{"id":21711,"date":"2026-05-15T17:20:32","date_gmt":"2026-05-15T09:20:32","guid":{"rendered":"https:\/\/nkmceramic.com\/?p=21711"},"modified":"2026-05-15T17:20:32","modified_gmt":"2026-05-15T09:20:32","slug":"alumina-purities-and-uses","status":"publish","type":"post","link":"https:\/\/nkmceramic.com\/pt\/alumina-purities-and-uses\/","title":{"rendered":"Do Different Purities of Alumina Have the Same Uses?"},"content":{"rendered":"<p>Alumina ceramic is one of the most widely used technical ceramics in modern industries. It is famous for its excellent hardness, wear &amp; corrosion resistance and electrical insulation. A frequent question is whether alumina ceramics with various purities are suitable for similar applications.<\/p>\n<p>The answer is no. Purity can definitely influence the functionality of alumina ceramic. This article will illustrate different uses based on varying levels of purity grades, helping you select the best one for your projects.<\/p>\n<p><img decoding=\"async\" class=\"wp-image-21712 size-full lazyload\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/nkmceramic.com\/wp-content\/uploads\/2026\/05\/1-Do-Different-Purities-of-Alumina-Have-the-Same-Uses.png.jpg\" alt=\"Do Different Purities of Alumina Have the Same Uses\" width=\"1280\" height=\"720\" \/><noscript><img decoding=\"async\" class=\"wp-image-21712 size-full lazyload\" src=\"https:\/\/nkmceramic.com\/wp-content\/uploads\/2026\/05\/1-Do-Different-Purities-of-Alumina-Have-the-Same-Uses.png.jpg\" alt=\"Do Different Purities of Alumina Have the Same Uses\" width=\"1280\" height=\"720\" srcset=\"https:\/\/nkmceramic.com\/wp-content\/uploads\/2026\/05\/1-Do-Different-Purities-of-Alumina-Have-the-Same-Uses.png.jpg 1280w, https:\/\/nkmceramic.com\/wp-content\/uploads\/2026\/05\/1-Do-Different-Purities-of-Alumina-Have-the-Same-Uses.png-768x432.jpg 768w\" sizes=\"(max-width: 1280px) 100vw, 1280px\" \/><\/noscript><\/p>\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\/alumina-purities-and-uses\/#Aluminas_Purity_Determines_Performance_Cost\" >Alumina\u2019s Purity Determines Performance &amp; Cost<\/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\/pt\/alumina-purities-and-uses\/#Alumina_Ceramic_with_Different_Purities_Characteristics_Uses\" >Alumina Ceramic with Different Purities: Characteristics\u00a0&amp;\u00a0Uses<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/nkmceramic.com\/pt\/alumina-purities-and-uses\/#Low_Purity_92_Al2O3\" >Low Purity (92% Al2O3)<\/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\/alumina-purities-and-uses\/#Medium-Low_Purity_95_Al2O3\" >Medium-Low Purity (95% Al2O3)<\/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\/alumina-purities-and-uses\/#Medium_Purity_96_Al2O3\" >Medium Purity (96% Al2O3)<\/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\/alumina-purities-and-uses\/#High_Purity_99_Al2O3\" >High Purity (99%+\u00a0Al2O3)<\/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\/alumina-purities-and-uses\/#Ultra-High_Purity_998_Al2O3\" >Ultra-High Purity (99.8%+\u00a0Al2O3)<\/a><\/li><\/ul><\/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\/pt\/alumina-purities-and-uses\/#How_to_Choose_the_Right_Alumina_Purity\" >How to Choose the Right Alumina Purity?<\/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\/pt\/alumina-purities-and-uses\/#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\/pt\/alumina-purities-and-uses\/#Conclusion\" >Conclusion<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/nkmceramic.com\/pt\/alumina-purities-and-uses\/#Reference\" >Reference<\/a><\/li><\/ul><\/nav><\/div>\n\n<h2><span class=\"ez-toc-section\" id=\"Aluminas_Purity_Determines_Performance_Cost\"><\/span><strong><b>Alumina<\/b><\/strong><strong><b>\u2019<\/b><\/strong><strong><b>s <\/b><\/strong><strong><b>Purity Determines Performance <\/b><\/strong><strong><b>&amp; <\/b><\/strong><strong><b>Cost<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The main component of alumina ceramic is Al<sub>2<\/sub>O<sub>3<\/sub>. The higher the Al<sub>2<\/sub>O<sub>3<\/sub><sub>\u00a0<\/sub>content, the stronger the strength. Higher purities also bring a higher price. Impurities like SiO<sub>2<\/sub>\u00a0will change its mechanical, chemical, and electrical properties.<\/p>\n<p>Do not just chase the highest purity. You should balance your industrial needs and budget to choose the right purity. The following parts will show you the properties and applications of alumina ceramics with different purities. You can refer to make appropriate choices for your industry.