{"id":21165,"date":"2025-12-29T01:59:17","date_gmt":"2025-12-29T01:59:17","guid":{"rendered":"https:\/\/nkmceramic.com\/?p=21165"},"modified":"2026-02-25T08:03:38","modified_gmt":"2026-02-25T08:03:38","slug":"ceramic-melting-points-guide","status":"publish","type":"post","link":"https:\/\/nkmceramic.com\/ar\/ceramic-melting-points-guide\/","title":{"rendered":"Ceramic Melting Points: Do They Have the Same Melting Point?"},"content":{"rendered":"<p>Ceramics always be the top choice for extreme condition. When choosing materials, you might wonder: Why different ceramics have different melting point? Is a higher melting point always better?<\/p>\n<p>In this article, we will explain the melting point of ceramics for you. After reading, you can get a clear understanding of how to choose a suitable ceramic only for your industrial application. First, let\u2019s start with the definition of ceramics.<\/p>\n<figure id=\"attachment_21133\" aria-describedby=\"caption-attachment-21133\" style=\"width: 1280px\" class=\"wp-caption alignnone\"><img decoding=\"async\" class=\"size-full wp-image-21133 lazyload\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/nkmceramic.com\/wp-content\/uploads\/2025\/12\/1-Advanced-Ceramic-Applications-in-High-Temperature-Environments.jpg\" alt=\"Advanced Ceramic Applications in High-Temperature Environments\" width=\"1280\" height=\"720\" \/><figcaption id=\"caption-attachment-21133\" class=\"wp-caption-text\"><noscript><img decoding=\"async\" class=\"size-full wp-image-21133 lazyload\" src=\"https:\/\/nkmceramic.com\/wp-content\/uploads\/2025\/12\/1-Advanced-Ceramic-Applications-in-High-Temperature-Environments.jpg\" alt=\"Advanced Ceramic Applications in High-Temperature Environments\" width=\"1280\" height=\"720\" srcset=\"https:\/\/nkmceramic.com\/wp-content\/uploads\/2025\/12\/1-Advanced-Ceramic-Applications-in-High-Temperature-Environments.jpg 1280w, https:\/\/nkmceramic.com\/wp-content\/uploads\/2025\/12\/1-Advanced-Ceramic-Applications-in-High-Temperature-Environments-768x432.jpg 768w\" sizes=\"(max-width: 1280px) 100vw, 1280px\" \/><\/noscript> Advanced Ceramic Applications in High-Temperature Environments<\/figcaption><\/figure>\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/nkmceramic.com\/ar\/ceramic-melting-points-guide\/#What_is_Ceramic_Materials\" >What is Ceramic Materials?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/nkmceramic.com\/ar\/ceramic-melting-points-guide\/#Examples_of_Ceramic_Materials_and_Their_Melting_Point\" >Examples of\u00a0Ceramic Materials and Their Melting Point<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/nkmceramic.com\/ar\/ceramic-melting-points-guide\/#How_the_Melting_Point_of_Ceramic_Materials_Make_up_Their_Uses\" >How the Melting Point of Ceramic Materials Make up Their Uses?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/nkmceramic.com\/ar\/ceramic-melting-points-guide\/#High_Melting_Point_High-Temperature_Heavy_Industry\" >High Melting Point: High-Temperature Heavy Industry<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/nkmceramic.com\/ar\/ceramic-melting-points-guide\/#Middle_Melting_Point_Moderate_Industry\" >Middle Melting Point: Moderate Industry<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/nkmceramic.com\/ar\/ceramic-melting-points-guide\/#Low_Melting_Point_Daily-life_Use\" >Low Melting Point: Daily-life Use<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/nkmceramic.com\/ar\/ceramic-melting-points-guide\/#What_is_Thermal_Shock_of_Ceramic\" >What is Thermal Shock of Ceramic?