{"id":20782,"date":"2025-11-20T08:59:55","date_gmt":"2025-11-20T08:59:55","guid":{"rendered":"https:\/\/nkmceramic.com\/?p=20782"},"modified":"2026-02-26T08:42:58","modified_gmt":"2026-02-26T08:42:58","slug":"top-10-high-thermal-conductivity-ceramics","status":"publish","type":"post","link":"https:\/\/nkmceramic.com\/pt\/top-10-high-thermal-conductivity-ceramics\/","title":{"rendered":"Top 10 High Thermal Conductivity Ceramics &#8211; Which One is the Best for Your Industry?"},"content":{"rendered":"<p>Working in industries like electronics, semiconductors or aerospace, you probably understand how equipment\u2019s thermal management efficiency can affect the performance of your products. Finding the right ceramic material can drastically bring down equipment failure rates and prolong its service life. This article will introduce ten such ceramics with high thermal conductivity and provide you with the references to choose.<\/p>\n<figure id=\"attachment_20783\" aria-describedby=\"caption-attachment-20783\" style=\"width: 622px\" class=\"wp-caption alignnone\"><img decoding=\"async\" class=\"size-full wp-image-20783 lazyload\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/nkmceramic.com\/wp-content\/uploads\/2025\/11\/1-Ceramic-Products-Made-of-Different-Materials.jpg\" alt=\"Ceramic Products Made of Different Materials\" width=\"622\" height=\"425\" \/><figcaption id=\"caption-attachment-20783\" class=\"wp-caption-text\"><noscript><img decoding=\"async\" class=\"size-full wp-image-20783 lazyload\" src=\"https:\/\/nkmceramic.com\/wp-content\/uploads\/2025\/11\/1-Ceramic-Products-Made-of-Different-Materials.jpg\" alt=\"Ceramic Products Made of Different Materials\" width=\"622\" height=\"425\" srcset=\"https:\/\/nkmceramic.com\/wp-content\/uploads\/2025\/11\/1-Ceramic-Products-Made-of-Different-Materials.jpg 973w, https:\/\/nkmceramic.com\/wp-content\/uploads\/2025\/11\/1-Ceramic-Products-Made-of-Different-Materials-768x524.jpg 768w\" sizes=\"(max-width: 622px) 100vw, 622px\" \/><\/noscript> Ceramic Products Made of Different Materials<\/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\/pt\/top-10-high-thermal-conductivity-ceramics\/#10_High_Thermal_Conductivity_Ceramic_Materials\" >10 High Thermal Conductivity Ceramic Materials<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/nkmceramic.com\/pt\/top-10-high-thermal-conductivity-ceramics\/#Polycrystalline_Diamond_PCD\" >Polycrystalline Diamond (PCD)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/nkmceramic.com\/pt\/top-10-high-thermal-conductivity-ceramics\/#Beryllium_Oxide_BeO\" >Beryllium Oxide (BeO)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/nkmceramic.com\/pt\/top-10-high-thermal-conductivity-ceramics\/#Aluminum_Nitride_AlN\" >Aluminum Nitride (AlN)<\/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\/pt\/top-10-high-thermal-conductivity-ceramics\/#Hexagonal_Boron_Nitride_h-BN\" >Hexagonal Boron Nitride (h-BN)<\/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\/pt\/top-10-high-thermal-conductivity-ceramics\/#Silicon_Carbide_SiC\" >Silicon Carbide\u00a0(SiC)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/nkmceramic.com\/pt\/top-10-high-thermal-conductivity-ceramics\/#Silicon_Nitride_Si3N4\" >Silicon Nitride (Si3N4)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/nkmceramic.com\/pt\/top-10-high-thermal-conductivity-ceramics\/#Titanium_Diboride_TiB2\" >Titanium Diboride (TiB2)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/nkmceramic.com\/pt\/top-10-high-thermal-conductivity-ceramics\/#Magnesium_Oxide_MgO\" >Magnesium Oxide (MgO)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/nkmceramic.com\/pt\/top-10-high-thermal-conductivity-ceramics\/#Alumina_Al2O3\" >Alumina (Al2O3)<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/nkmceramic.com\/pt\/top-10-high-thermal-conductivity-ceramics\/#Zirconia_ZrO2\" >Zirconia (ZrO2)<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/nkmceramic.com\/pt\/top-10-high-thermal-conductivity-ceramics\/#How_to_Choose_Materials_to_Suit_My_Industrial_Manufacturing\" >How to Choose Materials to Suit My Industrial Manufacturing?