{"id":21470,"date":"2026-04-08T16:58:26","date_gmt":"2026-04-08T08:58:26","guid":{"rendered":"https:\/\/nkmceramic.com\/?p=21470"},"modified":"2026-04-08T16:58:26","modified_gmt":"2026-04-08T08:58:26","slug":"rbsic-vs-pssic","status":"publish","type":"post","link":"https:\/\/nkmceramic.com\/ar\/rbsic-vs-pssic\/","title":{"rendered":"RBSiC and PSSiC: Which is More Suitable for Your Industry?"},"content":{"rendered":"<p>Silicon carbide is widely used in many high-end industries, such as metallurgy, chemical engineering, and semiconductor manufacturing. It possesses excellent mechanical, thermal, and chemical properties. Reaction Bonded SiC (RBSiC) and Pressureless Sintered SiC (PSSiC) are 2 types of them. They have different performances and applications because of different preparation processes.<\/p>\n<p>This article will introduce the properties, applications, and practical cases of RBSiC and PSSiC to help you decide which one is suitable for your industrial production and how to choose.<\/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\/ar\/rbsic-vs-pssic\/#What_is_Reaction_Bonded_Silicon_Carbide_RBSiC\" >What is Reaction Bonded Silicon Carbide (RBSiC)?<\/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\/rbsic-vs-pssic\/#What_is_Pressureless_Sintered_Silicon_Carbide_PSSiC\" >What is Pressureless Sintered Silicon Carbide (PSSiC)?<\/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\/rbsic-vs-pssic\/#Differences_Between_RBSiC_and_PSSiC\" >Differences Between RBSiC and PSSiC<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/nkmceramic.com\/ar\/rbsic-vs-pssic\/#Which_Industries_Typically_Use_RBSiC\" >Which Industries Typically Use RBSiC?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/nkmceramic.com\/ar\/rbsic-vs-pssic\/#Which_Industries_Typically_Use_PSSiC\" >Which Industries Typically Use PSSiC?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/nkmceramic.com\/ar\/rbsic-vs-pssic\/#RBSiC_vs_PSSiC_How_to_Choose_the_Right_One\" >RBSiC vs. PSSiC: How to Choose the Right One?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/nkmceramic.com\/ar\/rbsic-vs-pssic\/#Operating_Temperature\" >Operating Temperature<\/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\/ar\/rbsic-vs-pssic\/#Corrosion_Intensity\" >Corrosion Intensity<\/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\/ar\/rbsic-vs-pssic\/#Cost_Considerations\" >Cost Considerations<\/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\/ar\/rbsic-vs-pssic\/#Forming_Requirements\" >Forming Requirements<\/a><\/li><\/ul><\/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\/ar\/rbsic-vs-pssic\/#Practical_Cases\" >Practical Cases<\/a><\/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\/ar\/rbsic-vs-pssic\/#Conclusion\" >Conclusion<\/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\/ar\/rbsic-vs-pssic\/#FAQs\" >FAQs<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-14\" href=\"https:\/\/nkmceramic.com\/ar\/rbsic-vs-pssic\/#Reference\" >Reference<\/a><\/li><\/ul><\/nav><\/div>\n\n<h2><span class=\"ez-toc-section\" id=\"What_is_Reaction_Bonded_Silicon_Carbide_RBSiC\"><\/span><strong><b>What is Reaction Bonded Silicon Carbide (RBSiC)?<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>RBSiC, also called SiSiC, is a process for SiC ceramics. In this preparation process, liquid silicon infiltrates into carbon to form SiC crystals at 1500-1800\u2103 under a protective atmosphere.