Black Silicon Carbide containing SiC about 95%, its toughness is higher than green silicon carbide, most of the material used for processing low tensile strength of materials, such as glass, ceramics, stone, refractory, cast iron and non-ferrous metals, etc.
Green silicon carbide containing SiC is about 97% above, good self sharpening, mostly for processing hard alloy, titanium alloy and optical glass, also used for honing the cylinder and fine grinding HSS Cutting Tools. In addition to cubic silicon carbide, it is a special process for the production of yellow green crystal, with the production of the abrasive tool suitable for the bearing of ultra precision machining, also can make the surface roughness from Ra32 to 0.16 micron Ra0.04 ~ 0.02 micron.
| The Chemical Specification of Black Carbide Smelting Block |
| Range of Grit Sizes || Chemical Composition(% by weight) |
| SIC(%) || F.C(%) || Fe2O3(%) || Density(g/m3) |
| SIC98% || >98.5 || <0.2 || <0.4 || >3.4 |
| SIC97% || >97.5 || <0.3 || <0.5 || >3.3 |
| SIC90% || >90 || <2.5 || <2.0 || >3.15 |
| SIC88% || >88 || <3.0 || <2.0 || |
Transportation and package
1. Transportation and handling: During the transportation process, the silicon carbide shall not be dragged with hook, should prevent mixing with hard materials. It should be light unloading to reduce packaging crushing.
2. Storage: The silicon carbide should be stored in a cool and dry place, to prevent rupture of bags, to prevent moisture and other substances to affect the product. Storage should away from sources of pollution.
3. Non-flooding: The silicon carbide is high abrasive, so in the transportation, storage and the process, we must absolutely prevent flooding to insure the quantity of the products.
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