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-13\" href=\"https:\/\/nkmceramic.com\/pt\/top-10-high-thermal-conductivity-ceramics\/#Reference\" >Reference<\/a><\/li><\/ul><\/nav><\/div>\n\n<h2><span class=\"ez-toc-section\" id=\"10_High_Thermal_Conductivity_Ceramic_Materials\"><\/span><strong><b id=\"10-High-Thermal-Conductivity-Ceramic-Materials\">10 High Thermal Conductivity Ceramic Materials<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h3><span class=\"ez-toc-section\" id=\"Polycrystalline_Diamond_PCD\"><\/span><strong><b id=\"Polycrystalline-Diamond\">Polycrystalline Diamond (PCD)<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong><b>Thermal Conductivity: <\/b><\/strong>1642\u20132000 W\/m\u00b7K<\/p>\n<p><strong><b>Properties: <\/b><\/strong>PCD is one of the best thermal conductors. Its performance depends on the preparation method used and the level of impurities.<\/p>\n<p><strong><b>Applications:<\/b><\/strong>\u00a0PCD can be used in places where highly effective heat dissipation is required. Because of its excellent thermal conductivity and wear resistance, it is now used in modern industry as high-wear parts and cutting tools. Its high-temperature and high-conductivity properties are leveraged in the manufacture of high-temperature or high-conductivity components. PCD\u2019s excellent heat dissipation capabilities make it a promising solution for electronic device cooling and precision instruments.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Beryllium_Oxide_BeO\"><\/span><strong><b id=\"Beryllium-Oxide\">Beryllium Oxide (BeO)<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong><b>Thermal Conductivity: <\/b><\/strong>260\u2013300 W\/m\u00b7K<\/p>\n<p><strong><b>Properties: <\/b><\/strong>BeO\u2019s thermal conductivity is 10 times\u00a0than\u00a0that of alumina ceramics. It also has excellent insulation properties and good resistance to thermal shock.<\/p>\n<p><strong><b>Applications: <\/b><\/strong>With its high thermal conductivity and good insulation property, BeO can be used in power device packaging as a high-conductivity substrate in the electronics industry. In aerospace, its resistance to thermal shock can be utilized in aircraft and satellite communication system components. Other applications include nuclear power, linings of automotive ignition devices, and in the laser industry for the production of high-efficiency lasers.<\/p>\n<p>BeO powder is highly toxic, and its thermal conductivity decreases considerably with the temperature rise. As a result,\u00a0the applications of BeO are quite limited. Strict control over usage processes is needed.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Aluminum_Nitride_AlN\"><\/span><strong><b id=\"Aluminum-Nitride\">Aluminum Nitride (AlN)<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong><b>Thermal Conductivity: <\/b><\/strong>170\u2013320 W\/m\u00b7K<\/p>\n<p><strong><b>Properties: <\/b><\/strong>High thermal conductivity and excellent insulation. The thermal expansion coefficient is compatible with that of silicon.<\/p>\n<p><strong><b>Applications:<\/b><\/strong>\u00a0The main applications of AlN are in electronic and semiconductor packaging, which include but are not limited to heat dissipation substrates for high-power modules and electrostatic chucks. In aerospace, the metal\u2019s resistance to high temperature allows its application in parts related to the engine and other components at elevated temperatures. It serves the new energy automobile industry in making heat dissipation modules. Being non-toxic and environment-friendly, AlN can be used as a filler in thermal interface materials, overcoming the toxicity problem of BeO.