<\/p>\n<figure id=\"attachment_21471\" aria-describedby=\"caption-attachment-21471\" style=\"width: 1280px\" class=\"wp-caption alignnone\"><img decoding=\"async\" class=\"size-full wp-image-21471 lazyload\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/nkmceramic.com\/wp-content\/uploads\/2026\/04\/1-Process-Flow-of-Reaction-Bonded-Silicon-Carbide.jpg\" alt=\"Process Flow of Reaction Bonded Silicon Carbide\" width=\"1280\" height=\"720\" \/><figcaption id=\"caption-attachment-21471\" class=\"wp-caption-text\"><noscript><img decoding=\"async\" class=\"size-full wp-image-21471 lazyload\" src=\"https:\/\/nkmceramic.com\/wp-content\/uploads\/2026\/04\/1-Process-Flow-of-Reaction-Bonded-Silicon-Carbide.jpg\" alt=\"Process Flow of Reaction Bonded Silicon Carbide\" width=\"1280\" height=\"720\" srcset=\"https:\/\/nkmceramic.com\/wp-content\/uploads\/2026\/04\/1-Process-Flow-of-Reaction-Bonded-Silicon-Carbide.jpg 1280w, https:\/\/nkmceramic.com\/wp-content\/uploads\/2026\/04\/1-Process-Flow-of-Reaction-Bonded-Silicon-Carbide-768x432.jpg 768w\" sizes=\"(max-width: 1280px) 100vw, 1280px\" \/><\/noscript> Process Flow of Reaction Bonded Silicon Carbide<\/figcaption><\/figure>\n<p>The characteristics of RBSiC include:<\/p>\n<ul>\n<li><b><\/b><strong><b>High Hardness<\/b><\/strong><\/li>\n<li><b><\/b><strong><b>High-Temperature Resistance<\/b><\/strong><\/li>\n<li><b><\/b><strong><b>Thermal Stability<\/b><\/strong><\/li>\n<li><b><\/b><strong><b>Corrosion Resistance<\/b><\/strong><\/li>\n<\/ul>\n<p>RBSiC is widely used in many industrial fields, such as:<\/p>\n<p><strong><b>High-Temperature Metallurgy and Kiln.<\/b><\/strong>\u00a0RBSiC is applied for producing <a href=\"https:\/\/nkmceramic.com\/silicon-carbide-kiln-shelves\/\"><u>kiln furniture<\/u><\/a>\u00a0and furnace <a href=\"https:\/\/nkmceramic.com\/silicon-carbide-lining\/\"><u>linings<\/u><\/a>\u00a0that withstand high temperatures and corrosion. Using RBSiC products can extend the service life of equipment.<\/p>\n<p><strong><b>Mechanical Field.<\/b><\/strong>\u00a0RBSiC can be employed as mechanical <a href=\"https:\/\/nkmceramic.com\/silicon-carbide-seal-ring\/\"><u>seals<\/u><\/a>. Its stable performance ensures the normal and efficient operation of equipment.<\/p>\n<p>Read more: <a href=\"https:\/\/nkmceramic.com\/what-is-rbsic\/\"><u>What is RBSiC?<\/u><u>\u00a0Everything You Need to Know About It<\/u><\/a><\/p>\n<h2><span class=\"ez-toc-section\" id=\"What_is_Pressureless_Sintered_Silicon_Carbide_PSSiC\"><\/span><strong><b>What is Pressureless Sintered Silicon Carbide (PSSiC)?<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>PSSiC is also a SiC ceramic preparation process. This method uses high-purity SiC powder combined with sintering additives. Without external pressure, the process is conducted at high temperatures of 1900-2200\u2103.<\/p>\n<figure id=\"attachment_21472\" aria-describedby=\"caption-attachment-21472\" style=\"width: 1280px\" class=\"wp-caption alignnone\"><img decoding=\"async\" class=\"size-full wp-image-21472 lazyload\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/nkmceramic.com\/wp-content\/uploads\/2026\/04\/2-Process-Flow-of-Pressureless-Sintered-Silicon-Carbide.jpg\" alt=\"Process Flow of Pressureless Sintered Silicon Carbide\" width=\"1280\" height=\"720\" \/><figcaption id=\"caption-attachment-21472\" class=\"wp-caption-text\"><noscript><img decoding=\"async\" class=\"size-full wp-image-21472 lazyload\" src=\"https:\/\/nkmceramic.com\/wp-content\/uploads\/2026\/04\/2-Process-Flow-of-Pressureless-Sintered-Silicon-Carbide.jpg\" alt=\"Process Flow of Pressureless Sintered Silicon Carbide\" width=\"1280\" height=\"720\" srcset=\"https:\/\/nkmceramic.com\/wp-content\/uploads\/2026\/04\/2-Process-Flow-of-Pressureless-Sintered-Silicon-Carbide.jpg 1280w, https:\/\/nkmceramic.com\/wp-content\/uploads\/2026\/04\/2-Process-Flow-of-Pressureless-Sintered-Silicon-Carbide-768x432.jpg 768w\" sizes=\"(max-width: 1280px) 100vw, 1280px\" \/><\/noscript> Process Flow of Pressureless Sintered Silicon Carbide<\/figcaption><\/figure>\n<p>The characteristics of PSSiC include:<\/p>\n<ul>\n<li><b><\/b><strong><b>Extremely High Density<\/b><\/strong><\/li>\n<li><b><\/b><strong><b>Superior