{"id":87057,"date":"2025-06-10T17:29:12","date_gmt":"2025-06-10T09:29:12","guid":{"rendered":"https:\/\/keruiref.com\/?page_id=87057"},"modified":"2025-06-10T17:29:12","modified_gmt":"2025-06-10T09:29:12","slug":"tijolo-de-espinelio-de-magnesia","status":"publish","type":"page","link":"https:\/\/keruiref.com\/pt\/tijolo-de-espinelio-de-magnesia\/","title":{"rendered":"Tijolo de espin\u00e9lio de magn\u00e9sia"},"content":{"rendered":"<div class=\"page_model product_info\">\n<div class=\"preview\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-8099\" src=\"https:\/\/keruiref.com\/wp-content\/uploads\/2025\/02\/Magnesia-Alumina-Spinel-Brick-title.webp\" alt=\"tijolo de espin\u00e9lio de magn\u00e9sia para a ind\u00fastria do ferro\" width=\"660\" height=\"495\" \/><\/div>\n<div class=\"info\">\n<h1>Tijolo de espin\u00e9lio de magn\u00e9sia<\/h1>\n<p>\u00c9 utilizado no revestimento e cobertura de equipamento metal\u00fargico, como altos-fornos, conversores, fornos el\u00e9ctricos e panelas.<\/p>\n<ul>\n<li>MgO\/%(\u2265): 80<\/li>\n<li>Al2O3\/%(\u2265): 10<\/li>\n<li>Densidade a granel (g\/cm\u00b3)(\u2265): 2.09<\/li>\n<li>Resist\u00eancia ao esmagamento a frio (\u2265): 50MPa<\/li>\n<li>Tamanho padr\u00e3o: 230*114*65mm<\/li>\n<li>Certifica\u00e7\u00e3o: ISO9001\/ISO14001\/ISO45001\/ISO50001<\/li>\n<li>Amostra: \u00e9 poss\u00edvel testar a amostra<\/li>\n<\/ul>\n<div class=\"tags\">\n<p>Alta qualidade<\/p>\n<p>Pre\u00e7o razo\u00e1vel<\/p>\n<p>Produtos e solu\u00e7\u00f5es personaliz\u00e1veis<\/p>\n<p>Entrega atempada<\/p>\n<p>7\/24\/365 Ao vosso servi\u00e7o<\/p>\n<\/div>\n<p><a class=\"inruiry fancybox\" href=\"#contact_form_pop\">inqu\u00e9rito agora<\/a><a class=\"email-btn\" href=\"mailto:market@keruiref.com\">enviar correio eletr\u00f3nico<\/a><\/p>\n<\/div>\n<\/div>\n<ul class=\"anchor\">\n<li><a href=\"#PRODUCTDESCRIPTION\">DESCRI\u00c7\u00c3O DO PRODUTO<\/a><\/li>\n<li><a href=\"#TechniqueData\">Dados t\u00e9cnicos<\/a><\/li>\n<li><a href=\"#INQUIRY\">INQU\u00c9RITO<\/a><\/li>\n<li><a href=\"#RELATEDPRODUCTS\">PRODUTOS RELACIONADOS<\/a><\/li>\n<\/ul>\n<div class=\"page_model\">\n<h2 id=\"PRODUCTDESCRIPTION\">Descri\u00e7\u00e3o do tijolo de espin\u00e9lio de magn\u00e9sia<\/h2>\n<p>O tijolo de espin\u00e9lio de magn\u00e9sia \u00e9 um tipo de tijolo refrat\u00e1rio de base, que \u00e9 um material comp\u00f3sito constitu\u00eddo principalmente por magn\u00e9sia (MgO) e espin\u00e9lio (MgAl2O4) ou espin\u00e9lio e ferro (MgFe2O4). Os tijolos de espin\u00e9lio de magn\u00e9sia incluem tijolos cozidos e n\u00e3o cozidos. Os tijolos de espin\u00e9lio de magn\u00e9sia t\u00eam elevada densidade aparente, estrutura uniforme, estabilidade t\u00e9rmica, resist\u00eancia \u00e0 corros\u00e3o e elevada resist\u00eancia mec\u00e2nica, o que pode prolongar a vida \u00fatil do revestimento em grande escala e s\u00e3o amplamente utilizados na fundi\u00e7\u00e3o de a\u00e7o, na produ\u00e7\u00e3o de cimento e no fabrico de vidro, onde a temperatura pode atingir milhares de graus Celsius, e tamb\u00e9m t\u00eam um desempenho ambiental que n\u00e3o produz subst\u00e2ncias nocivas.