Henan E-Grind Abrasives Co., Ltd.
Henan E-Grind Abrasives Co., Ltd.

Is the Diamond Grit the Same as the Grinding Powder?

Diamond grit and silicon carbide are synonyms. Silicon carbide has two basic varieties, black silicon carbide and green silicon carbide, which belong to alpha-SiC.

(1) Black silicon carbide contains about 98.5% SiC, and its toughness is higher than green silicon carbide. It is mostly used to process materials with low tensile strength, such as glass, ceramics, stone, refractories, cast iron and non-ferrous metals.

(2) Green silicon carbide contains more than 99% SiC and has good self-sharpening. It is mostly used for processing cemented carbide, titanium alloy and optical glass, honing cylinder liner and precision grinding high-speed steel tools.

In addition, there is cubic silicon carbide, which is a yellow-green crystal made by a special process.

Abrasives made by this process are suitable for ultra-finishing of bearings. The surface roughness can be processed from Ra32-0.16 micron to Ra0.04-0.02 micron at one time. Silicon carbide has many other uses besides abrasive because of its stable chemical properties, high thermal conductivity, low thermal expansion coefficient and good wear resistance.

For example, coating silicon carbide powder on the inner wall of turbine impeller or cylinder block by special technology can improve its wear resistance and prolong its service life by 1-2 times. The high-grade refractory made of it has the advantages of heat shock resistance, small volume, light weight, high strength and good energy saving effect. Low grade silicon carbide (containing about 85% SiC) is an excellent deoxidizer. It can accelerate steelmaking speed, control chemical composition and improve the quality of steel. In addition, silicon carbide is also widely used in the manufacture of silicon-carbon rods for electrothermal components.

E-Grind specializes in the sale of synthetic diamond grit. We hope you will give us your support and help. We sincerely cooperate and strive for the continuous development of our common interests and goals.

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