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Hexagonal_Boron_Nitride_h-BN\"><\/span><strong><b id=\"Hexagonal-Boron-Nitride\">Hexagonal Boron Nitride (h-BN)<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<figure id=\"attachment_20784\" aria-describedby=\"caption-attachment-20784\" style=\"width: 622px\" class=\"wp-caption alignnone\"><img decoding=\"async\" class=\"size-full wp-image-20784 lazyload\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/nkmceramic.com\/wp-content\/uploads\/2025\/11\/2-Boron-Nitride-Products-Tubes-Manufactured-by-NKM.jpg\" alt=\"Boron Nitride Products (Tubes) Manufactured by NKM\" width=\"622\" height=\"425\" \/><figcaption id=\"caption-attachment-20784\" class=\"wp-caption-text\"><noscript><img decoding=\"async\" class=\"size-full wp-image-20784 lazyload\" src=\"https:\/\/nkmceramic.com\/wp-content\/uploads\/2025\/11\/2-Boron-Nitride-Products-Tubes-Manufactured-by-NKM.jpg\" alt=\"Boron Nitride Products (Tubes) Manufactured by NKM\" width=\"622\" height=\"425\" \/><\/noscript> Boron Nitride Products (Tubes) Manufactured by NKM<\/figcaption><\/figure>\n<p><strong><b>Thermal Conductivity:<\/b><\/strong>\u00a0185\u2013300 W\/m\u00b7K<\/p>\n<p><strong><b>Properties: <\/b><\/strong>A versatile material with outstanding thermal conductivity. It also has good\u00a0high-temperature resistance, chemical corrosion resistance and insulation.<\/p>\n<p><strong><b>Applications:<\/b><\/strong>\u00a0h-BN is widely used in industries that involve very high temperatures and in metallurgy. The extreme thermal conductivity and insulation properties of h-BN make it suitable for use in heat dissipation substrates and high-frequency insulation materials in the electronic and semiconductor industries. The high resistance to temperature is utilized to produce high-temperature lubricants and thermal protection materials in aerospace. In the chemical industry, it is used in the manufacture of corrosion-resistant equipment.<\/p>\n<p>NKM offers boron nitride products, including hexagonal boron nitride. For more information about boron nitride products, please visit <a href=\"https:\/\/nkmceramic.com\/boron-nitride-ceramic\/\"><u>Boron Nitride Ceramic<\/u><\/a>.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Silicon_Carbide_SiC\"><\/span><a href=\"https:\/\/nkmceramic.com\/silicon-carbide-product\/\"><strong><u><b>Silicon Carbide<\/b><\/u><\/strong><\/a><strong><b>\u00a0(SiC)<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong><b>Thermal Conductivity:<\/b><\/strong>\u00a090\u2013270 W\/m\u00b7K<\/p>\n<p><strong><b>Properties: <\/b><\/strong>Silicon carbide maintains good performance in heat dissipation at high temperatures. The heat conductivity decreases with increasing temperature. It is very hard and resistant to wear.<\/p>\n<p><strong><b>Applications:<\/b><\/strong>\u00a0SiC is the best material to balance high-temperature stability and heat dissipation efficiency.<strong><b>\u00a0<\/b><\/strong>It is used in semiconductor manufacturing and the photovoltaic sector for producing photolithography machine components, wafer processing parts, and epitaxial trays because of its excellent high-temperature stability and abrasion resistance. In high-temperature industries, it serves as kiln furniture, while in the chemical and metallurgical sectors, SiC is used to make corrosion-resistant parts, wear-resistant components, and <a href=\"https:\/\/nkmceramic.com\/silicon-carbide-heat-exchanger\/\"><u>heat exchangers<\/u><\/a>. Furthermore, it can be applied in the military sector to the enhancement of protection systems and improvement of bulletproof armor quality. It\u00a0could also be prepared for the manufacture of heat dissipation substrates in new energy and power electronics.