<\/p>\n<div class='content-column one_third'>\n<div style=\"padding-right:20px;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-8982\" src=\"https:\/\/keruiref.com\/wp-content\/uploads\/2023\/08\/KERUI-magnesia-spinel-brick.jpg\" alt=\"Tijolo de espin\u00e9lio de magn\u00e9sia KERUI\" width=\"490\" height=\"370\" srcset=\"https:\/\/keruiref.com\/wp-content\/uploads\/2023\/08\/KERUI-magnesia-spinel-brick.jpg 490w, https:\/\/keruiref.com\/wp-content\/uploads\/2023\/08\/KERUI-magnesia-spinel-brick-300x227.jpg 300w\" sizes=\"auto, (max-width: 490px) 100vw, 490px\" \/><\/div>\n<\/div>\n<div class='content-column one_third'>\n<div style=\"padding-right:20px;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-8075\" src=\"https:\/\/keruiref.com\/wp-content\/uploads\/2023\/08\/Magnesia-Spinel-Brick-Factory-direct-sale.jpg\" alt=\"Tijolo de espin\u00e9lio de magn\u00e9sia Venda direta da f\u00e1brica\" width=\"490\" height=\"370\" srcset=\"https:\/\/keruiref.com\/wp-content\/uploads\/2023\/08\/Magnesia-Spinel-Brick-Factory-direct-sale.jpg 490w, https:\/\/keruiref.com\/wp-content\/uploads\/2023\/08\/Magnesia-Spinel-Brick-Factory-direct-sale-300x227.jpg 300w\" sizes=\"auto, (max-width: 490px) 100vw, 490px\" \/><\/div>\n<\/div>\n<div class='content-column one_third last_column'>\n<div style=\"padding-right:20px;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-8077\" src=\"https:\/\/keruiref.com\/wp-content\/uploads\/2023\/08\/Magnesia-Spinel-Brick-manufacture.jpg\" alt=\"Fabrico de tijolos de espin\u00e9lio de magn\u00e9sia\" width=\"490\" height=\"370\" srcset=\"https:\/\/keruiref.com\/wp-content\/uploads\/2023\/08\/Magnesia-Spinel-Brick-manufacture.jpg 490w, https:\/\/keruiref.com\/wp-content\/uploads\/2023\/08\/Magnesia-Spinel-Brick-manufacture-300x227.jpg 300w\" sizes=\"auto, (max-width: 490px) 100vw, 490px\" \/><\/div>\n<\/div>\n<div class='clear_column'><\/div>\n<p><center><a class=\"fancybox price\" href=\"#contact_form_pop\">OBTER PRE\u00c7O<\/a><\/center><\/p>\n<div class=\"fancybox-hidden\" style=\"display: none;\">\n<div id=\"contact_form_pop\">\n<div class=\"wpcf7 no-js\" id=\"wpcf7-f328-o1\" lang=\"en-US\" dir=\"ltr\" data-wpcf7-id=\"328\">\n<div class=\"screen-reader-response\">\n<p role=\"status\" aria-live=\"polite\" aria-atomic=\"true\">\n<ul><\/ul>\n<\/div>\n<form action=\"\/pt\/wp-json\/wp\/v2\/pages\/87057#wpcf7-f328-o1\" method=\"post\" class=\"wpcf7-form init\" aria-label=\"Formul\u00e1rio de contacto\" novalidate=\"novalidate\" data-status=\"init\" data-trp-original-action=\"\/pt\/wp-json\/wp\/v2\/pages\/87057#wpcf7-f328-o1\">\n<div style=\"display: none;\">\n<input type=\"hidden\" name=\"_wpcf7\" value=\"328\" \/><br \/>\n<input type=\"hidden\" name=\"_wpcf7_version\" value=\"6.0.4\" \/><br \/>\n<input type=\"hidden\" name=\"_wpcf7_locale\" value=\"en_US\" \/><br \/>\n<input type=\"hidden\" name=\"_wpcf7_unit_tag\" value=\"wpcf7-f328-o1\" \/><br \/>\n<input type=\"hidden\" name=\"_wpcf7_container_post\" value=\"0\" \/><br \/>\n<input type=\"hidden\" name=\"_wpcf7_posted_data_hash\" value=\"\" \/><br \/>\n<input type=\"hidden\" name=\"_wpcf7_recaptcha_response\" value=\"\" \/>\n<\/div>\n<div class=\"form-box\" id=\"Contact-Us\">\n<div class=\"isleft\">\n<div class=\"contact-title\">\n<p>Contactar-nos\n\t\t\t<\/p>\n<\/p><\/div>\n<div class=\"contactp\">\n<p>Por favor, sinta-se livre para dar o seu inqu\u00e9rito no formul\u00e1rio correto. Responder-lhe-emos no prazo de 6 horas.