Zhengzhou Rongsheng Refractory Materials Co., Ltd. offers high purity black silicon carbide powder with ≥98% SiC content, featuring a hexagonal crystal structure and a Mohs hardness of 9.2. Produced through advanced high-temperature electric resistance furnace processes using refined quartz sand and petroleum coke, this powder delivers excellent thermal conductivity (71-130 W/m.K) and a low thermal expansion coefficient (3.9-4.5×10⁻⁶/°C). It withstands melting points up to 2300°C, making it ideal for demanding refractory, metallurgical, and abrasive applications. The particle size is customizable from 0 to 1mm and special mesh sizes can be provided to meet diverse processing requirements. Backed by state-of-the-art production facilities and national high-tech certifications, Rongsheng ensures consistent quality and dedicated technical support for customers worldwide, supporting high-performance refractory products and ceramic manufacturing with reliable, durable SiC powder solutions.
1. Ultra-high purity with SiC content ≥98% ensuring excellent performance and consistency.2. Exceptional Mohs hardness of 9.2 provides superior wear resistance in abrasive and refractory applications.3. Low thermal expansion coefficient minimizes thermal stress in high-temperature environments.4. High thermal conductivity enhances heat dissipation and thermal stability.5. Customizable particle sizes from 0 to 1mm accommodate various industry needs.6. Produced by advanced electric resistance furnace technology using refined raw materials.7. Certified by national high-tech standards with strong R&D and quality assurance.
Ideal for refractory materials manufacturing, metallurgical processes, abrasive products, ceramic industry components, non-ferrous metal casting, and other high-temperature applications requiring excellent thermal stability and wear resistance. Suitable for manufacturers and suppliers needing stable, high-performance silicon carbide powders to improve their product durability and efficiency.