<\/p>\n<figure id=\"attachment_20785\" aria-describedby=\"caption-attachment-20785\" style=\"width: 622px\" class=\"wp-caption alignnone\"><img decoding=\"async\" class=\"size-full wp-image-20785 lazyload\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/nkmceramic.com\/wp-content\/uploads\/2025\/11\/3-NKM-Customer-Customized-Silicon-Carbide-Bushing-Drawings.jpg\" alt=\"NKM Customer-Customized Silicon Carbide Bushing Drawings\" width=\"622\" height=\"425\" \/><figcaption id=\"caption-attachment-20785\" class=\"wp-caption-text\"><noscript><img decoding=\"async\" class=\"size-full wp-image-20785 lazyload\" src=\"https:\/\/nkmceramic.com\/wp-content\/uploads\/2025\/11\/3-NKM-Customer-Customized-Silicon-Carbide-Bushing-Drawings.jpg\" alt=\"NKM Customer-Customized Silicon Carbide Bushing Drawings\" width=\"622\" height=\"425\" srcset=\"https:\/\/nkmceramic.com\/wp-content\/uploads\/2025\/11\/3-NKM-Customer-Customized-Silicon-Carbide-Bushing-Drawings.jpg 2140w, https:\/\/nkmceramic.com\/wp-content\/uploads\/2025\/11\/3-NKM-Customer-Customized-Silicon-Carbide-Bushing-Drawings-768x524.jpg 768w, https:\/\/nkmceramic.com\/wp-content\/uploads\/2025\/11\/3-NKM-Customer-Customized-Silicon-Carbide-Bushing-Drawings-1536x1049.jpg 1536w, https:\/\/nkmceramic.com\/wp-content\/uploads\/2025\/11\/3-NKM-Customer-Customized-Silicon-Carbide-Bushing-Drawings-2048x1398.jpg 2048w\" sizes=\"(max-width: 622px) 100vw, 622px\" \/><\/noscript> NKM Customer-Customized <a href=\"https:\/\/nkmceramic.com\/silicon-carbide-bushing\/\">Silicon Carbide Bushing<\/a> Drawings<\/figcaption><\/figure>\n<p><strong><b>Case: Silicon Carbide Ceramic <\/b><\/strong><a href=\"https:\/\/nkmceramic.com\/silicon-carbide-crucible\/\"><strong><u><b>Crucibles<\/b><\/u><\/strong><\/a><\/p>\n<p>Silicon carbide crucible is used to melt metals like aluminum, copper and zinc. It has\u00a0excellent thermal conductivity,\u00a0allowing\u00a0a large reduction in the melting\u00a0time. This\u00a0saves\u00a0energy and also improves\u00a0efficiency. Compared to alumina one, the thermal conductivity of silicon carbide crucible is 3-5 times higher, assuring faster and more homogeneous heat transfer.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Silicon_Nitride_Si3N4\"><\/span><strong><b id=\"Silicon-Nitride\">Silicon Nitride (Si<\/b><\/strong><strong><sub><b>3<\/b><\/sub><\/strong><strong><b>N<\/b><\/strong><strong><sub><b>4<\/b><\/sub><\/strong><strong><b>)<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong><b>Thermal Conductivity: <\/b><\/strong>85\u2013177 W\/m\u00b7K<\/p>\n<p><strong><b>Properties: <\/b><\/strong>High thermal conductivity with excellent thermal shock resistance. It has high mechanical strength with superior fracture toughness as compared to conventional ceramics.<\/p>\n<p><strong><b>Applications: <\/b><\/strong>Silicon nitride is used for both comprehensive mechanical properties and heat dissipation. In the field of machinery, it is utilized in the production of ceramic bearings, cutting tools, and industrial components because of its very high strength and resistance to wear. In the semiconductor industry, Si<sub>3<\/sub>N<sub>4<\/sub>\u00a0is utilized to manufacture substrates and components of processes due to its thermal conductivity and stability. For\u00a0its biocompatibility, silicon nitride is also used in the bioceramic sector to make medical implants.<\/p>\n<p><strong><b>Case: Silicon Nitride Ceramic Substrate<\/b><\/strong><\/p>\n<p>Silicon nitride ceramic substrates serve for heat dissipation for high-power LED chips. The low thermal expansion coefficient of silicon nitride aligns with that of silicon chip materials, thereby prolonging device lifespan. Substituting\u00a0traditional alumina with silicon nitride substrates greatly increases the efficiency of heat dissipation by more than 3 times. Silicon nitride one also\u00a0withstands\u00a0high-frequency thermal cycles.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Titanium_Diboride_TiB2\"><\/span><strong><b id=\"Titanium-Diboride\">Titanium Diboride (TiB<\/b><\/strong><strong><sub><b>2<\/b><\/sub><\/strong><strong><b>)<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong><b>Thermal Conductivity: <\/b><\/strong>50\u2013100 W\/m\u00b7K<\/p>\n<p><strong><b>Properties: <\/b><\/strong>High hardness, high melting point, and electrical conductivity.