Corrosion Resistance<\/b><\/strong><\/li>\n<li><b><\/b><strong><b>Excellent Mechanical Properties<\/b><\/strong><\/li>\n<li><b><\/b><strong><b>Wide Temperature Adaptability<\/b><\/strong><\/li>\n<\/ul>\n<p>PSSiC is mainly applied in high-end industries, suitable for harsh operating conditions. For example:<\/p>\n<p><strong><b>Chemical Industry. <\/b><\/strong>PSSiC is used to manufacture reactor <a href=\"https:\/\/nkmceramic.com\/silicon-carbide-lining\/\"><u>linings<\/u><\/a>, corrosion-resistant piping, and <a href=\"https:\/\/nkmceramic.com\/silicon-carbide-heat-exchanger\/\"><u>heat exchangers<\/u><\/a>. PSSiC products are preferred for highly corrosive environments.<\/p>\n<p><strong><b>Semiconductor Manufacturing.<\/b><\/strong>\u00a0PSSiC can be used to manufacture semiconductor wafer processing components like end <a href=\"https:\/\/nkmceramic.com\/silicon-carbide-parts\/\"><u>effectors<\/u><\/a>\u00a0and <a href=\"https:\/\/nkmceramic.com\/silicon-carbide-parts\/\"><u>chucks<\/u><\/a>, meeting the requirements of high precision and purity.<\/p>\n<p>Read more: <a href=\"https:\/\/nkmceramic.com\/what-is-pssic\/\"><u>What is PSSiC? Definition, Properties, and Applications<\/u><\/a><\/p>\n<h2><span class=\"ez-toc-section\" id=\"Differences_Between_RBSiC_and_PSSiC\"><\/span><strong><b>Differences Between RBSiC and PSSiC<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>To present the differences between RBSiC and PSSiC clearly, the table below provides a detailed comparison of the two materials.<\/p>\n<table>\n<tbody>\n<tr>\n<td width=\"132\"><strong><b>Item<\/b><\/strong><\/td>\n<td width=\"216\"><strong><b>RBSiC<\/b><\/strong><\/td>\n<td width=\"213\"><strong><b>PSSiC<\/b><\/strong><\/td>\n<\/tr>\n<tr>\n<td width=\"132\"><strong><b>Material Composition<\/b><\/strong><\/td>\n<td width=\"216\">Silicon Carbide<\/p>\n<p>7\u201315% Free Silicon<\/p>\n<p>Small amount of unreacted carbon<\/td>\n<td width=\"213\">High-purity Silicon Carbide<\/p>\n<p>Almost no free silicon<\/td>\n<\/tr>\n<tr>\n<td width=\"132\"><strong><b>Density<\/b><\/strong><\/td>\n<td width=\"216\">2.9-3.1 g\/cm\u00b3<\/p>\n<p>A\u00a0small amount of micropores<\/td>\n<td width=\"213\">&gt; 3.1 g\/cm\u00b3<\/p>\n<p>nearly fully dense<\/p>\n<p>Porosity &lt; 0.5%<\/td>\n<\/tr>\n<tr>\n<td width=\"132\"><strong><b>High-Temperature Resistance<\/b><\/strong><\/td>\n<td width=\"216\">Long-term service temperature 1400-1600\u2103<\/td>\n<td width=\"213\">Long-term service temperature \u2264 1200\u2103<\/td>\n<\/tr>\n<tr>\n<td width=\"132\"><strong><b>Corrosion Resistance<\/b><\/strong><\/td>\n<td width=\"216\">Withstand most acid and alkali media<\/p>\n<p>Not resistant to strong oxidizing agents<\/td>\n<td width=\"213\">Withstands all types of strong acids, strong alkalis, and organic solvents<\/td>\n<\/tr>\n<tr>\n<td width=\"132\"><strong><b>Mechanical Properties<\/b><\/strong><\/td>\n<td width=\"216\">High hardness<\/p>\n<p>High strength<\/p>\n<p>Flexural strength 300-500 MPa<\/td>\n<td width=\"213\">Higher strength<\/p>\n<p>High toughness<\/p>\n<p>Flexural strength 450-550 MPa<\/td>\n<\/tr>\n<tr>\n<td width=\"132\"><strong><b>Production Cost<\/b><\/strong><\/td>\n<td width=\"216\">Lower<\/td>\n<td width=\"213\">Higher<\/td>\n<\/tr>\n<tr>\n<td width=\"132\"><strong><b>Forming Difficulty<\/b><\/strong><\/td>\n<td width=\"216\">Lower<\/p>\n<p>Producing large-scale and complex-shaped products<\/td>\n<td width=\"213\">Higher<\/p>\n<p>Suitable for precision, small-scale, high-performance\u00a0products<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><span class=\"ez-toc-section\" id=\"Which_Industries_Typically_Use_RBSiC\"><\/span><strong><b>Which Industries Typically Use RBSiC?