{"id":83909,"date":"2025-02-17T10:46:00","date_gmt":"2025-02-17T02:46:00","guid":{"rendered":"https:\/\/keruiref.com\/?page_id=83909"},"modified":"2025-05-27T11:34:45","modified_gmt":"2025-05-27T03:34:45","slug":"sfere-refrattarie-ad-alto-tenore-di-allumina","status":"publish","type":"page","link":"https:\/\/keruiref.com\/it\/sfere-refrattarie-ad-alto-tenore-di-allumina\/","title":{"rendered":"Palla refrattaria ad alto tenore di allumina"},"content":{"rendered":"<div class=\"page_model product_info\">\n<div class=\"preview\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-83911 size-full\" src=\"https:\/\/keruiref.com\/wp-content\/uploads\/2025\/02\/High-alumina-refractory-balls-01.webp\" alt=\"\" width=\"660\" height=\"495\" srcset=\"https:\/\/keruiref.com\/wp-content\/uploads\/2025\/02\/High-alumina-refractory-balls-01.webp 660w, https:\/\/keruiref.com\/wp-content\/uploads\/2025\/02\/High-alumina-refractory-balls-01-300x225.webp 300w\" sizes=\"auto, (max-width: 660px) 100vw, 660px\" \/><\/div>\n<div class=\"info\">\n<h1>Sfere refrattarie ad alto tenore di allumina<\/h1>\n<p>Le sfere refrattarie ad alto tenore di allumina sono comunemente utilizzate in altiforni, siviere, reattori, forni di riscaldamento, forni per il vetro e centrali elettriche.<\/p>\n<ul>\n<li>Colore: giallo;<\/li>\n<li>Temperatura massima di servizio: 1800\u2103;<\/li>\n<li>Al2O3: Servizio massimo fino a 95%;<\/li>\n<li>Anti-corrosione, anti-urto termico, facile da usare;<\/li>\n<li>Certificazione: ISO9001\/ISO14001\/ISO45001\/ISO50001;<\/li>\n<li>Campione: disponibile;<\/li>\n<\/ul>\n<div class=\"tags\">\n<p>Alta qualit\u00e0<\/p>\n<p>Prezzo ragionevole<\/p>\n<p>Prodotti e soluzioni personalizzabili<\/p>\n<p>Consegna tempestiva<\/p>\n<p>7\/24\/365 Al vostro servizio<\/p>\n<\/div>\n<p><a class=\"inruiry fancybox\" href=\"#contact_form_pop\">richiesta ora<\/a><a class=\"email-btn\" href=\"mailto:market@keruiref.com\">inviare l'e-mail<\/a><\/p>\n<\/div>\n<\/div>\n<div class=\"page_model\">\n<h2>Descrizione delle sfere refrattarie ad alto tenore di allumina<\/h2>\n<p>Le sfere refrattarie ad alto tenore di allumina sono costituite da allumina industriale e caolino refrattario come materie prime principali, che vengono prodotte mediante formula scientifica, formatura e calcinazione ad alta temperatura.<\/p>\n<p>La palla in allumina refrattaria si divide in palla refrattaria ordinaria e palla ad alta resistenza all'alluminio. La palla refrattaria in porcellana ad alta resistenza alle alte temperature pu\u00f2 raggiungere i 1900 gradi, l'alta resistenza meccanica e l'uso a lungo termine.<\/p>\n<div class='content-column full_width'><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-83912\" src=\"https:\/\/keruiref.com\/wp-content\/uploads\/2025\/02\/High-alumina-refractory-balls.webp\" alt=\"\" width=\"1400\" height=\"310\" srcset=\"https:\/\/keruiref.com\/wp-content\/uploads\/2025\/02\/High-alumina-refractory-balls.webp 1400w, https:\/\/keruiref.com\/wp-content\/uploads\/2025\/02\/High-alumina-refractory-balls-300x66.webp 300w, https:\/\/keruiref.com\/wp-content\/uploads\/2025\/02\/High-alumina-refractory-balls-1024x227.webp 1024w, https:\/\/keruiref.com\/wp-content\/uploads\/2025\/02\/High-alumina-refractory-balls-768x170.webp 768w\" sizes=\"auto, (max-width: 1400px) 100vw, 1400px\" \/><\/div>\n<p><center><a class=\"fancybox