\n\t\t\t<\/p>\n<\/p><\/div>\n<ul class=\"contact\">\n<li class=\"email\">\n<p><img decoding=\"async\" src=\"https:\/\/keruiref.com\/wp-content\/uploads\/2023\/12\/email.png\" alt=\"\" \/>Correio eletr\u00f3nico:\n\t\t\t\t<\/p>\n<p><a href=\"mailto:market@keruiref.com\">market@keruiref.com<\/a>\n\t\t\t\t<\/p>\n<\/li>\n<li class=\"phone\">\n<p><img decoding=\"async\" src=\"https:\/\/keruiref.com\/wp-content\/uploads\/2023\/12\/tel.png\" alt=\"\" \/>Telefone\/whatsapp:\n\t\t\t\t<\/p>\n<p><a href=\"https:\/\/wa.me\/8619138178880\">+86 19138178880<\/a>\n\t\t\t\t<\/p>\n<\/li>\n<li class=\"location\">\n<p><img decoding=\"async\" src=\"https:\/\/keruiref.com\/wp-content\/uploads\/2023\/12\/Location.png\" alt=\"\" \/>Base de fabrico:\n\t\t\t\t<\/p>\n<p>Zona da Ind\u00fastria Refract\u00e1ria de Chaohua,<br \/>\nCidade de Xinmi, prov\u00edncia de Henan, China\n\t\t\t\t<\/p>\n<\/li>\n<\/ul><\/div>\n<div class=\"isright\">\n<ul class=\"contact-input\">\n<li>\n<div class=\"islabel\">\n<p>* Nome:\n\t\t\t\t\t<\/p>\n<\/p><\/div>\n<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=\"\" value=\"\" type=\"text\" name=\"your-name\" \/><\/span>\n\t\t\t\t<\/p>\n<\/li>\n<li>\n<div class=\"islabel\">\n<p>* Correio eletr\u00f3nico:\n\t\t\t\t\t<\/p>\n<\/p><\/div>\n<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=\"\" value=\"\" type=\"email\" name=\"your-email\" \/><\/span>\n\t\t\t\t<\/p>\n<\/li>\n<li>\n<div class=\"islabel\">\n<p>* Telefone\/Whatsapp:\n\t\t\t\t\t<\/p>\n<\/p><\/div>\n<p><span class=\"wpcf7-form-control-wrap\" data-name=\"your-phone\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-tel wpcf7-text wpcf7-validates-as-tel\" aria-invalid=\"false\" placeholder=\"\" value=\"\" type=\"tel\" name=\"your-phone\" \/><\/span>\n\t\t\t\t<\/p>\n<\/li>\n<li>\n<div class=\"islabel\">\n<p>Pa\u00eds:\n\t\t\t\t\t<\/p>\n<\/p><\/div>\n<p><span class=\"wpcf7-form-control-wrap\" data-name=\"your-country\"><input size=\"40\" maxlength=\"400\" class=\"wpcf7-form-control wpcf7-text\" aria-invalid=\"false\" placeholder=\"\" value=\"\" type=\"text\" name=\"your-country\" \/><\/span>\n\t\t\t\t<\/p>\n<\/li>\n<li class=\"ismassage\">\n<div class=\"islabel\">\n<p>* Mensagem:\n\t\t\t\t\t<\/p>\n<\/p><\/div>\n<p><span class=\"wpcf7-form-control-wrap\" data-name=\"your-msg\"><textarea cols=\"40\" rows=\"10\" maxlength=\"2000\" class=\"wpcf7-form-control wpcf7-textarea wpcf7-validates-as-required\" aria-required=\"true\" aria-invalid=\"false\" name=\"your-msg\"><\/textarea><\/span>\n\t\t\t\t<\/p>\n<\/li>\n<li class=\"wpcf7-btns-box\">\n<div class=\"isFileName\">\n\t\t\t\t<\/div>\n<div class=\"wpcf7-btns\">\n<p><input class=\"wpcf7-form-control wpcf7-submit has-spinner\" type=\"submit\" value=\"ENVIAR\" \/>\n\t\t\t\t\t<\/p>\n<\/p><\/div>\n<\/li>\n<\/ul><\/div>\n<\/div>\n<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<\/div>\n<p>&nbsp;<\/p>\n<h2 id=\"TechniqueData\">Kerui Magnesia Spinel Brick Ficha t\u00e9cnica<\/h2>\n<p><strong>Tijolo de espin\u00e9lio de magn\u00e9sia e alumina<\/strong><\/p>\n<table id=\"tablepress-12\" class=\"tablepress tablepress-id-12 tbody-has-connected-cells\">\n<thead>\n<tr class=\"row-1\">\n<th colspan=\"2\" class=\"column-1\">Item<\/th>\n<th class=\"column-3\">\u00cdndice<\/th>\n<\/tr>\n<\/thead>\n<tbody class=\"row-striping row-hover\">\n<tr class=\"row-2\">\n<td class=\"column-1\">\u03c9 (MgO)\/%<\/td>\n<td class=\"column-2\"><span style=\"color:#000000;\">\u03bc<\/span><span style=\"color:#000000;\"><sub>0<\/sub><\/span><span style=\"color:#000000;\"> \u2265<\/span><\/td>\n<td class=\"column-3\">80<\/td>\n<\/tr>\n<tr class=\"row-3\">\n<td class=\"column-1\"><span style=\"color:#000000;\">\u03c9 (Al<\/span><span style=\"color:#000000;\"><sub>2<\/sub><\/span><span style=\"color:#000000;\">O<\/span><span style=\"color:#000000;\"><sub>3<\/sub><\/span><span style=\"color:#000000;\">)\/%<\/span><\/td>\n<td class=\"column-2\"><span