<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>RBSiC is a suitable choice for industries mainly with high-temperature and wear operating conditions. In metallurgy, ceramic kilns, or the photovoltaic industry, RBSiC will be the most suitable for you.<\/p>\n<p>RBSiC is widely used for high-temperature <a href=\"https:\/\/nkmceramic.com\/silicon-carbide-lining\/\"><u>furnace linings<\/u><\/a>\u00a0and casting molds in <strong><b>metallurgy<\/b><\/strong>. Its high-temperature resistance of up to 1600\u2103 can effectively resist molten metal erosion. Using RBSiC products can extend the service life of your furnace, reducing the need for equipment replacement.<\/p>\n<p><a href=\"https:\/\/nkmceramic.com\/silicon-carbide-kiln-shelves\/\"><strong><u><b>Kiln furniture<\/b><\/u><\/strong><\/a><strong><b>\u00a0and <\/b><\/strong><a href=\"https:\/\/nkmceramic.com\/silicon-carbide-roller\/\"><strong><u><b>rollers<\/b><\/u><\/strong><\/a>\u00a0made of RBSiC possess excellent thermal shock stability. Even subjected to rapid temperature changes, they maintain stable structures. Using RBSiC products will reduce downtimes due to damaged kiln furniture, lowering energy consumption.<\/p>\n<p>In the <strong><b>mining and machinery industries<\/b><\/strong>, pipe linings, <a href=\"https:\/\/nkmceramic.com\/silicon-carbide-seal-ring\/\"><u>mechanical seals<\/u><\/a>, and <a href=\"https:\/\/nkmceramic.com\/silicon-carbide-bearing\/\"><u>bearings<\/u><\/a>\u00a0made of RBSiC can withstand severe wear conditions, significantly extending the service life of components.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Which_Industries_Typically_Use_PSSiC\"><\/span><strong><b>Which Industries Typically Use PSSiC?<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>PSSiC is primarily applied in high-end industries where operating conditions are severe. These fields usually have strict requirements on material performance. If you are engaged in fine chemicals, defense, or semiconductor manufacturing, PSSiC can perfectly solve your issues.<\/p>\n<p>In the <strong><b>chemical industry<\/b><\/strong>, PSSiC is used to fabricate reactor linings, corrosion-resistant piping, and <a href=\"https:\/\/nkmceramic.com\/silicon-carbide-heat-exchanger\/\"><u>heat exchangers<\/u><\/a>. These products can withstand highly corrosive concentrated nitric acid and hydrofluoric acid. Even under severe corrosive conditions, they can operate stably for at least 5 years, far exceeding metallic materials.<\/p>\n<p>PSSiC has wide applications in the <strong><b>defense and military fields<\/b><\/strong>. Because of its high-temperature resistance, corrosion resistance, and high-strength, PSSiC can be used to manufacture aero-engine components and <a href=\"https:\/\/nkmceramic.com\/silicon-carbide-armor\/\"><u>specialized protective equipment<\/u><\/a>. They ensure the long-term stable operation and the safety of personnel.<\/p>\n<p><a href=\"https:\/\/nkmceramic.com\/silicon-carbide-parts\/\"><u>Wafer processing com<\/u><u>ponents<\/u><\/a>\u00a0made of PSSiC feature high purity and high precision. They meet the strict requirements for the control of impurity in <strong><b>semiconductor manufacturing<\/b><\/strong>.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"RBSiC_vs_PSSiC_How_to_Choose_the_Right_One\"><\/span><strong><b>RBSiC vs. PSSiC: How to Choose the Right One?<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>RBSiC or PSSiC? Based on your production needs, you can make the choice by evaluating the following 4 dimensions.<\/p>\n<ol>\n<li>\n<h3><span class=\"ez-toc-section\" id=\"Operating_Temperature\"><\/span><strong><b> Operating Temperature<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<\/li>\n<\/ol>\n<p>If the equipment operates in high temperatures above 1400\u2103 \u2192 <strong><b>RBSiC<\/b><\/strong>\u00a0should be your choice.<\/p>\n<p>If the operating temperature is below 1200\u2103 \u2192 <strong><b>PSSiC<\/b><\/strong>\u00a0is more suitable.