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Alumina_Ceramic_with_Different_Purities_Characteristics_Uses\"><\/span><strong><b>Alumina Ceramic with Different Purities: Characteristics<\/b><\/strong><strong><b>\u00a0&amp;<\/b><\/strong><strong><b>\u00a0Uses<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Alumina ceramics with various purity grades have their own characteristics and industrial uses.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Low_Purity_92_Al2O3\"><\/span><strong><b>Low Purity (92% 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<p>92% alumina ceramic is the most ordinary alumina ceramic due to its moderate performance and low cost. It contains a small amount of sintering aids, which reduce the sintering temperature and control production costs.<\/p>\n<p>This grade is widely used in general industrial fields where high performance is not required. You can find it in engineering machinery, textile machinery and electronic appliances as insulating devices, grinding media, and wear-resistant linings. If your project focuses on cost control and only needs basic wear and insulation performance, 92% alumina is your go-to choice.<\/p>\n<p>In the petrochemical industry, 92% alumina ceramic balls act as catalyst supports in hydrogenation reactors. They disperse reaction media and prevent catalyst damage without adding extra cost.<\/p>\n<p>In coal handling and cement industries, it is used as wear-resistant linings to extend equipment service life.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Medium-Low_Purity_95_Al2O3\"><\/span><strong><b>Medium-Low Purity (95% <\/b><\/strong><strong><b>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<p>95% alumina ceramic has a higher density and lower porosity. It is still cost-effective but can meet higher requirements for insulation and structural stability.<\/p>\n<p>Its main uses are in electrical ceramic insulators, IC packaging and ordinary mechanical components. It can effectively prevent current leakage and withstand moderate temperatures.<\/p>\n<p>You may also use 95% alumina ceramic in simple mechanical parts that don\u2019t bear heavy loads. For example, it is ideal for small structural components in electronic devices or low-load wear parts in machinery.<\/p>\n<figure id=\"attachment_21713\" aria-describedby=\"caption-attachment-21713\" style=\"width: 1280px\" class=\"wp-caption alignnone\"><img decoding=\"async\" class=\"size-full wp-image-21713 lazyload\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/nkmceramic.com\/wp-content\/uploads\/2026\/05\/2-Alumina-Bushing-for-Applications-Require-Wear-Resistance.jpg\" alt=\"Alumina Bushing for Applications Require Wear Resistance\" width=\"1280\" height=\"720\" \/><figcaption id=\"caption-attachment-21713\" class=\"wp-caption-text\"><noscript><img decoding=\"async\" class=\"size-full wp-image-21713 lazyload\" src=\"https:\/\/nkmceramic.com\/wp-content\/uploads\/2026\/05\/2-Alumina-Bushing-for-Applications-Require-Wear-Resistance.jpg\" alt=\"Alumina Bushing for Applications Require Wear Resistance\" width=\"1280\" height=\"720\" srcset=\"https:\/\/nkmceramic.com\/wp-content\/uploads\/2026\/05\/2-Alumina-Bushing-for-Applications-Require-Wear-Resistance.jpg 1280w, https:\/\/nkmceramic.com\/wp-content\/uploads\/2026\/05\/2-Alumina-Bushing-for-Applications-Require-Wear-Resistance-768x432.jpg 768w\" sizes=\"(max-width: 1280px) 100vw, 1280px\" \/><\/noscript> Alumina Bushing for Applications Require Wear Resistance<\/figcaption><\/figure>\n<p>It balances performance and cost better than 92% grade, but doesn\u2019t add too much to your budget. If your project involves basic electrical insulation or simple mechanical structures, 95% alumina ceramic is a practical choice that won\u2019t overspend your budget.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Medium_Purity_96_Al2O3\"><\/span><strong><b>Medium Purity (96% <\/b><\/strong><strong><b>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<p>96% alumina ceramic is one of the most commonly used grades. Its performance is significantly improved with better electrical insulation, thermal conductivity, and dimensional stability.<\/p>\n<p>96% alumina ceramics are the main component used in electronic ceramic substrates. In fact, many electronic substrates are made using them. This is important as it enables thermal management and electrical insulation of power modules and integrated circuits to ensure that chips release heat and transmit signals effectively.