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/nkmceramic.com\/ar\/ceramic-melting-points-guide\/#Conclusion\" >Conclusion<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/nkmceramic.com\/ar\/ceramic-melting-points-guide\/#FAQs\" >FAQs<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/nkmceramic.com\/ar\/ceramic-melting-points-guide\/#Reference\" >Reference<\/a><\/li><\/ul><\/nav><\/div>\n\n<h2><span class=\"ez-toc-section\" id=\"What_is_Ceramic_Materials\"><\/span><strong><b>What is Ceramic Materials?<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Once mentioned about ceramics, you may think about the porcelain, tiles and some other daily-use items. To define them, we summarize the features that they have<\/p>\n<ul>\n<li>Ceramics consists of compounds, such as minerals, oxides, carbides and so on.<\/li>\n<li>Ceramics are not contain metals.<\/li>\n<li>Ceramics are formed by inorganic substances.<\/li>\n<\/ul>\n<p>Through that, we can easily get <a href=\"https:\/\/nkmceramic.com\/an-overview-of-ceramic-materials\/\"><u>the definition of ceramic materials<\/u><\/a>, that is, a inorganic and no-metallic solid. As a result, it has some distinctive properties like:<\/p>\n<ul>\n<li>High-temperature resistance.<\/li>\n<li>Chemical stability in corrosive environment.<\/li>\n<li>Better hardness and strength than metals.<\/li>\n<li>Wear resistance.<\/li>\n<li>Excellent thermal resistance.<\/li>\n<\/ul>\n<p>Ceramics can be divided into 2 main categories: <a href=\"https:\/\/nkmceramic.com\/how-does-advanced-ceramic-compare-to-traditional-ceramics\/\"><u>Traditional Ceramic and Advanced Ceramic<\/u><\/a>. From daily-life uses to high-end industrial applications, you will find ceramics are used in every corner of our life.<\/p>\n<p>It is obvious that ceramics possess various properties, because they are formed by different elements or materials. The melting points of ceramics are mostly based on their composition. Next, we will explore the melting points of different ceramics.<b><\/b><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Examples_of_Ceramic_Materials_and_Their_Melting_Point\"><\/span><strong><b>Examples of<\/b><\/strong><strong><b>\u00a0<\/b><\/strong><strong><b>Ceramic Materials and Their <\/b><\/strong><strong><b>Melting Point<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The table below\u00a0summarize\u00a0the melting point of some ceramic materials\u00a0from the highest melting point of ceramic material to the lowest one. You can get a clear understanding of their properties and applications.<\/p>\n<table>\n<tbody>\n<tr>\n<td width=\"26.4800%\"><strong><b>Ceramic Material<\/b><\/strong><\/td>\n<td width=\"32.7400%\"><strong><b>Melting Point<\/b><\/strong><\/td>\n<td width=\"40.7400%\"><strong><b>Other Notes<\/b><\/strong><\/td>\n<\/tr>\n<tr>\n<td width=\"26.4800%\"><strong><b>Hafnium Carbide<\/b><\/strong><\/td>\n<td width=\"32.7400%\">~3,900\u2103<\/td>\n<td width=\"40.7400%\">One of the highest known melting points<\/td>\n<\/tr>\n<tr>\n<td width=\"26.4800%\"><strong><b>Zirconium Diboride<\/b><\/strong><\/td>\n<td width=\"32.7400%\">~3,245\u2103<\/td>\n<td width=\"40.7400%\">Ultra-high temperature ceramic<\/p>\n<p>Excellent ablation resistance<\/td>\n<\/tr>\n<tr>\n<td width=\"26.4800%\"><strong><b>Boron Nitride<\/b><\/strong><\/td>\n<td width=\"32.7400%\">~2,900\u2103 (In Nitrogen)<\/td>\n<td width=\"40.7400%\">Excellent thermal shock resistance<\/p>\n<p>Non-wetting to metals<\/p>\n<p>Insulation<\/td>\n<\/tr>\n<tr>\n<td width=\"26.4800%\"><strong><b>Magnesium Oxide<\/b><\/strong><\/td>\n<td width=\"32.7400%\">~2,852\u2103<\/td>\n<td width=\"40.7400%\">Alkaline refractory material<\/p>\n<p>Strong slag resistance<\/td>\n<\/tr>\n<tr>\n<td width=\"26.4800%\"><strong><b>Silicon Carbide<\/b><\/strong><\/td>\n<td width=\"32.7400%\">~2,730\u2103 (Sublimation)<\/td>\n<td width=\"40.7400%\">High thermal conductivity<\/p>\n<p>High hardness, wear resistance<\/td>\n<\/tr>\n<tr>\n<td width=\"26.4800%\"><strong><b>Zirconia<\/b><\/strong><\/td>\n<td