<\/p>\n<ol start=\"2\">\n<li>\n<h3><span class=\"ez-toc-section\" id=\"Corrosion_Intensity\"><\/span><strong><b> Corrosion Intensity<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<\/li>\n<\/ol>\n<p>For common acids and alkalis, where the conditions are mainly wear and high temperatures \u2192 <strong><b>RBSiC<\/b><\/strong>\u00a0can meet the requirements.<\/p>\n<p>Highly corrosive media, or applications requiring extremely high purity of the medium \u2192 Choose <strong><b>PSSiC<\/b><\/strong>.<\/p>\n<ol start=\"3\">\n<li>\n<h3><span class=\"ez-toc-section\" id=\"Cost_Considerations\"><\/span><strong><b> Cost Considerations<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<\/li>\n<\/ol>\n<p>For large production scales with strict cost control \u2192<strong><b>\u00a0RBSiC<\/b><\/strong>\u00a0offers better cost-effectiveness.<\/p>\n<p>In high-end fields where equipment lifespan and operational stability are important\u2192 <strong><b>PSSiC<\/b><\/strong>\u00a0is more cost-effective.<\/p>\n<ol start=\"4\">\n<li>\n<h3><span class=\"ez-toc-section\" id=\"Forming_Requirements\"><\/span><strong><b> Forming Requirements<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h3>\n<\/li>\n<\/ol>\n<p>If you need large-scale or complex-shaped products \u2192 <strong><b>RBSiC<\/b><\/strong>\u00a0has lower forming difficulty.<\/p>\n<p>If you need precision, small-scale, high-performance products \u2192 <strong><b>PSSiC<\/b><\/strong>\u00a0provides higher density and precision.<\/p>\n<h2><span class=\"ez-toc-section\" id=\"Practical_Cases\"><\/span><strong><b>Practical Cases<\/b><\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>An <strong><b>enterprise involved in metallurgy and fine chemicals<\/b><\/strong>\u00a0selected RBSiC and PSSiC materials based on their operating conditions.<\/p>\n<p><strong><b>Metallurgy Workshop<\/b><\/strong><\/p>\n<p>The enterprise\u2019s metallurgy workshop mainly produces specialty steel. It uses high-temperature electric arc furnaces. The company used traditional refractory materials as furnace linings before. Replacement was required nearly every three months, bringing high maintenance costs and frequent interruptions.<\/p>\n<p>After using RBSiC furnace linings, the service life of the linings extended to <strong><b>over 12 months<\/b><\/strong>. Annual maintenance costs were <strong><b>reduced by 60%<\/b><\/strong>, and production continuity improved significantly. Moreover, the generation of refractory waste was minimized, achieving both energy savings and consumption reduction.<\/p>\n<p><strong><b>Fine Chemicals Workshop<\/b><\/strong><\/p>\n<p>The enterprise\u2019s fine chemicals workshop mainly produces pesticide intermediates. This process involves highly corrosive media. Titanium alloy heat exchangers would experience corrosion leaks within 3 to 6 months. Maintenance costs reached as high as $300,000 every year. It also presents a major safety hazard.<\/p>\n<p>The company replaced these with PSSiC heat exchangers. The equipment has been operating stably for <strong><b>3 years<\/b><\/strong>\u00a0since the replacement, and maintenance costs every year have <strong><b>dropped below $100,000<\/b><\/strong>, completely resolving the issue of corrosion leakage.<\/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>If you find highly cost-effective items in high-temperature and wear-resistant applications, <strong><b>RBSiC<\/b><\/strong>\u00a0will be your optimal choice. If your operations involve strong corrosion and high precision, <strong><b>PSSiC<\/b><\/strong>\u00a0provides a reliable guarantee. Selecting one based on your practical needs can significantly enhance your production efficiency and reduce costs.