price\" href=\"#contact_form_pop\">PREZZO<\/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=\"\/it\/wp-json\/wp\/v2\/pages\/83909#wpcf7-f328-o1\" method=\"post\" class=\"wpcf7-form init\" aria-label=\"Modulo di contatto\" novalidate=\"novalidate\" data-status=\"init\" data-trp-original-action=\"\/it\/wp-json\/wp\/v2\/pages\/83909#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>Contatto\n\t\t\t<\/p>\n<\/p><\/div>\n<div class=\"contactp\">\n<p>Non esitate a dare la vostra richiesta nel modulo giusto. Vi risponderemo entro 6 ore.\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=\"\" \/>E-mail:\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=\"\" \/>Telefono\/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 di produzione:\n\t\t\t\t<\/p>\n<p>Zona industriale dei refrattari di Chaohua,<br \/>\nCitt\u00e0 di Xinmi, provincia di Henan, Cina\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>* E-mail:\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>* Telefono\/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>Paese:\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>* Messaggio:\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=\"INVIO\" \/>\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=\"it\"\/><\/form>\n<\/div>\n<\/div>\n<\/div>\n<h2>Dati tecnici delle sfere refrattarie ad alto tenore di allumina di Kerui<\/h2>\n<table id=\"tablepress-54\" class=\"tablepress tablepress-id-54\">\n<thead>\n<tr class=\"row-1\">\n<th class=\"column-1\">Articolo<\/th>\n<th class=\"column-2\">Alto contenuto di allumina<\/th>\n<th class=\"column-3\">Basso scorrimento<\/th>\n<th class=\"column-4\">Mullite<\/th>\n<th class=\"column-5\">Corindone<\/th>\n<\/tr>\n<\/thead>\n<tbody class=\"row-striping row-hover\">\n<tr class=\"row-2\">\n<td class=\"column-1\">Dimensione (mm)<\/td>\n<td class=\"column-2\">40-80<\/td>\n<td class=\"column-3\">40-80<\/td>\n<td class=\"column-4\">40-80<\/td>\n<td class=\"column-5\">40-80<\/td>\n<\/tr>\n<tr class=\"row-3\">\n<td class=\"column-1\">AL2O3(%)<\/td>\n<td class=\"column-2\">65<\/td>\n<td class=\"column-3\">70<\/td>\n<td class=\"column-4\">75<\/td>\n<td class=\"column-5\">95<\/td>\n<\/tr>\n<tr class=\"row-4\">\n<td class=\"column-1\">Refrattariet\u00e0 sotto carico (\u00b0C)<\/td>\n<td class=\"column-2\">1450<\/td>\n<td class=\"column-3\">1460<\/td>\n<td class=\"column-4\">1530<\/td>\n<td class=\"column-5\">1650<\/td>\n<\/tr>\n<tr class=\"row-5\">\n<td class=\"column-1\">Porosit\u00e0 apparente (%)<\/td>\n<td class=\"column-2\">25<\/td>\n<td class=\"column-3\">23<\/td>\n<td class=\"column-4\">22<\/td>\n<td class=\"column-5\">18<\/td>\n<\/tr>\n<tr class=\"row-6\">\n<td class=\"column-1\">Densit\u00e0 apparente (g\/cm3)<\/td>\n<td class=\"column-2\">2.3<\/td>\n<td class=\"column-3\">2.4<\/td>\n<td class=\"column-4\">2.5<\/td>\n<td class=\"column-5\">3.1<\/td>\n<\/tr>\n<tr class=\"row-7\">\n<td class=\"column-1\">Resistenza alla frantumazione a freddo (Mpa)<\/td>\n<td class=\"column-2\">13<\/td>\n<td class=\"column-3\">14<\/td>\n<td class=\"column-4\">32<\/td>\n<td class=\"column-5\">36<\/td>\n<\/tr>\n<tr class=\"row-8\">\n<td class=\"column-1\">Resistenza agli shock termici (1100\u00b0C raffreddamento ad acqua) ciclo \u2265<\/td>\n<td class=\"column-2\">15<\/td>\n<td class=\"column-3\">10<\/td>\n<td class=\"column-4\">20<\/td>\n<td class=\"column-5\">7<\/td>\n<\/tr>\n<tr class=\"row-9\">\n<td class=\"column-1\">Refrattariet\u00e0 (\u00b0C)<\/td>\n<td class=\"column-2\">1710<\/td>\n<td class=\"column-3\">1750<\/td>\n<td class=\"column-4\">1800<\/td>\n<td class=\"column-5\">1800<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><!