width=\"32.7400%\">~2,715\u2103<\/td>\n<td width=\"40.7400%\">Low thermal conductivity<\/p>\n<p>High toughness<\/p>\n<p>Acid\/alkali resistance<\/td>\n<\/tr>\n<tr>\n<td width=\"26.4800%\"><strong><b>Boron Carbide<\/b><\/strong><\/td>\n<td width=\"32.7400%\">~2,450\u2103<\/td>\n<td width=\"40.7400%\">Extremely high hardness<\/p>\n<p>Nuclear radiation resistance<\/td>\n<\/tr>\n<tr>\n<td width=\"26.4800%\"><strong><b>Aluminum Nitride<\/b><\/strong><\/td>\n<td width=\"32.7400%\">~2,200\u2103<\/td>\n<td width=\"40.7400%\">Excellent insulation<\/p>\n<p>High thermal conductivity<\/td>\n<\/tr>\n<tr>\n<td width=\"26.4800%\"><strong><b>Spinel<\/b><\/strong><\/td>\n<td width=\"32.7400%\">~2,135\u2103<\/td>\n<td width=\"40.7400%\">Excellent chemical stability at high temperatures<\/td>\n<\/tr>\n<tr>\n<td width=\"26.4800%\"><strong><b>Alumina<\/b><\/strong><\/td>\n<td width=\"32.7400%\">~2,050\u2103<\/td>\n<td width=\"40.7400%\">Cost-effective choice<\/p>\n<p>Superior electrical insulation<\/td>\n<\/tr>\n<tr>\n<td width=\"26.4800%\"><strong><b>Silicon Nitride<\/b><\/strong><\/td>\n<td width=\"32.7400%\">~1,900\u2103 (Decomposition)<\/td>\n<td width=\"40.7400%\">Strong overall mechanical properties<\/p>\n<p>Thermal shock resistance<\/td>\n<\/tr>\n<tr>\n<td width=\"26.4800%\"><strong><b>Mullite<\/b><\/strong><\/td>\n<td width=\"32.7400%\">~1,840\u2103<\/td>\n<td width=\"40.7400%\">Most used for fire-resistant liners<\/p>\n<p>High-temperature stability<\/td>\n<\/tr>\n<tr>\n<td width=\"26.4800%\"><strong><b>Bone China<\/b><\/strong><\/td>\n<td width=\"32.7400%\">~1,670\u2103<\/td>\n<td width=\"40.7400%\">Good strength and transparency<\/p>\n<p>Common for daily-use like cutlery and decorations<\/td>\n<\/tr>\n<tr>\n<td width=\"26.4800%\"><strong><b>Glass Ceramic<\/b><\/strong><\/td>\n<td width=\"32.7400%\">~850 &#8211; 1,720\u2103<\/td>\n<td width=\"40.7400%\">High toughness and dimensional stability<\/p>\n<p>Changeable transparency<\/p>\n<p>High temperature resistance<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>* The data above are only approximate. The melting point depends on exact processing methods and the purity of materials.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"How_the_Melting_Point_of_Ceramic_Materials_Make_up_Their_Uses\"><\/span><strong><b>How the Melting Point of Ceramic Materials Make up Their Uses?<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Simply put, stable performance in specific condition is\u00a0the key to industrial selection. Ceramic materials with various melting points are suit for almost all kinds of industries.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"High_Melting_Point_High-Temperature_Heavy_Industry\"><\/span><strong><b>High Melting Point: High-Temperature Heavy Industry<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Some ceramic can endure extreme temperature &#8211; even up to 3,000\u2103 and more. These super-high temperature ceramic are ideal for industries that need to dealing with high-temperature. Usually, they are selected for extremely high-temperature needs. For example:<\/p>\n<p><strong><b>Semiconductor M<\/b><\/strong><strong><b>anufacturing<\/b><\/strong>: Wafer Carrier, lining for high-temperature sintering furnace and other <a href=\"https:\/\/nkmceramic.com\/silicon-carbide-parts\/\"><u>parts<\/u><\/a><\/p>\n<p><strong><b>Aerospace and Military<\/b><\/strong>: Rocket engine nozzle liner, spacecraft heat insulation tiles<\/p>\n<p><strong><b>Metallurgy<\/b><\/strong>: <a href=\"https:\/\/nkmceramic.com\/boron-nitride-crucibles\/\"><u>Crucibles for molten metals<\/u><\/a>, molten steel pouring nozzle<\/p>\n<p>High melting points ceramic like HfC are the best solutions for your endure industrial environment.