style=\"color:#000000;\">\u03bc<\/span><span style=\"color:#000000;\"><sub>0<\/sub><\/span><span style=\"color:#000000;\"> \u2265<\/span><\/td>\n<td class=\"column-3\">10<\/td>\n<\/tr>\n<tr class=\"row-4\">\n<td rowspan=\"2\" class=\"column-1\">Porosidade aparente\/%<\/td>\n<td class=\"column-2\"><span style=\"color:#000000;\">\u03bc<\/span><span style=\"color:#000000;\"><sub>0<\/sub><\/span><span style=\"color:#000000;\"> \u2264<\/span><\/td>\n<td class=\"column-3\">17<\/td>\n<\/tr>\n<tr class=\"row-5\">\n<td class=\"column-2\">\u1edf<\/td>\n<td class=\"column-3\">0.8<\/td>\n<\/tr>\n<tr class=\"row-6\">\n<td rowspan=\"2\" class=\"column-1\">Densidade a granel (g\/cm\u00b3)<\/td>\n<td class=\"column-2\"><span style=\"color:#000000;\">\u03bc<\/span><span style=\"color:#000000;\"><sub>0<\/sub><\/span><span style=\"color:#000000;\"> \u2265<\/span><\/td>\n<td class=\"column-3\">2.90 <\/td>\n<\/tr>\n<tr class=\"row-7\">\n<td class=\"column-2\">\u1edf<\/td>\n<td class=\"column-3\">0.03<\/td>\n<\/tr>\n<tr class=\"row-8\">\n<td rowspan=\"2\" class=\"column-1\">Resist\u00eancia ao esmagamento a frio\/MPa<\/td>\n<td class=\"column-2\">L \u2265<\/td>\n<td class=\"column-3\">50<\/td>\n<\/tr>\n<tr class=\"row-9\">\n<td class=\"column-2\">\u1edf<\/td>\n<td class=\"column-3\">5<\/td>\n<\/tr>\n<tr class=\"row-10\">\n<td rowspan=\"2\" class=\"column-1\">Varia\u00e7\u00e3o linear permanente (1500\u2103*2h)\/%<\/td>\n<td class=\"column-2\">L~U<\/td>\n<td class=\"column-3\">0~+0.3<\/td>\n<\/tr>\n<tr class=\"row-11\">\n<td class=\"column-2\">\u1edf<\/td>\n<td class=\"column-3\">0.05<\/td>\n<\/tr>\n<tr class=\"row-12\">\n<td rowspan=\"2\" class=\"column-1\">Resist\u00eancia \u00e0 flex\u00e3o a alta temperatura<br \/>\n(1350\u2103*0.5h)\/MPa<\/td>\n<td class=\"column-2\"><span style=\"color:#000000;\">\u03bc<\/span><span style=\"color:#000000;\"><sub>0<\/sub><\/span><span style=\"color:#000000;\"> \u2265<\/span><\/td>\n<td class=\"column-3\">3.5<\/td>\n<\/tr>\n<tr class=\"row-13\">\n<td class=\"column-2\">\u1edf<\/td>\n<td class=\"column-3\">0.6<\/td>\n<\/tr>\n<tr class=\"row-14\">\n<td rowspan=\"2\" class=\"column-1\">Resist\u00eancias ao choque t\u00e9rmico (1100\u2103, arrefecimento a \u00e1gua)\/Ciclo<\/td>\n<td class=\"column-2\"><span style=\"color:#000000;\">\u03bc<\/span><span style=\"color:#000000;\"><sub>0<\/sub><\/span><span style=\"color:#000000;\"> \u2265<\/span><\/td>\n<td class=\"column-3\">12<\/td>\n<\/tr>\n<tr class=\"row-15\">\n<td class=\"column-2\">\u1edf<\/td>\n<td class=\"column-3\">2<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><!-- #tablepress-12 from cache --><\/p>\n<p><strong>Tijolo de espin\u00e9lio de ferro de magn\u00e9sia<\/strong><\/p>\n<table id=\"tablepress-11\" class=\"tablepress tablepress-id-11\">\n<thead>\n<tr class=\"row-1\">\n<th class=\"column-1\">Item\/Grau<\/th>\n<th class=\"column-2\">MFe-85A<\/th>\n<th class=\"column-3\">MFe-85B<\/th>\n<\/tr>\n<\/thead>\n<tbody class=\"row-striping row-hover\">\n<tr class=\"row-2\">\n<td class=\"column-1\">\u03c9 (MgO) \u2265\/%<\/td>\n<td class=\"column-2\">85<\/td>\n<td class=\"column-3\">85<\/td>\n<\/tr>\n<tr class=\"row-3\">\n<td class=\"column-1\"><span style=\"color:#000000;\">\u03c9 (Al<\/span><span style=\"color:#000000;\"><sub>2<\/sub><\/span><span style=\"color:#000000;\">O<\/span><span style=\"color:#000000;\"><sub>3<\/sub><\/span><span style=\"color:#000000;\">)\/%<\/span><\/td>\n<td class=\"column-2\">3-5<\/td>\n<td class=\"column-3\">3-5<\/td>\n<\/tr>\n<tr