<\/p>\n<p>It can also be used in thick film resistors and high-voltage capacitors. It has low dielectric loss, minimizing high-frequency signal attenuation, thus making it ideal for high-power electronic applications.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"High_Purity_99_Al2O3\"><\/span><strong><b>High Purity (99%<\/b><\/strong><strong><b>+<\/b><\/strong><strong><b>\u00a0<\/b><\/strong><strong><b>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<p>Alumina ceramic with a purity of 99% or higher is a high-quality material. It possesses excellent hardness and strength, highly resistant to corrosion.<\/p>\n<p>It can be employed for semiconductor devices, specifically polishing plates and components of etching chambers. This equipment requires high heat resistance, as well as withstanding plasma etching. 99% alumina ceramic handles easily.<\/p>\n<p>You can also use it in precision mechanical structure parts that require high dimensional accuracy and structural stability. In precision instruments, 99% alumina ceramic components ensure stable operation even under high loads. In chemical processing equipment, its excellent corrosion resistance makes it suitable for reactor components and seals.<\/p>\n<h3><span class=\"ez-toc-section\" id=\"Ultra-High_Purity_998_Al2O3\"><\/span><strong><b>Ultra-High Purity (99.8%<\/b><\/strong><strong><b>+<\/b><\/strong><strong><b>\u00a0<\/b><\/strong><strong><b>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<p>Ultra-high purity alumina ceramic usually indicates purities of 99.8% and above. Their performance is at the next stage. With almost no impurities, they provide exceptional plasma etching resistance, thermal stability and electrical insulation.<\/p>\n<p>As semiconductor manufacturing becomes more precise, components need to withstand harsher conditions. Ultra-high purity alumina ceramics\u2019 resistance to plasma etching ensures the long service life of semiconductor equipment parts. Using them, you can save on maintenance costs.<\/p>\n<p>You may also find it in other high-end fields such as aerospace and medical implants. For example, dental implants and joint replacements. This is because of their biocompatibility and wear resistance.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"How_to_Choose_the_Right_Alumina_Purity\"><\/span><strong><b>How to Choose the Right <\/b><\/strong><strong><b>Alumina <\/b><\/strong><strong><b>Purity<\/b><\/strong><strong><b>?<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Beyond just balancing performance and cost, your project\u2019s needs often determine alumina ceramic purity.<\/p>\n<p>For <strong><b>semiconductor equipment<\/b><\/strong>, <strong><b>high-purity (99%+)<\/b><\/strong>\u00a0or <strong><b>ultra-high-purity (99.8%+) alumina ceramic<\/b><\/strong>\u00a0is a must. Their excellent plasma etching resistance is no other grade that can replace it.<\/p>\n<p>In bulletproof applications, alumina ceramic is rarely used. Though higher purity brings higher hardness, its performance is lower than silicon carbide.<\/p>\n<p>For <strong><b>extreme temperatures<\/b><\/strong>, <strong><b>strong corrosion<\/b><\/strong>, or <strong><b>high precision<\/b><\/strong>, opt for <strong><b>higher purity<\/b><\/strong>\u00a0to ensure reliability.<\/p>\n<p><strong><b>In conclusion<\/b><\/strong>, to choose the right purity, align it with your project\u2019s requirements, performance needs and budget:<\/p>\n<p><strong><b>Low purity (92%\u201395%)<\/b><\/strong>\u00a0for cost-effective general use;<\/p>\n<p><strong><b>Medium (96%)<\/b><\/strong>\u00a0for electronic substrates;<\/p>\n<p><strong><b>High (99%+)<\/b><\/strong>\u00a0for high-end fields;<\/p>\n<p><strong><b>U<\/b><\/strong><strong><b>ltra-high<\/b><\/strong>\u00a0(99.8%+) for semiconductor equipment.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"FAQs\"><\/span><strong><b>FAQ<\/b><\/strong><strong><b>s<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>1. Besides purity, what factors also affect the performance of alumina ceramic?<\/p>\n<p>Sintering temperature, additive type (like sintering aids), and production process.<\/p>\n<p>E.g., adding zirconia can significantly improve the toughness of alumina ceramic.<\/p>\n<p>2. How to test the purity of alumina ceramic materials?