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Middle_Melting_Point_Moderate_Industry\"><\/span><strong><b>Middle Melting Point: Moderate Industry<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>For those ceramic materials that do not have extremely high melting points, they are applicable to industries needing medium performance:<\/p>\n<p><strong><b>High-Temperature Kilns<\/b><\/strong>: <a href=\"https:\/\/nkmceramic.com\/silicon-carbide-kiln-shelves\/\"><u>Supporting shelves<\/u><\/a>, <a href=\"https:\/\/nkmceramic.com\/silicon-carbide-brick\/\"><u>lining brick<\/u><\/a><\/p>\n<p><strong><b>Mechanical Parts<\/b><\/strong>: Ceramic cutters, <a href=\"https:\/\/nkmceramic.com\/silicon-carbide-plates\/\"><u>wear-resistant liner plate<\/u><\/a><\/p>\n<p><strong><b>Chemical <\/b><\/strong><strong><b>C<\/b><\/strong><strong><b>orrosion <\/b><\/strong><strong><b>P<\/b><\/strong><strong><b>rotection<\/b><\/strong>: Lining of pipelines, medium-temperature reaction vessels<\/p>\n<p>Ceramic material with middle melting point usually perfect for most of common industries.<\/p>\n<figure id=\"attachment_21134\" aria-describedby=\"caption-attachment-21134\" style=\"width: 1280px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/nkmceramic.com\/silicon-carbide-kiln-shelves\/\"><img decoding=\"async\" class=\"size-full wp-image-21134 lazyload\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/nkmceramic.com\/wp-content\/uploads\/2025\/12\/2-Newthink-Silicon-Carbide-Kiln-Shelves-Drawings.jpg\" alt=\"Newthink Silicon Carbide Kiln Shelves Drawings\" width=\"1280\" height=\"720\" \/><figcaption id=\"caption-attachment-21134\" class=\"wp-caption-text\"><noscript><img decoding=\"async\" class=\"size-full wp-image-21134 lazyload\" src=\"https:\/\/nkmceramic.com\/wp-content\/uploads\/2025\/12\/2-Newthink-Silicon-Carbide-Kiln-Shelves-Drawings.jpg\" alt=\"Newthink Silicon Carbide Kiln Shelves Drawings\" width=\"1280\" height=\"720\" srcset=\"https:\/\/nkmceramic.com\/wp-content\/uploads\/2025\/12\/2-Newthink-Silicon-Carbide-Kiln-Shelves-Drawings.jpg 1280w, https:\/\/nkmceramic.com\/wp-content\/uploads\/2025\/12\/2-Newthink-Silicon-Carbide-Kiln-Shelves-Drawings-768x432.jpg 768w\" sizes=\"(max-width: 1280px) 100vw, 1280px\" \/><\/noscript><\/a> Newthink Silicon Carbide Kiln Shelves Drawings<\/figcaption><\/figure>\n<h3><span class=\"ez-toc-section\" id=\"Low_Melting_Point_Daily-life_Use\"><\/span><strong><b>Low Melting Point: Daily-life Use<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p>Without extreme temperature and other harsh conditions, ceramics with low melting point are familiar in our daily life.<\/p>\n<p><strong><b>Cutlery and Cooker<\/b><\/strong>: Dishes made of bone china or porcelain<\/p>\n<p><strong><b>Bathroom Parts<\/b><\/strong>: Tiles, sinks and toilet<\/p>\n<p><strong><b>Basic <\/b><\/strong><strong><b>E<\/b><\/strong><strong><b>lectronic <\/b><\/strong><strong><b>C<\/b><\/strong><strong><b>eramics<\/b><\/strong>: Insulating ceramic components like\u00a0wire insulators and circuit boards<\/p>\n<p>Though they cannot bear high-temperature, low melting point ceramics are still useful in many daily use. From 850\u2103 to 3,900\u2103, ceramic melting points cover both high and low. Different ceramic materials have different application.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"What_is_Thermal_Shock_of_Ceramic\"><\/span><strong><b>What is Thermal Shock of Ceramic?<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Some may think that the higher melting point that ceramic material possesses, the better its performance.<\/p>\n<p>Anyway, this is wrong. Besides melting point, you should also consider thermal shock resistance of a ceramic material.