<\/p>\n<p><strong><b>Applications:<\/b><\/strong>\u00a0TiB<sub>2<\/sub>\u00a0has excellent electrical conductivity and wear resistance. The primary application is as a cathode coating in the aluminum electrolysis industry. It finds applications in vacuum coating due to its electrical conduction and resistance to high temperature for providing conductive evaporation boats. It is also utilized in the production of wear-resistant and corrosion-resistant components. Titanium diboride has great potential in such applications that demand both electrical conductivity and heat dissipation, such as electrolytic equipment.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Magnesium_Oxide_MgO\"><\/span><strong><b id=\"Magnesium-Oxide\">Magnesium Oxide (MgO)<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong><b>Thermal Conductivity: <\/b><\/strong>30\u201360 W\/m\u00b7K<\/p>\n<p><strong><b>Properties: <\/b><\/strong>Highly insulating with a high melting point, highly chemically stable.<\/p>\n<p><strong><b>Applications:<\/b><\/strong>\u00a0Traditionally, MgO is used as an auxiliary material in many industries like steelmaking, metallurgy and rubber. Because of its unique physical properties, nanomagnesium oxide has a wide application in some emerging fields, such as new sterilization materials, radar-absorbing materials in defense, additives and nanoceramics. Magnesium oxide is particularly suitable for medium or low-temperature industrial situations that need high insulation and good chemical stability.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Alumina_Al2O3\"><\/span><strong><b id=\"Alumina\">Alumina (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><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<figure id=\"attachment_20786\" aria-describedby=\"caption-attachment-20786\" style=\"width: 622px\" class=\"wp-caption alignnone\"><img decoding=\"async\" class=\"size-full wp-image-20786 lazyload\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/nkmceramic.com\/wp-content\/uploads\/2025\/11\/4-NKMs-Alumina-Product-Production-Workshop.jpg\" alt=\"NKM\u2019s Alumina Product Production Workshop\" width=\"622\" height=\"425\" \/><figcaption id=\"caption-attachment-20786\" class=\"wp-caption-text\"><noscript><img decoding=\"async\" class=\"size-full wp-image-20786 lazyload\" src=\"https:\/\/nkmceramic.com\/wp-content\/uploads\/2025\/11\/4-NKMs-Alumina-Product-Production-Workshop.jpg\" alt=\"NKM\u2019s Alumina Product Production Workshop\" width=\"622\" height=\"425\" \/><\/noscript> NKM\u2019s Alumina Product Production Workshop<\/figcaption><\/figure>\n<p><strong><b>Thermal Conductivity: <\/b><\/strong>25\u201337 W\/m\u00b7K<\/p>\n<p><strong><b>Properties: <\/b><\/strong>The higher the purity, the higher the thermal conductivity. It has a low production cost, mature preparation process, and is capable of mass production.<\/p>\n<p><strong><b>Applications:<\/b><\/strong>\u00a0Alumina ceramics are the most widely used and inexpensive basic high-conductivity ceramic materials. They are used for semiconductor device components and electronic parts. In industrial machinery, they are mainly used as wear-resistant parts, while in high-temperature fields, they are used as refractory and insulating materials. In the chemical and metallurgical sectors, alumina\u2019s corrosion resistance makes it ideal for the manufacture of anti-corrosion equipment.<\/p>\n<p><strong><b>Case: Alumina Electrostatic Chucks<\/b><\/strong><\/p>\n<p>The thermal conductivity of 99.8% high\u00a0purity alumina is about 30 W\/(m\u00b7K). Electrostatic chucks made of it\u00a0are employed in etching and ion implantation machines. While holding the wafer in place, they dissipate heat to maintain temperature stability. In the photolithography machines and transfer systems, thermal conductivity by the alumina parts prevents local overheating that can cause deformation of the wafers.