class=\"row-4\">\n<td class=\"column-1\"><span style=\"color:#000000;\">\u03c9 (Fe<\/span><span style=\"color:#000000;\"><sub>2<\/sub><\/span><span style=\"color:#000000;\">O<\/span><span style=\"color:#000000;\"><sub>3<\/sub><\/span><span style=\"color:#000000;\">)\/%<\/span><\/td>\n<td class=\"column-2\">4-6<\/td>\n<td class=\"column-3\">4-6<\/td>\n<\/tr>\n<tr class=\"row-5\">\n<td class=\"column-1\">Densidade a granel \u2265 (g\/cm\u00b3)<\/td>\n<td class=\"column-2\">2.95<\/td>\n<td class=\"column-3\">2.90 <\/td>\n<\/tr>\n<tr class=\"row-6\">\n<td class=\"column-1\">Resist\u00eancia ao esmagamento a frio \u2265 (MPa)<\/td>\n<td class=\"column-2\">55<\/td>\n<td class=\"column-3\">50<\/td>\n<\/tr>\n<tr class=\"row-7\">\n<td class=\"column-1\"><span style=\"color:#000000;\">Subcarga de refractariedade \u2265 (T<\/span><span style=\"color:#000000;\"><sub>0.6<\/sub><\/span><span style=\"color:#000000;\">\u2103)<\/span><\/td>\n<td class=\"column-2\">1650<\/td>\n<td class=\"column-3\">1600<\/td>\n<\/tr>\n<tr class=\"row-8\">\n<td class=\"column-1\">Resist\u00eancia ao choque t\u00e9rmico \u2265 (950 \u2103 resfriamento de ar, ciclo)<\/td>\n<td class=\"column-2\">100<\/td>\n<td class=\"column-3\">90<\/td>\n<\/tr>\n<tr class=\"row-9\">\n<td class=\"column-1\">Condutividade t\u00e9rmica \u2264 (1000\u2103) [W\/(m-K)]<\/td>\n<td class=\"column-2\">2.6<\/td>\n<td class=\"column-3\">2.6<\/td>\n<\/tr>\n<tr class=\"row-10\">\n<td class=\"column-1\">Coeficiente de expans\u00e3o t\u00e9rmica (1400\u2103)\/%<\/td>\n<td class=\"column-2\">1.6<\/td>\n<td class=\"column-3\">1.6<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><!-- #tablepress-11 from cache --><\/p>\n<h2>Vantagens do tijolo de espin\u00e9lio de magn\u00e9sia<\/h2>\n<div class='content-column one_half'>\n<div style=\"padding-right:20px;padding-left:20px;\">\n<h3>Anti-corros\u00e3o e anti-rachaduras<\/h3>\n<p>Os tijolos de espin\u00e9lio de magn\u00e9sia cont\u00eam um elevado teor de MgO e MgAl2O4, o que faz com que tenham excelentes propriedades anti-corros\u00e3o e anti-estilha\u00e7amento. Al\u00e9m disso, devido \u00e0 sua estrutura cristalina compacta e ordenada, pode resistir \u00e0 concentra\u00e7\u00e3o de tens\u00f5es causada pela expans\u00e3o t\u00e9rmica e pelo choque t\u00e9rmico, reduzindo assim a possibilidade de fragmenta\u00e7\u00e3o.<\/p><\/div>\n<\/div>\n<div class='content-column one_half last_column'>\n<div style=\"padding-right:20px;padding-left:20px;\">\n<h3>Boa estabilidade ao choque t\u00e9rmico<\/h3>\n<p>A estrutura cristalina densa e bem ligada dos tijolos de espin\u00e9lio de magn\u00e9sio permite-lhes expandir-se e contrair-se uniformemente sob r\u00e1pidas mudan\u00e7as de temperatura, minimizando assim o risco de fissura\u00e7\u00e3o ou fragmenta\u00e7\u00e3o. Esta vantagem garante a integridade e a fiabilidade do tijolo em aplica\u00e7\u00f5es que envolvem ciclos frequentes de aquecimento e arrefecimento.<\/p><\/div>\n<\/div>\n<div class='clear_column'><\/div>\n<div class='content-column one_half'>\n<div style=\"padding-right:20px;padding-left:20px;\">\n<h3>Condutividade t\u00e9rmica mais baixa<\/h3>\n<p>A menor condutividade t\u00e9rmica do tijolo de espin\u00e9lio de magn\u00e9sia significa que tem uma capacidade reduzida de transfer\u00eancia de calor. Esta vantagem melhora o isolamento t\u00e9rmico porque o tijolo minimiza a transfer\u00eancia de calor atrav\u00e9s da sua estrutura. Ajuda a confinar e a reter o calor na \u00e1rea desejada, aumentando assim a efici\u00eancia energ\u00e9tica e reduzindo a perda de calor.