-- #tablepress-54 from cache --><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-11194\" src=\"https:\/\/keruiref.com\/wp-content\/uploads\/2023\/09\/certificate.jpg\" alt=\"certificato\" width=\"1600\" height=\"680\" srcset=\"https:\/\/keruiref.com\/wp-content\/uploads\/2023\/09\/certificate.jpg 1600w, https:\/\/keruiref.com\/wp-content\/uploads\/2023\/09\/certificate-300x128.jpg 300w, https:\/\/keruiref.com\/wp-content\/uploads\/2023\/09\/certificate-1024x435.jpg 1024w, https:\/\/keruiref.com\/wp-content\/uploads\/2023\/09\/certificate-768x326.jpg 768w, https:\/\/keruiref.com\/wp-content\/uploads\/2023\/09\/certificate-1536x653.jpg 1536w\" sizes=\"auto, (max-width: 1600px) 100vw, 1600px\" \/><\/p>\n<h2>Applicazione delle sfere refrattarie ad alto tenore di allumina<\/h2>\n<p>Le sfere refrattarie ad alto tenore di allumina hanno un'ampia gamma di applicazioni. Nell'industria metallurgica, sono utilizzate negli altiforni e nelle siviere per resistere alle alte temperature. Nell'industria ceramica, vengono applicate nei forni per migliorare l'efficienza termica. Nell'industria chimica, sono utilizzati nei reattori e nei forni per la loro resistenza alla corrosione. Sono utilizzati anche nei forni per il vetro e nelle centrali elettriche per migliorare le prestazioni e la durata delle apparecchiature.<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-11210\" src=\"https:\/\/keruiref.com\/wp-content\/uploads\/2023\/09\/case.jpg\" alt=\"casi\" width=\"1600\" height=\"720\" srcset=\"https:\/\/keruiref.com\/wp-content\/uploads\/2023\/09\/case.jpg 1600w, https:\/\/keruiref.com\/wp-content\/uploads\/2023\/09\/case-300x135.jpg 300w, https:\/\/keruiref.com\/wp-content\/uploads\/2023\/09\/case-1024x461.jpg 1024w, https:\/\/keruiref.com\/wp-content\/uploads\/2023\/09\/case-768x346.jpg 768w, https:\/\/keruiref.com\/wp-content\/uploads\/2023\/09\/case-1536x691.jpg 1536w\" sizes=\"auto, (max-width: 1600px) 100vw, 1600px\" \/><\/p>\n<h2>Vantaggi delle sfere refrattarie ad alto tenore di allumina<\/h2>\n<p>1. Alta refrattariet\u00e0, pu\u00f2 resistere a temperature fino a 1900 gradi Celsius;<br \/>\n2. Buona stabilit\u00e0 termica e resistenza agli shock termici;<br \/>\n3. Forte resistenza alla corrosione;<br \/>\n4. Elevata resistenza meccanica e lunga durata.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-11197\" src=\"https:\/\/keruiref.com\/wp-content\/uploads\/2023\/09\/Kerui-Customers.jpg\" alt=\"Clienti Kerui\" width=\"1600\" height=\"750\" srcset=\"https:\/\/keruiref.com\/wp-content\/uploads\/2023\/09\/Kerui-Customers.jpg 1600w, https:\/\/keruiref.com\/wp-content\/uploads\/2023\/09\/Kerui-Customers-300x141.jpg 300w, https:\/\/keruiref.com\/wp-content\/uploads\/2023\/09\/Kerui-Customers-1024x480.jpg 1024w, https:\/\/keruiref.com\/wp-content\/uploads\/2023\/09\/Kerui-Customers-768x360.jpg 768w, https:\/\/keruiref.com\/wp-content\/uploads\/2023\/09\/Kerui-Customers-1536x720.jpg 1536w\" sizes=\"auto, (max-width: 1600px) 100vw, 1600px\" \/><\/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=\"\/it\/wp-json\/wp\/v2\/pages\/83909#wpcf7-f328-o2\" method=\"post\" class=\"wpcf7-form init\" aria-label=\"Modulo di contatto\" novalidate=\"novalidate\" data-status=\"init\" data-trp-original-action=\"\/it\/wp-json\/wp\/v2\/pages\/83909#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>Contatto\n\t\t\t<\/p>\n<\/p><\/div>\n<div class=\"contactp\">\n<p>Non esitate a dare la vostra richiesta nel modulo giusto. Vi risponderemo entro 6 ore.