Black Silicon Carbide Powder
Shape:Lump/Powder Shape
Silicon Carbide Powder For Refractory
Description
ZhenAn International Co., Limited is one of the most reliable manufacturers and suppliers of black silicon carbide powder in China. With abundant experience, we warmly welcome you to wholesale discount black silicon carbide powder in stock here from our factory. Quality products and reasonable price are available.
Description
There are two commonly used basic varieties of silicon carbide: black silicon carbide and green silicon carbide, both of which belong to α-SiC.
Black silicon carbide contains about 95% 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, refractory materials, cast iron and non-ferrous metals.
Green silicon carbide contains more than 97% SiC and has good self-sharpening properties. It is mostly used for processing cemented carbide, titanium alloy and optical glass. It is also used for honing cylinder liners and precision grinding of high-speed steel tools.
Specification
|
Categories |
Black Silicon Carbide |
Green Silicon Carbide |
||||
|
Particle size range |
Chemical content(%) |
|||||
|
SiC |
F.C |
Fe2O3 |
SiC |
F.C |
Fe2O3 |
|
|
16~90#/20~90# |
≥98.50 |
≤0.02 |
≤0.60 |
≥99.0 |
≤0.20 |
≤0.20 |
|
100~180# |
≥98.50 |
≤0.30 |
≤0.8 |
≥0.30 |
≤0.25 |
≤0.50 |
|
220~240# |
≥98.00 |
≤0.30 |
≤1.20 |
≥0.30 |
≤0.25 |
≤0.70 |
In addition, there is cubic silicon carbide, which is a yellow-green crystal produced by a special process. The abrasive tools used to make it are suitable for ultra-finishing of bearings, and can make the surface roughness from Ra32 ~ 0.16 microns to Ra0.04 ~ 0.02 micron.
Silicon carbide is an inorganic substance with the chemical formula SiC. It is smelted at high temperature in a resistance furnace using raw materials such as quartz sand, petroleum coke (or coal coke), and wood chips (salt is required when producing green silicon carbide).
Silicon carbide also exists in nature as a rare mineral, moissanite. Among non-oxide high-tech refractory raw materials such as C, N, and B, silicon carbide is the most widely used and economical one, and can be called emery sand or refractory sand. Silicon carbide produced industrially in China is divided into black silicon carbide and green silicon carbide, both of which are hexagonal crystals with a specific gravity of 3.20 to 3.25 and a microhardness of 2840 to 3320kg/mm2.
FAQ
Q: Can we visit your company?
A: Sure, Our factory is at the foot of Songshan Mountain, the scenery is unique,welcome at any time,seeing is believing.
Q: Do you accept OEM?
A: Yes, we accept OEM. This is our specialty.
Q: How about your company's certification?
A: ISO9001 and Test Report,also we could apply other necessary certification.
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