<\/p><\/div>\n<\/div>\n<div class='content-column one_half last_column'>\n<div style=\"padding-right:20px;padding-left:20px;\">\n<h3>Boas propriedades de isolamento el\u00e9trico<\/h3>\n<p>Os tijolos de espin\u00e9lio de magn\u00e9sia apresentam boas propriedades de isolamento el\u00e9trico devido \u00e0 sua composi\u00e7\u00e3o e estrutura inerentes. Esta vantagem garante a seguran\u00e7a e a efici\u00eancia das aplica\u00e7\u00f5es el\u00e9ctricas onde o isolamento \u00e9 necess\u00e1rio para evitar choques el\u00e9ctricos ou curto-circuitos.<\/p><\/div>\n<\/div>\n<div class='clear_column'><\/div>\n<h2>Classifica\u00e7\u00e3o do tijolo de espin\u00e9lio de magn\u00e9sia<\/h2>\n<h3>Tijolo de espin\u00e9lio de magn\u00e9sia e alumina<\/h3>\n<p>Os tijolos de espin\u00e9lio de magn\u00e9sia que cont\u00eam uma certa propor\u00e7\u00e3o de alumina s\u00e3o tamb\u00e9m designados por tijolos de espin\u00e9lio de magn\u00e9sia-alumina, com uma estrutura de MgAl2O4 ou MgO-Al2O3. O tijolo de espin\u00e9lio de magn\u00e9sia-alumina n\u00e3o s\u00f3 tem uma elevada dureza, um baixo coeficiente de expans\u00e3o t\u00e9rmica e uma elevada densidade, como tamb\u00e9m tem as vantagens da resist\u00eancia \u00e0 t\u00eampera e do aquecimento r\u00e1pido, e tem uma boa resist\u00eancia \u00e0 corros\u00e3o por solventes como o \u00f3xido de ferro e as esc\u00f3rias alcalinas.<\/p>\n<div class='content-column one_half'>\n<div style=\"padding-right:10px;\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-8082 size-full\" src=\"https:\/\/keruiref.com\/wp-content\/uploads\/2023\/08\/Magnesia-Alumina-Spinel-Brick-price.jpg\" alt=\"Pre\u00e7o do tijolo de espin\u00e9lio de magn\u00e9sia e alumina\" width=\"660\" height=\"400\" srcset=\"https:\/\/keruiref.com\/wp-content\/uploads\/2023\/08\/Magnesia-Alumina-Spinel-Brick-price.jpg 660w, https:\/\/keruiref.com\/wp-content\/uploads\/2023\/08\/Magnesia-Alumina-Spinel-Brick-price-300x182.jpg 300w\" sizes=\"auto, (max-width: 660px) 100vw, 660px\" \/><\/div>\n<\/div>\n<div class='content-column one_half last_column'>\n<div style=\"padding-right:10px;\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-8083 size-full\" src=\"https:\/\/keruiref.com\/wp-content\/uploads\/2023\/08\/Magnesia-Alumina-Spinel-Brick-price-list.jpg\" alt=\"Lista de pre\u00e7os de tijolos de espin\u00e9lio de magn\u00e9sia e alumina\" width=\"660\" height=\"400\" srcset=\"https:\/\/keruiref.com\/wp-content\/uploads\/2023\/08\/Magnesia-Alumina-Spinel-Brick-price-list.jpg 660w, https:\/\/keruiref.com\/wp-content\/uploads\/2023\/08\/Magnesia-Alumina-Spinel-Brick-price-list-300x182.jpg 300w\" sizes=\"auto, (max-width: 660px) 100vw, 660px\" \/><\/div>\n<\/div>\n<div class='clear_column'><\/div>\n<h3>Tijolo de espin\u00e9lio de ferro de magn\u00e9sia<\/h3>\n<p>Os tijolos refract\u00e1rios de espin\u00e9lio de magn\u00e9sia e ferro s\u00e3o feitos de magn\u00e9sia de alta pureza e espin\u00e9lio de alum\u00ednio e ferro como mat\u00e9rias-primas. Durante a utiliza\u00e7\u00e3o de tijolos de espin\u00e9lio de magn\u00e9sia-ferro, forma-se uma camada de compostos de c\u00e1lcio-ferro e c\u00e1lcio-ferro-alum\u00ednio altamente viscosos na superf\u00edcie quente dos tijolos, que \u00e9 f\u00e1cil de pendurar no forno. O produto tem as carater\u00edsticas de elevada resist\u00eancia \u00e0 compress\u00e3o e boa resist\u00eancia ao choque t\u00e9rmico. As carater\u00edsticas podem resolver eficazmente o problema da polui\u00e7\u00e3o do ambiente pela produ\u00e7\u00e3o de cr\u00f3mio hexavalente durante a utiliza\u00e7\u00e3o de tijolos de magn\u00e9sia-cr\u00f3mio em fornos de cimento. Os tijolos de espin\u00e9lio de magn\u00e9sia-ferro s\u00e3o muito apreciados pela sua excelente estabilidade t\u00e9rmica. A sua resist\u00eancia \u00e0 eros\u00e3o \u00e9 melhor do que a dos tijolos de magnesite-cr\u00f3mio de alta qualidade.