Introduction to the seven major uses of silicon carbide

(1) As an abrasive abrasive industry, it is widely used, mainly for primary silicon carbide particles, silicon carbide sand, and silicon carbide granular sand.

Grinding sandpaper and grinding wheel for silicon carbide abrasives and grinding and polishing materials, you can obtain high-precision grinding surfaces for fine and ultra-fine processing of various materials. SiC abrasives and abrasives can process low-tension materials such as cast iron, brass, aluminum, and magnetic head materials; processing brittle materials such as various stone, glass, ceramics, etc.; for super-hard materials such as cemented carbide, Processing of ferrite, etc.; processing of silicon semiconductor materials; processing of non-thermal conductive materials of synthetic resins.

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(2) Refractory materials Mainly primary, secondary and tertiary silicon carbide particles, silicon carbide sand, silicon carbide granular sand.

Bricks, boards and high-grade special-purpose refractory materials used under ordinary high-temperature conditions, such as slabs, boxes, containers, heating tubes, furnace tubes, clips for semiconductor processing, racks, brackets, etc.

(3) Additives for iron making and steel making (mainly 50-90% silicon carbide balls, silicon carbide particles)

When smelting cast iron, adding silicon carbide particles is beneficial to carbonization and silicidation, and improving the quality of cast iron; adding SiC as a deoxidizer during steel making helps the slag to melt. Thereby the quality of the steel casting can be further improved. Reduce production costs and increase production efficiency.

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(4) Mechanical parts with heat resistance, wear resistance and corrosion resistance (silicon carbide powder)

The most prominent use is for gas turbines and diesel engine parts, which are still under development. Others include SiC mechanical seals, various parts for the sliding part of the pump body, guide rolls for metal wire drawing, mixing tube bushings for pulverizers, grinding balls and various valve body parts, various high pressures, High temperature, nozzles that corrode liquids, etc.

(5) Electrical materials

High-temperature heating elements for high-temperature thermoelectric energy conversion, lightning arresters, relays, and SiC pressure sensors made of nonlinear conductive properties.

(6) Chemical equipment

With its high thermal conductivity, it produces various types of heat exchangers for the chemical, biological and food industries.

(7) Electronic materials (silicon carbide ultrafine powder)

Mainly used for the substrate material of integrated circuits, high power diodes.