<\/p>\n<p>When the material goes on a rapid temperature change, it leads to internal thermal stress. Metals and plastics can offset thermal stress by deformation. However, if thermal stress accumulates in ceramic, cracking and breakages will happened.<\/p>\n<p>Before determine the specific ceramic for your industries, a test on its thermal shock resistance is important.<\/p>\n<p>Moreover, ceramic may creep in extremely high temperature when under continuous stress. This directly determines the life of ceramic parts.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Conclusion\"><\/span><strong><b>Conclusion<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Knowing\u00a0the melting point is just the beginning\u00a0of your projects. The material\u00a0you selected\u00a0should also\u00a0match your specific working conditions.<\/p>\n<p>Want to find out which is the best for your project? <a href=\"https:\/\/nkmceramic.com\/\"><u>Newthink New Materials<\/u><\/a>\u00a0specializes in the R&amp;D and customization of advanced ceramic, especially <a href=\"https:\/\/nkmceramic.com\/silicon-carbide-ceramic\/\"><u>s<\/u><u>ilicon <\/u><u>c<\/u><u>arbide<\/u><\/a>, alumina, and <a href=\"https:\/\/nkmceramic.com\/boron-nitride-ceramic\/\"><u>b<\/u><u>oron <\/u><u>n<\/u><u>itride<\/u><\/a>. Contact us for professional material selection consulting and a free quote.<\/p>\n<figure id=\"attachment_21135\" aria-describedby=\"caption-attachment-21135\" style=\"width: 1280px\" class=\"wp-caption alignnone\"><img decoding=\"async\" class=\"size-full wp-image-21135 lazyload\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/nkmceramic.com\/wp-content\/uploads\/2025\/12\/3-Silicon-Carbide-Crucibles-manufactured-by-Newthink.jpg\" alt=\"Silicon Carbide Crucibles manufactured by Newthink\" width=\"1280\" height=\"720\" \/><figcaption id=\"caption-attachment-21135\" class=\"wp-caption-text\"><noscript><img decoding=\"async\" class=\"size-full wp-image-21135 lazyload\" src=\"https:\/\/nkmceramic.com\/wp-content\/uploads\/2025\/12\/3-Silicon-Carbide-Crucibles-manufactured-by-Newthink.jpg\" alt=\"Silicon Carbide Crucibles manufactured by Newthink\" width=\"1280\" height=\"720\" srcset=\"https:\/\/nkmceramic.com\/wp-content\/uploads\/2025\/12\/3-Silicon-Carbide-Crucibles-manufactured-by-Newthink.jpg 1280w, https:\/\/nkmceramic.com\/wp-content\/uploads\/2025\/12\/3-Silicon-Carbide-Crucibles-manufactured-by-Newthink-768x432.jpg 768w\" sizes=\"(max-width: 1280px) 100vw, 1280px\" \/><\/noscript> Silicon Carbide Crucibles manufactured by Newthink<\/figcaption><\/figure>\n<h2><span class=\"ez-toc-section\" id=\"FAQs\"><\/span><strong><b>FAQs<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<ol>\n<li><b><\/b><strong><b>What is the difference between the <\/b><\/strong><strong><b>Melting Point and the <\/b><\/strong><strong><b>Recommended Working Temperature? <\/b><\/strong><\/li>\n<\/ol>\n<p>The theoretical melting point is the physical limit. Under this temperature, the material\u2019s structure will collapse. We recommend that the long-term operating temperature be kept several hundred degrees below the theoretical melting point. In this way, you can\u00a0avoid the risks like oxidation or softening under load.<\/p>\n<ol start=\"2\">\n<li><b><\/b><strong><b>Why some ceramics do not have a specific melting point? <\/b><\/strong><\/li>\n<\/ol>\n<p>Ceramics like\u00a0silicon carbide and silicon nitride undergo sublimation or decomposition at high temperatures. They will not\u00a0turn from a solid into a liquid. Therefore, their limits are measured by decomposition or sublimation temperatures.