<\/p>\n<div class='content-column one_half'>\n<div style=\"padding-right:10px;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-84307\" src=\"https:\/\/keruiref.com\/wp-content\/uploads\/2025\/02\/Magnesia-Iron-Spinel-Brick-01.webp\" alt=\"\" width=\"533\" height=\"400\" srcset=\"https:\/\/keruiref.com\/wp-content\/uploads\/2025\/02\/Magnesia-Iron-Spinel-Brick-01.webp 660w, https:\/\/keruiref.com\/wp-content\/uploads\/2025\/02\/Magnesia-Iron-Spinel-Brick-01-300x225.webp 300w\" sizes=\"auto, (max-width: 533px) 100vw, 533px\" \/><\/div>\n<\/div>\n<div class='content-column one_half last_column'>\n<div style=\"padding-right:10px;\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-8111\" src=\"https:\/\/keruiref.com\/wp-content\/uploads\/2023\/08\/magnesia-iron-spinel-brick-price.jpg\" alt=\"pre\u00e7o do tijolo de espin\u00e9lio de ferro e magn\u00e9sia\" width=\"600\" height=\"400\" srcset=\"https:\/\/keruiref.com\/wp-content\/uploads\/2023\/08\/magnesia-iron-spinel-brick-price.jpg 600w, https:\/\/keruiref.com\/wp-content\/uploads\/2023\/08\/magnesia-iron-spinel-brick-price-300x200.jpg 300w\" sizes=\"auto, (max-width: 600px) 100vw, 600px\" \/><\/div>\n<\/div>\n<div class='clear_column'><\/div>\n<h2>Aplica\u00e7\u00e3o do tijolo de espin\u00e9lio de magn\u00e9sia<\/h2>\n<h3>Forno industrial metal\u00fargico<\/h3>\n<p>O tijolo de espin\u00e9lio de magn\u00e9sia \u00e9 amplamente utilizado em fornos metal\u00fargicos, incluindo fornos de produ\u00e7\u00e3o de a\u00e7o, altos-fornos, fornos de t\u00eampera, fornos de revenimento, outros dispositivos de tratamento a alta temperatura, etc.<\/p>\n<h3>Incineradores de res\u00edduos<\/h3>\n<p>Os incineradores de res\u00edduos requerem materiais refract\u00e1rios que possam suportar temperaturas elevadas e resistir ao ataque qu\u00edmico dos res\u00edduos. As propriedades dos tijolos de espin\u00e9lio de magn\u00e9sia tornam-nos ideais para utiliza\u00e7\u00e3o como revestimentos em incineradores de res\u00edduos, garantindo estabilidade a longo prazo, combust\u00e3o eficiente e conten\u00e7\u00e3o de subst\u00e2ncias nocivas.<\/p>\n<h3>Forno de vidro<\/h3>\n<p>A ind\u00fastria do vidro \u00e9 amplamente utilizada como material refrat\u00e1rio. No vidro, os fornos s\u00e3o frequentemente sujeitos a altas temperaturas e ataques qu\u00edmicos. Os tijolos de espin\u00e9lio de magn\u00e9sia t\u00eam uma excelente resist\u00eancia a altas temperaturas e a ataques qu\u00edmicos e s\u00e3o capazes de suportar a corros\u00e3o a alta temperatura e o ciclo t\u00e9rmico no processo de fabrico do vidro, mantendo o forno est\u00e1vel.<\/p>\n<h3>Forno rotativo de cimento<\/h3>\n<p>A aplica\u00e7\u00e3o de tijolos de espin\u00e9lio de magn\u00e9sio no forno rotativo de cimento \u00e9 usada principalmente como material de revestimento da casca do forno, que \u00e9 usado para proteger a casca do forno da abla\u00e7\u00e3o a alta temperatura e corros\u00e3o qu\u00edmica, e tamb\u00e9m para reduzir a perda de calor e o consumo de energia da casca do forno.