China Suppliers Factory Low Price High Purity Silicon Carbide SiC 88% 0-10MM Granules for Refractory Applications
Product introduction
High Temperature Stability
Silicon carbide has excellent high-temperature stability and can maintain structural stability at temperatures above 2000 ℃ without melting.
Corrosion Resistance
Silicon carbide has good corrosion resistance to various chemical media, including acids, alkalis, salts, etc.
High Hardness & Wear Resistance
Silicon carbide has a hardness second to diamond and has high wear resistance, making it an ideal abrasive and cutting tool material.
Abrasive and Grinding Tools & Optoelectronic Devices
The high hardness and excellent thermal stability of silicon carbide make it an ideal abrasive and grinding tool material. It is widely used in fields such as metal processing, stone processing, glass processing, etc. Optoelectronic devices: The wide bandgap structure of silicon carbide gives it high transmittance to visible and ultraviolet light, making it suitable for the manufacturing of high-power lasers, photodiodes, photodetectors, and other optoelectronic devices.
Power Electronic Devices
The high thermal conductivity, high voltage bearing capacity, and excellent high-temperature performance of silicon carbide make it an ideal material in power electronic devices. For example, silicon carbide based diodes and transistors have higher switching speeds and lower power consumption, which can improve the efficiency and reliability of power systems.
Ceramic Materials
Silicon carbide ceramic materials have excellent heat resistance and corrosion resistance, and are widely used in the manufacture of high-temperature furnaces, corrosion-resistant pipelines, wear-resistant valves and bearings. In addition, silicon carbide ceramic materials also have good thermal stability and low thermal expansion coefficient, making them suitable for manufacturing high-precision instruments and semiconductor processing equipment.
Detailed presentation
Frequently Asked Questions
Q: What is the difference between black and green silicon carbide?
Black silicon carbide contains about 95% SiC and has higher toughness, making it ideal for processing materials with low tensile strength like glass, ceramics, and cast iron. Green silicon carbide contains over 97% SiC, has good self-sharpening properties, and is used for hard alloys, titanium alloys, and precision grinding.
Q: What are the key performance characteristics of silicon carbide?
Silicon carbide features high temperature stability (maintaining structure above 2000 ℃ without melting), excellent corrosion resistance to acids, alkalis, and salts, and high hardness and wear resistance second only to diamond.
Q: How is low-grade silicon carbide utilized?
Low-grade silicon carbide (containing approximately 85% SiC) is an excellent deoxidizer used in steelmaking to accelerate processing speed, facilitate chemical composition control, and improve overall steel quality.
Q: Why is silicon carbide preferred in power electronic devices?
Due to its high thermal conductivity, high voltage bearing capacity, and superior high-temperature performance, silicon carbide is ideal for diodes and transistors, offering higher switching speeds and lower power consumption.
Q: What applications benefit from silicon carbide ceramic materials?
Silicon carbide ceramics are widely used to manufacture high-temperature furnaces, corrosion-resistant pipelines, wear-resistant valves, bearings, high-precision instruments, and semiconductor processing equipment due to their low thermal expansion and excellent heat/corrosion resistance.