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Zirconia_ZrO2\"><\/span><strong><b id=\"Zirconia\">Zirconia (ZrO<\/b><\/strong><strong><sub><b>2<\/b><\/sub><\/strong><strong><b>)<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<p><strong><b>Thermal Conductivity:<\/b><\/strong>\u00a02.5\u20133 W\/m\u00b7K<\/p>\n<p><strong><b>Properties: <\/b><\/strong>Extremely low thermal conductivity. It has high toughness and strength. Its unique advantage is excellent biocompatibility.<\/p>\n<p><strong><b>Applications:<\/b><\/strong>\u00a0Zirconia ceramics can be used for those applications that call for both thermal insulation and structural strength. In structural ceramics, the high strength and toughness are utilized for the manufacturing of <a href=\"https:\/\/nkmceramic.com\/zirconia-grinding-media\/\"><u>grinding media<\/u><\/a>, mechanical parts, and tools. Because of its excellent biocompatibility, zirconia finds its applications in the medical and dental fields to produce dental crowns and implants.<\/p>\n<p><strong><b>Case:<\/b><\/strong><strong><b>\u00a0Zirconia Plunger<\/b><\/strong><\/p>\n<p>Within the chemical industries, metering applications take advantage of zirconia plunger pumps. The low thermal conductivity of zirconia makes sure that friction heat does not quickly distribute within the component and, therefore, prevents localized overheating and seizing. Simultaneously, its high wear resistance ensures a long service life.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"How_to_Choose_Materials_to_Suit_My_Industrial_Manufacturing\"><\/span><strong><b id=\"How-to-Choose-Materials-to-Suit-My-Industrial-Manufacturing\">How to Choose Materials to Suit My Industrial Manufacturing?<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Because of varying equipment conditions and different performance requirements, different industries require different kinds of ceramics. Based on 14 years of industrial experience, we recommend the choice of appropriate materials for the following advice:<\/p>\n<p>The most preferred materials are <strong><b>AlN<\/b><\/strong>\u00a0and <strong><b>SiC<\/b><\/strong>\u00a0for <strong><b>the electronics and semiconductor industries<\/b><\/strong>. These meet the demanding requirements of high power, such as that used by IGBT modules and LED chips with high thermal conductivity, high insulation, and a thermal expansion coefficient compatible with silicon substrates. Aluminum Nitride prevents cracking due to thermal expansion and contraction, while Silicon Carbide is used for extreme temperature conditions, such as in photolithography machines, which ensure reliable chip operation.<\/p>\n<figure id=\"attachment_20787\" aria-describedby=\"caption-attachment-20787\" style=\"width: 622px\" class=\"wp-caption alignnone\"><img decoding=\"async\" class=\"size-full wp-image-20787 lazyload\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/nkmceramic.com\/wp-content\/uploads\/2025\/11\/5-Semiconductor-Applications-of-SiC-Ceramics.jpg\" alt=\"Semiconductor Applications of SiC Ceramics\" width=\"622\" height=\"425\" \/><figcaption id=\"caption-attachment-20787\" class=\"wp-caption-text\"><noscript><img decoding=\"async\" class=\"size-full wp-image-20787 lazyload\" src=\"https:\/\/nkmceramic.com\/wp-content\/uploads\/2025\/11\/5-Semiconductor-Applications-of-SiC-Ceramics.jpg\" alt=\"Semiconductor Applications of SiC Ceramics\" width=\"622\" height=\"425\" \/><\/noscript> Semiconductor Applications of SiC Ceramics<\/figcaption><\/figure>\n<p>In the <strong><b>New Energy Industry,<\/b><\/strong>\u00a0including but not limited to Electric Vehicles and Photovoltaics, the preferred choices are <strong><b>Si<\/b><\/strong><strong><sub><b>3<\/b><\/sub><\/strong><strong><b>N<\/b><\/strong><strong><sub><b>4<\/b><\/sub><\/strong><strong><b>\u00a0<\/b><\/strong>and <strong><b>SiC<\/b><\/strong>. The excellent thermal shock resistance of Silicon Nitride is well utilized in handling high temperatures and vibrations in automotive applications. Silicon Carbide, with its high-temperature and wear resistance, can prolong the service life of photovoltaic equipment, reducing maintenance costs.