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-1590\" src=\"https:\/\/keruiref.com\/wp-content\/uploads\/2023\/07\/mag-spinel-brick-application.jpg\" alt=\"\" width=\"1300\" height=\"400\" srcset=\"https:\/\/keruiref.com\/wp-content\/uploads\/2023\/07\/mag-spinel-brick-application.jpg 1300w, https:\/\/keruiref.com\/wp-content\/uploads\/2023\/07\/mag-spinel-brick-application-300x92.jpg 300w, https:\/\/keruiref.com\/wp-content\/uploads\/2023\/07\/mag-spinel-brick-application-1024x315.jpg 1024w, https:\/\/keruiref.com\/wp-content\/uploads\/2023\/07\/mag-spinel-brick-application-768x236.jpg 768w\" sizes=\"auto, (max-width: 1300px) 100vw, 1300px\" \/><\/p>\n<\/div>\n<div id=\"INQUIRY\" class=\"page_model\">\n<div class=\"wpcf7 no-js\" id=\"wpcf7-f328-o2\" lang=\"en-US\" dir=\"ltr\" data-wpcf7-id=\"328\">\n<div class=\"screen-reader-response\">\n<p role=\"status\" aria-live=\"polite\" aria-atomic=\"true\">\n<ul><\/ul>\n<\/div>\n<form action=\"\/pt\/wp-json\/wp\/v2\/pages\/87057#wpcf7-f328-o2\" method=\"post\" class=\"wpcf7-form init\" aria-label=\"Formul\u00e1rio de contacto\" novalidate=\"novalidate\" data-status=\"init\" data-trp-original-action=\"\/pt\/wp-json\/wp\/v2\/pages\/87057#wpcf7-f328-o2\">\n<div style=\"display: none;\">\n<input type=\"hidden\" name=\"_wpcf7\" value=\"328\" \/><br \/>\n<input type=\"hidden\" name=\"_wpcf7_version\" value=\"6.0.4\" \/><br \/>\n<input type=\"hidden\" name=\"_wpcf7_locale\" value=\"en_US\" \/><br \/>\n<input type=\"hidden\" name=\"_wpcf7_unit_tag\" value=\"wpcf7-f328-o2\" \/><br \/>\n<input type=\"hidden\" name=\"_wpcf7_container_post\" value=\"0\" \/><br \/>\n<input type=\"hidden\" name=\"_wpcf7_posted_data_hash\" value=\"\" \/><br \/>\n<input type=\"hidden\" name=\"_wpcf7_recaptcha_response\" value=\"\" \/>\n<\/div>\n<div class=\"form-box\" id=\"Contact-Us\">\n<div class=\"isleft\">\n<div class=\"contact-title\">\n<p>Contactar-nos\n\t\t\t<\/p>\n<\/p><\/div>\n<div class=\"contactp\">\n<p>Por favor, sinta-se livre para dar o seu inqu\u00e9rito no formul\u00e1rio correto. 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MgO\/%(\u2265): 80 Al2O3\/%(\u2265): 10 Bulk Density (g\/cm\u00b3)(\u2265): 2.09 Cold Crushing Strength(\u2265): 50MPa Standard Size: 230*114*65mm Certification: ISO9001\/ISO14001\/ISO45001\/ISO50001 Sample: testing of sample is &#8230; <a title=\"Tijolo de espin\u00e9lio de magn\u00e9sia\" class=\"read-more\" href=\"https:\/\/keruiref.com\/pt\/tijolo-de-espinelio-de-magnesia\/\" aria-label=\"Mais em Magnesia Spinel Brick\">Ler mais<\/a>","protected":false},"author":1,"featured_media":84308,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":{"0":"post-87057","1":"page","2":"type-page","3":"status-publish","4":"has-post-thumbnail","6":"no-featured-image-padding","7":"resize-featured-image"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Magnesia Spinel Brick - Your Refractory Bricks, Castables Manufacturer For Kiln | Kerui Refractory\u00ae Official Website<\/title>\n<meta name=\"description\" content=\"Magnesia Spinel Brick is used in the lining and roof of metallurgical equipment such as blast furnaces, converters, electric furnaces, and ladles.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/keruiref.com\/pt\/tijolo-de-espinelio-de-magnesia\/\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/keruiref.com\/magnesia-spinel-brick\/\",\"url\":\"https:\/\/keruiref.com\/magnesia-spinel-brick\/\",\"name\":\"Magnesia Spinel Brick - 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