High Purity Silicon Carbide (SiC) Powder for Industrial and Ceramic Applications

Product Specification

High Purity Silicon Carbide (SiC) Powder for Industrial and Ceramic Applications

Introduction of Silicon Carbide Power:

Silicon carbide powder (SiC) is an abrasive material that is made by heating silicon and carbon together. It is a very hard material, with a Mohs hardness of 9, and is resistant to wear and corrosion. Silicon carbide powder is used in a variety of applications. Silicon carbide (SiC), also known as carborundum , is a hard chemical compound containing silicon and carbon. A wide bandgap semiconductor, it occurs in nature as the extremely rare mineral moissanite, but has been mass-produced as a powder and crystal since 1893 for use as an abrasive. Grains of silicon carbide can be bonded together by sintering to form very hard ceramics that are widely used in applications requiring high endurance, such as car brakes, car clutches and ceramic plates in bulletproof vests. Large single crystals of silicon carbide can be grown by the Lely method and they can be cut into gems known as synthetic moissanite.

Features and Advantages of Silicon Carbide Powder:

     Silicon carbide powder (silicon carbide, sic) is often used to make silicon carbide ceramics because of its superior properties such as high strength, high hardness, corrosion resistance, high-temperature oxidation resistance, and low thermal expansion coefficient: in electronics, aerospace, steel, automotive, and other fields. Silicon Carbide (SiC) powder offers a unique combination of hardness, heat resistance, thermal conductivity, and chemical stability.These characteristics make it a versatile and high-performance material used across abrasive, refractory, electronic, and structural applications, supporting industries that demand strength, efficiency, and durability even under extreme conditions.

Applications of Silicon Carbide Powder:

1. As an abrasive, it can be used as a grinding tool, such as grinding wheel, oilstone, grinding head, sand tile, etc

2. As a metallurgical deoxidizer and exotic material

3. High-purity single crystal, which can be used for manufacturing semiconductors and manufacturing silicon carbide fiber

4.I t can be used as a deoxidizer for steelmaking and modifier for cast iron structure, and as raw material for manufacturing silicon tetrachloride

5. It can be used as a high-temperature indirect heating material

6. Anti-wear lubricants, structural coatings, functional coatings, protective coatings, absorbing materials, stealth materials, etc. in the industrial field

7. Glass polishing, rubber tires, and other rubber products, high-performance brake pads, product anti-wear lubrication, high-hardness wear-resistant powder coatings

8. High-performance structural ceramics (such as rocket nozzles, nuclear industry, etc.), which can be used as ceramic knives, cutting tools, measuring tools, molds; special-purpose structural ceramics, functional ceramics, composite ceramics, engineering ceramics.

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Q&A:

Q: What is silicon carbide powder used for?

A: Silicon Carbide (SiC) powder is a high-performance ceramic material widely used in industrial, electronic, and engineering applications because of its exceptional hardness, thermal conductivity, and chemical stability. Its versatility allows it to function as an abrasive, structural, and electronic material across multiple industries. Silicon Carbide (SiC) powder is a multifunctional material used in abrasives, refractories, ceramics, semiconductors, and metallurgy. Its combination of hardness, heat resistance, and chemical stability makes it indispensable for high-performance and high-efficiency applications in industries such as electronics, automotive, aerospace, and energy.

Q: Why is silicon carbide so expensive?

A: Silicon carbide (SiC) is a high-performance, wide-bandgap semiconductor material — but it is much more expensive than traditional silicon due to the complexity of crystal growth, processing difficulty, and limited supply chain maturity. Silicon carbide is expensive because it is extremely hard to grow, cut, and polish, and because production yield and global supply remain limited. However, SiC’s superior efficiency, high-voltage performance, and temperature tolerance make it worth the cost for applications like electric vehicles, renewable energy, aerospace, and high-power electronics.