<\/p>\n<p>The focus in the <strong><b>aerospace industry<\/b><\/strong>\u00a0is on <strong><b>SiC<\/b><\/strong>\u00a0and <strong><b>Si<\/b><\/strong><strong><sub><b>3<\/b><\/sub><\/strong><strong><b>N<\/b><\/strong><strong><sub><b>4<\/b><\/sub><\/strong>. Silicon Carbide withstands the high-temperature airflow faced by an aircraft, while the wave transparency and thermal shock resistance of Silicon Nitride guarantee stability to antenna covers in complicated conditions.<\/p>\n<p>In <strong><b>high-temperature and metallurgical industries<\/b><\/strong>, the best options are <strong><b>SiC<\/b><\/strong>\u00a0and <strong><b>MgO<\/b><\/strong>. Silicon Carbide is able to bear the temperature above 1600\u2103 and resists corrosion by metals. Magnesium Oxide is chemically stable and doesn\u2019t react with liquid metals. It also prevents electrical leakages in furnaces for production safety.<\/p>\n<p>Would you like to know more about the customized high thermal conductivity ceramic solution? For the specific materials selection case in your industry, please contact <a href=\"https:\/\/nkmceramic.com\/\"><u>Newthink New Material<\/u><\/a>\u00a0for a quotation. Our engineers will provide you with the highest quality products and service. Our products will meet your needs in production in electronics, new energy, aerospace, and other industrial fields.<\/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:\/\/link.springer.com\/article\/10.1007\/s11148-010-9239-z\"><u>Akishin, G. P., Turnaev, S. K., Vaispapir, V. Y., Gorbunova, M. A., Makurin, Y. N., Kiiko, V. S., &amp; Ivanovskii, A. L. (2009). Thermal conductivity of beryllium oxide ceramic.\u00a0<\/u><em><u><i>Refractories and Industrial Ceramics<\/i><\/u><\/em><u>,\u00a0<\/u><em><u><i>50<\/i><\/u><\/em><u>(6), 465-468.<\/u><\/a><\/p>\n<p><u>[2] <\/u><a href=\"#v=onepage\"><u>Flynn, D. R. (1969). Thermal conductivity of ceramics.\u00a0<\/u><em><u><i>Mechanical and Thermal Properties of Ceramics<\/i><\/u><\/em><u>,\u00a0<\/u><em><u><i>303<\/i><\/u><\/em><u>, 63-123.<\/u><\/a><\/p>\n<p><u>[3] <\/u><a href=\"https:\/\/ceramics.onlinelibrary.wiley.com\/doi\/abs\/10.1111\/j.1151-2916.1997.tb03000.x\"><u>J<\/u><u>a<\/u><u>ckson, T. B., Virkar, A. V., More, K. L., Dinwiddie Jr, R. B., &amp; Cutler, R. A. (1997). High\u2010thermal\u2010conductivity aluminum nitride ceramics: the effect of thermodynamic, kinetic, and microstructural factors.\u00a0Journal of the American Ceramic Society,\u00a080(6),<\/u><\/a><\/p>\n<p><u>[4] <\/u><a href=\"https:\/\/www.jstage.jst.go.jp\/article\/jcersj1988\/109\/1265\/109_1265_S7\/_article\/-char\/ja\/\"><u>Watari, K. (2001). High thermal conductivity non-oxide ceramics.\u00a0<\/u><em><u><i>Journal of the Ceramic Society of Japan<\/i><\/u><\/em><u>,\u00a0<\/u><em><u><i>109<\/i><\/u><\/em><u>(1265), S7-S16.<\/u><\/a><\/p>\n<p><u>[5] <\/u><a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S0272884224055081\"><u>Yang, F., Chen, Y., Hai, W., Yan, S., Cao, T., Yuan, Z., &#8230; &amp; Li, Y. (2025). Research progress on high-thermal-conductivity silicon carbide ceramics.\u00a0<\/u><em><u><i>Ceramics International<\/i><\/u><\/em><u>,\u00a0<\/u><em><u><i>51<\/i><\/u><\/em><u>(4), 4095-4109.<\/u><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Working in industries like electronics, semiconductors or aerospace, you probably understand how equipment\u2019s thermal management efficiency can affect the performance of your products. Finding the right ceramic material can drastically bring down equipment failure rates and prolong its service life. This article will introduce ten such ceramics with high thermal [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":20948,"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-20782","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>Top 10 High Thermal Conductivity Ceramics: Property &amp; Application<\/title>\n<meta name=\"description\" content=\"Explore 10 high thermal conductivity ceramics for different industries. 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