Higher High quality Black Silicon Carbide PowEPTAbrasive with Great Regularity
Black silicon carbide (C) is made by petroleum coke, good quality silicon sand and appended with salt in an electric arc furnace at large temperatures. The hardness and brittleness are reduce than that of environmentally friendly silicon carbide. The components are utilized to grind forged iron, non-ferrous metals, rubber, leather-based, plastic, wood, mineral rocks, and many others. It can also be utilised to manufacture higher-course refractory merchandise.
Grain Usages and Sorts | ||
Utilization | For bonded abrasives | For coated abrasives |
Variety | C | C-P |
Physical Characteristics | |||||
Item | Basic mineral | Crystal program | Crystal color | Mohs hardness |
Density |
Black silicon carbide | alpha- SiC | Hexagonal | Black | nine.fifteen | ge3.12g/cmthree |
Item | Micro hardness | Electrical resistivity |
Grinding ability(in comparison with diamond as one particular) |
Linear expansion coefficient(when 900 ordmC alpha #822610-6k-one) |
|
Black silicon carbide | HV3100-3280 | 3 times10five-three times10seven Omega #8226cm | .25 | four.four |
Chemical Composition | ||||
GB/T 2480-2008 | ||||
Kind | Grit | Chemical composition(%,by bodyweight) | ||
SiC | F.C | Fe2O3 | ||
C | F4-F90 | ge98.60 | le0.20 | le0.40 |
F100-F150 | ge98.ten | le0.twenty five | le0.50 | |
F180-F220 | ge97.twenty | le0.30 | le0.55 | |
F230-F280 | ge97.20 | le0.30 | le0.fifty five | |
F320-F500 | ge97.00 | le0.35 | le0.sixty | |
F600-F800 | ge96.fifty | le0.40 | le0.60 | |
F1000-F1200 | ge95.50 | le0.50 | le0.70 | |
C-P | P12-P100 | ge98.60 | le0.20 | le0.forty |
P120-P150 | ge98.ten | le0.25 | le0.fifty | |
P180-P220 | ge97.20 | le0.30 | le0.55 | |
P240-P360 | ge97.20 | le0.30 | le0.55 | |
P400-P1000 | ge97.00 | le0.35 | le0.sixty | |
P1200-P1500 | ge96.50 | le0.40 | le0.sixty | |
P2000-P2500 | ge95.fifty | le0.fifty | le0.70 |
Observe: Particular demands on chemical composition and other phrases can be happy by way of discussion.