materials","item":"https:\/\/weiert-ceramics.com\/category\/faq\/ceramic-materials-knowledge-base\/ceramic-materials\/"},{"@type":"ListItem","position":5,"name":"Magnesium Aluminate Spinel Ceramic MgAl\u2082O\u2084"}]},{"@type":"WebSite","@id":"https:\/\/weiert-ceramics.com\/ja\/#website","url":"https:\/\/weiert-ceramics.com\/ja\/","name":"Weiert Ceramics Technology Co., Ltd.","description":"Our offerings include ceramic machining, custom ceramic components, preformed ceramic plates and tubes, and custom crucibles.","publisher":{"@id":"https:\/\/weiert-ceramics.com\/ja\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/weiert-ceramics.com\/ja\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"cs"},{"@type":"Organization","@id":"https:\/\/weiert-ceramics.com\/ja\/#organization","name":"Weiert Ceramics Technology Co., Ltd.","url":"https:\/\/weiert-ceramics.com\/ja\/","logo":{"@type":"ImageObject","inLanguage":"cs","@id":"https:\/\/weiert-ceramics.com\/ja\/#\/schema\/logo\/image\/","url":"https:\/\/weiert-ceramics.com\/wp-content\/uploads\/2025\/03\/96a3be3cf272e017046d.jpg","contentUrl":"https:\/\/weiert-ceramics.com\/wp-content\/uploads\/2025\/03\/96a3be3cf272e017046d.jpg","width":512,"height":512,"caption":"Weiert Ceramics Technology Co., Ltd."},"image":{"@id":"https:\/\/weiert-ceramics.com\/ja\/#\/schema\/logo\/image\/"},"sameAs":["https:\/\/www.youtube.com\/@Technical-Ceramic"]}]}},"_links":{"self":[{"href":"https:\/\/weiert-ceramics.com\/cs\/wp-json\/wp\/v2\/categories\/163","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/weiert-ceramics.com\/cs\/wp-json\/wp\/v2\/categories"}],"about":[{"href":"https:\/\/weiert-ceramics.com\/cs\/wp-json\/wp\/v2\/taxonomies\/category"}],"up":[{"embeddable":true,"href":"https:\/\/weiert-ceramics.com\/cs\/wp-json\/wp\/v2\/categories\/111"}],"wp:post_type":[{"href":"https:\/\/weiert-ceramics.com\/cs\/wp-json\/wp\/v2\/posts?categories=163"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}