<\/p>\n<p>Common testing methods are X-ray fluorescence (XRF) and chemical analysis. XRF is widely used in industrial production. It offers fast and accurate detection of Al2O3 content and impurity levels.<\/p>\n<p>3. Can low-purity alumina ceramic be used in high-temperature environments?<\/p>\n<p>Depends on the specific temperature.<\/p>\n<p>92%-95% alumina ceramic can withstand moderate temperatures (up to 1,200\u2103). For high-temperature environments above 1,600\u2103, high-purity (99%+) alumina ceramic is more suitable.<\/p>\n<p>4. Is there a way to improve the toughness of alumina ceramic?<\/p>\n<p>Yes. Common methods include zirconia toughening, whisker\/fiber toughening, and particle toughening.<\/p>\n<p>Among them, zirconia toughening is the most widely used method. It can significantly enhance the impact resistance of alumina ceramic.<\/p>\n<p>5. What is the difference between alumina and silicon carbide?<\/p>\n<p><strong><b>Alumina ceramic<\/b><\/strong>\u00a0is more cost-effective. It has better electrical insulation,suitable for electronic and general industrial fields.<\/p>\n<p><strong><b>Silicon carbide<\/b><\/strong>\u00a0possesses higher hardness and better bulletproof performance. It is preferred in high-wear and bulletproof applications.<\/p>\n<p>6. Can alumina ceramic be customized according to specific project requirements?<\/p>\n<p>Absolutely. Newthink provides customized purity, size, shape, and surface finish to match your project\u2019s needs.<\/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>Alumina ceramic performance and application scope vary greatly by purity level. Every grade is engineered to match distinct industrial working conditions and performance demands. Choosing the proper purity helps balance practical performance and project budget perfectly.<\/p>\n<p>As a professional advanced ceramics manufacturer, <a href=\"https:\/\/nkmceramic.com\/\"><u>Newthink New Materials<\/u><\/a>\u00a0offers high-quality alumina, <a href=\"https:\/\/nkmceramic.com\/silicon-carbide-ceramic\/\"><u>silicon carbide<\/u><\/a>\u00a0and zirconia products, and personalized advice for your material selection. <a href=\"https:\/\/nkmceramic.com\/contact-us\/\"><u>Contact us<\/u><\/a>\u00a0to learn about our alumina products in different purities.<\/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>[1] <a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/B9781845692049500107\"><u>Ben-Nissan, B., Choi, A. H., &amp; Cordingley, R. (2008). Alumina ceramics. In\u00a0<\/u><em><u><i>Bioceramics and their clinical applications<\/i><\/u><\/em><u>\u00a0(pp. 223-242). Woodhead Publishing.<\/u><\/a><\/p>\n<p>[2] <a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S0272884210003202\"><u>\u0106urkovi\u0107, L., Kumi\u0107, I., &amp; Grilec, K. (2011). Solid particle erosion behaviour of high purity alumina ceramics.\u00a0<\/u><em><u><i>Ceramics International<\/i><\/u><\/em><u>,\u00a0<\/u><em><u><i>37<\/i><\/u><\/em><u>(1), 29-35.<\/u><\/a><\/p>\n<p>[3] <a href=\"http:\/\/jamme.acmsse.h2.pl\/papers_vol48_1\/4814.pdf\"><u>Figiel, P., Rozmus, M., &amp; Smuk, B. (2011). Properties of alumina ceramics obtained by conventional and non-conventional methods for sintering ceramics.\u00a0<\/u><em><u><i>Journal of Achievements in Materials and Manufacturing Engineering<\/i><\/u><\/em><u>,\u00a0<\/u><em><u><i>48<\/i><\/u><\/em><u>(1), 29-34.<\/u><\/a><\/p>\n<p>[4] <a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S0167577X14022484\"><u>Qin, W., Lei, B., Peng, C., &amp; Wu, J. (2015). Corrosion resistance of ultra-high purity porous alumina ceramic support.\u00a0<\/u><em><u><i>Materials Letters<\/i><\/u><\/em><u>,\u00a0<\/u><em><u><i>144<\/i><\/u><\/em><u>, 74-77.<\/u><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Alumina ceramic is one of the most widely used technical ceramics in modern industries. It is famous for its excellent hardness, wear &amp; corrosion resistance and electrical insulation. A frequent question is whether alumina ceramics with various purities are suitable for similar applications. The answer is no. Purity can definitely [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":21712,"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-21711","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>Do Different Purities of Alumina Have the Same Uses?<\/title>\n<meta name=\"description\" content=\"Discover how different alumina ceramic purity grades, from 92% to 99.8%+, impact material performance and cost. 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