<\/p>\n<ol start=\"3\">\n<li><b><\/b><strong><b>In an air environment above 1,500\u2103, should I choose SiC or Al<\/b><\/strong><strong><sub><b>2<\/b><\/sub><\/strong><strong><b>O<\/b><\/strong><strong><sub><b>3<\/b><\/sub><\/strong><strong><b>? <\/b><\/strong><\/li>\n<\/ol>\n<p>While SiC has higher strength, it forms a silica protective layer in oxygen-rich environments. If the temperature remains extremely high for long periods, alumina, as an oxide ceramic, may offer better chemical stability. We recommend consulting a professional supplier for specific conditions.<\/p>\n<ol start=\"4\">\n<li><b><\/b><strong><b>Do ceramic materials break due to heat or cool?<\/b><\/strong><\/li>\n<\/ol>\n<p>Yes. Quick heat or cool can cause internal thermal stress. Slow temperature change will not lead to break. Please avoid sudden heat or cool to protect your ceramic material.<\/p>\n<ol start=\"5\">\n<li><b><\/b><strong><b>Which Ceramic Materials Have the Highest Melting Points?<\/b><\/strong><\/li>\n<\/ol>\n<p>The melting point of Hafnium Carbide\u00a0(~3,900\u2103) is the highest up to now.<\/p>\n<p>These ultra-high temperature ceramic\u00a0materials\u00a0are used in components\u00a0like\u00a0rocket nozzles for extreme environments.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Reference\"><\/span><strong><b>Reference<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><u>[1] <\/u><a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/B9780080347202500101\"><u>Brook, R. J. (1991). Advanced ceramic materials: an overview.\u00a0<\/u><em><u><i>Concise Encyclopedia of Advanced Ceramic Materials<\/i><\/u><\/em><u>, 1-8.<\/u><\/a><\/p>\n<p><u>[2] <\/u><a href=\"https:\/\/www.mdpi.com\/2073-4352\/8\/5\/217\"><u>Daviau, K., &amp; Lee, K. K. (2018). High-pressure, high-temperature behavior of silicon carbide: A review.\u00a0<\/u><em><u><i>Crystals<\/i><\/u><\/em><u>,\u00a0<\/u><em><u><i>8<\/i><\/u><\/em><u>(5), 217.<\/u><\/a><\/p>\n<p><u>[3] <\/u><a href=\"https:\/\/iopscience.iop.org\/article\/10.1088\/0953-8984\/24\/5\/055401\/meta\"><u>De Koker, N. (2012). Melting of cubic boron nitride at extreme pressures.\u00a0<\/u><em><u><i>Journal of Physics: Condensed Matter<\/i><\/u><\/em><u>,\u00a0<\/u><em><u><i>24<\/i><\/u><\/em><u>(5), 055401.<\/u><\/a><\/p>\n<p><u>[4] <\/u><a href=\"https:\/\/www.tandfonline.com\/doi\/abs\/10.1080\/10408430701718914\"><u>Presser, V., &amp; Nickel, K. G. (2008). Silica on silicon carbide.\u00a0<\/u><em><u><i>Critical reviews in solid state and materials sciences<\/i><\/u><\/em><u>,\u00a0<\/u><em><u><i>33<\/i><\/u><\/em><u>(1), 1-99.<\/u><\/a><\/p>\n<p><u>[5] <\/u><a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S027288421931572X\"><u>Qu, N., Liu, Y., Liao, M., Lai, Z., Zhou, F., Cui, P., &#8230; &amp; Zhu, J. (2019). Ultra-high temperature ceramics melting temperature prediction via machine learning.\u00a0<\/u><em><u><i>Ceramics International<\/i><\/u><\/em><u>,\u00a0<\/u><em><u><i>45<\/i><\/u><\/em><u>(15), 18551-18555.<\/u><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ceramics always be the top choice for extreme condition. When choosing materials, you might wonder: Why different ceramics have different melting point? Is a higher melting point always better? In this article, we will explain the melting point of ceramics for you. After reading, you can get a clear understanding [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":21133,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"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":"disabled","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","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 center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-21165","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Ceramic Melting Points: Do They Have the Same Melting Point?<\/title>\n<meta name=\"description\" content=\"Get an understanding of melting points of different ceramics. 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