<\/p>\n<p>Want to buy silicon carbide products? With 14 years of experience in the production and export of silicon carbide ceramics, <a href=\"https:\/\/nkmceramic.com\/\"><u>Newthink<\/u><\/a>\u00a0can help you quickly match the most suitable products for your needs. <a href=\"https:\/\/nkmceramic.com\/contact-us\/\"><u>Contact us<\/u><\/a>\u00a0to receive the latest quotation.<\/p>\n<p>Thanks for your reading. Hope this article will be helpful.<\/p>\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><strong><b> What is SiSiC material?<\/b><\/strong><\/li>\n<\/ol>\n<p>SiSiC is another name for RBSiC. It is a process to form dense silicon carbide crystals.<\/p>\n<ol start=\"2\">\n<li><strong><b> RBSiC or PSSiC, which is better for high-temperature applications?<\/b><\/strong><\/li>\n<\/ol>\n<p>RBSiC is better. It can withstand long-term temperatures up to 1600\u2103, while PSSiC is below 1200\u2103.<\/p>\n<ol start=\"3\">\n<li><strong><b> Is PSSiC suitable for strong corrosion environments?<\/b><\/strong><\/li>\n<\/ol>\n<p>Yes. It resists strong acids, alkalis, and organic solvents, and outperforms metal materials.<\/p>\n<ol start=\"4\">\n<li><strong><b> How to choose between RBSiC and PSSiC?<\/b><\/strong><\/li>\n<\/ol>\n<p>Evaluate temperature, corrosion intensity, cost, and shape. Choose RBSiC for high heat, PSSiC for high purity and extreme chemical resistance.<\/p>\n<ol start=\"5\">\n<li><strong><b> What are the advantages of PSSiC?<\/b><\/strong><\/li>\n<\/ol>\n<p>PSSiC offers extremely high density and corrosion resistance. It provides higher strength and high-precision finishes.<\/p>\n<ol start=\"6\">\n<li><strong><b> Which is more cost-effective, RBSiC or PSSiC?<\/b><\/strong><\/li>\n<\/ol>\n<p>RBSiC has lower production costs for large scales. PSSiC is more cost-effective in high-end 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>[1] <a href=\"https:\/\/link.springer.com\/article\/10.1007\/s11148-024-00842-4\"><u>Belyakov, A. N., Markov, M. A., Dyuskina, D. A., Bykova, A. D., Chekuryaev, A. G., &amp; Kashtanov, A. D. (2023). A comparative study of methods for obtaining silicon carbide ceramic materials.\u00a0<\/u><em><u><i>Refractories and Industrial Ceramics<\/i><\/u><\/em><u>,\u00a0<\/u><em><u><i>64<\/i><\/u><\/em><u>(3), 299-310.<\/u><\/a><\/p>\n<p>[2] <a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/0272884294900426\"><u>Chakrabarti, O. P., Ghosh, S., &amp; Mukerji, J. (1994). Influence of grain size, free silicon content and temperature on the strength and toughness of reaction-bonded silicon carbide.\u00a0<\/u><em><u><i>Ceramics International<\/i><\/u><\/em><u>,\u00a0<\/u><em><u><i>20<\/i><\/u><\/em><u>(5), 283-286.<\/u><\/a><\/p>\n<p>[3] <a href=\"https:\/\/www.sciencedirect.com\/science\/article\/pii\/S0955221914003343\"><u>Magnani, G., Sico, G., Brentari, A., &amp; Fabbri, P. (2014). Solid-state pressureless sintering of silicon carbide below 2000 C.\u00a0<\/u><em><u><i>Journal of the European Ceramic Society<\/i><\/u><\/em><u>,\u00a0<\/u><em><u><i>34<\/i><\/u><\/em><u>(15), 4095-4098.<\/u><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Silicon carbide is widely used in many high-end industries, such as metallurgy, chemical engineering, and semiconductor manufacturing. It possesses excellent mechanical, thermal, and chemical properties. Reaction Bonded SiC (RBSiC) and Pressureless Sintered SiC (PSSiC) are 2 types of them. They have different performances and applications because of different preparation processes. [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":21471,"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-21470","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>RBSiC and PSSiC: Which is More Suitable for Your Industry?<\/title>\n<meta name=\"description\" content=\"Comparing RBSiC vs. PSSiC for your industrial needs? 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