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Help CenterLapping Paste Coarse Silicone Carbide Green or Black Powder
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Lapping paste coarse silicone carbide green or black powder
Green Silicon Carbide abrasives is an extremely hard (Knoop 2600 or Mohs 9.4) man made mineral that possesses high thermal conductivity (100 W/m-K).
Green Silicon carbide also has high strength at elevated temperatures (at 1000°C,Green Silicon carbide is 7.5 times stronger than Al2O3).
Green Silicon carbide has a modulus of elasticity of 410 GPa, with no decrease in strength up to 1600°C;
Green Silicon carbide does not melt at normal pressures but instead dissociates at 2815.5°C.
Green Silicon carbide is an entirely new batch composition made from Silica sand and coke, and is extremely pure.
Green Silicon carbide can be manufactured in many complex bonded shapes, which are utilized for superrefractory purposes.
Green Silicon carbide is also ideal for a wide variety of abrasive applications.
Green silicon carbide Physical and Chemical Composition
Physical Properties | |
Hardness: Knoop |
2600 |
Hardness: Mohs |
9.4 min |
Melting Point |
4712°F (2600°C) |
Thermal Conductivity* |
210 btu/hr/ft2/in/°F at 400 °F |
Specific Gravity |
3.2 g/cm3 |
Particle Shape |
Blocky, Sharp |
Color |
Green |
Typical Chemical Analysis | |
Total SiC |
99.05% |
Total SiO2 |
0.2% |
Total Si |
0.03% |
Total Fe |
0.04% |
Total C |
0.1% |
Black silicon carbide is made from quartz sand and smokeless acetylene as the mainraw material.it is made via light resistance from hydrometallurgical,it is black opaque body hexagonal crystal and MOHS -hardness in the 9.15,which is after diamond and boron carbide with crisp and sharp performance and certain degree of conductive heat
The physical and chemical analysis:
Model:F#220 | |||
Chemical compositions |
Physical properties |
||
Items |
Value of specification (%) |
Items |
Property |
SIC |
98.5min |
Color |
Black |
Melting point |
2600°C |
||
F.C |
0.20max
|
Hardness |
9.5 |
Bulk density |
≥1.38g/cm3 |
||
Fe2O3 |
0.20max |
Real density |
3.20~3.25g/cm3 min |
Usage |
1,Grinding wheels 2,Electrical 3,Coated tools 4,Heating elements 5,Polishing 6,Ceramic 7,Lapping 8, Refractory |
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