\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=\"\" \/>E-mail:\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=\"\" \/>Telefono\/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 di produzione:\n\t\t\t\t<\/p>\n<p>Zona industriale dei refrattari di Chaohua,<br \/>\nCitt\u00e0 di Xinmi, provincia di Henan, Cina\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>* E-mail:\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>* Telefono\/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>Paese:\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>* Messaggio:\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=\"INVIO\" \/>\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=\"it\"\/><\/form>\n<\/div>\n<\/div>\n<div class=\"page_model\"><\/div>","protected":false},"excerpt":{"rendered":"High Alumina Refractory Balls High alumina refractory balls are commonly used in blast furnaces, ladles, reactors, heating furnaces, glass kilns, and power plants. Color: Yellow; Max service temp: 1800\u2103; Al2O3: Max service can up to 95%; Anti-corrosion, anti-thermal shock, easy to operate; Certification: ISO9001\/ISO14001\/ISO45001\/ISO50001; Sample: &#8230; <a title=\"Palla refrattaria ad alto tenore di allumina\" class=\"read-more\" href=\"https:\/\/keruiref.com\/it\/sfere-refrattarie-ad-alto-tenore-di-allumina\/\" aria-label=\"More on High Alumina Refractory Ball\">Per saperne di pi\u00f9<\/a>","protected":false},"author":1,"featured_media":83911,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":{"0":"post-83909","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>High Alumina Refractory Ball - Your Refractory Bricks, Castables Manufacturer For Kiln | Kerui Refractory\u00ae Official Website<\/title>\n<meta name=\"description\" content=\"High alumina refractory balls filter and distribute gases\/liquids in high - temp industrial reactors, kilns, ensuring smooth flow and heat 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:\/\/keruiref.com\/it\/sfere-refrattarie-ad-alto-tenore-di-allumina\/\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/keruiref.com\/high-alumina-refractory-balls\/\",\"url\":\"https:\/\/keruiref.com\/high-alumina-refractory-balls\/\",\"name\":\"High Alumina Refractory Ball - Your Refractory Bricks, Castables Manufacturer For Kiln | Kerui Refractory\u00ae Official Website\",\"isPartOf\":{\"@id\":\"https:\/\/keruiref.com\/el\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/keruiref.com\/high-alumina-refractory-balls\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/keruiref.com\/high-alumina-refractory-balls\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/keruiref.com\/wp-content\/uploads\/2025\/02\/High-alumina-refractory-balls-01.webp\",\"datePublished\":\"2025-02-17T02:46:00+00:00\",\"dateModified\":\"2025-05-27T03:34:45+00:00\",\"description\":\"High alumina refractory balls filter and distribute gases\/liquids in high - 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