Green Silicon Carbide 400#600#800#1000#Silicon Carbide Powder
Green Silicon Carbide (SiC) is a high-purity, synthetic abrasive material produced in an electric resistance furnace using silica sand and petroleum coke as raw materials, with the addition of salt. It is a harder and more brittle variant compared to black silicon carbide.
Key Properties:
Hardness: ~9.5 on the Mohs scale (harder than black SiC and aluminum oxide)
Purity: Higher than black SiC (≥97% SiC)
Crystal Structure: Sharp, angular grains
Thermal Conductivity: High
Chemical Resistance: Excellent against acids and alkalis
Fracture Toughness: Lower than black SiC, making it sharper but more brittle
Applications:
Abrasive Tools:
Used in grinding wheels, sandpaper, and abrasive blasting for hard materials like carbide, ceramics, and glass.
Lapping & Polishing:
Ideal for precision finishing of tungsten carbide, titanium, and optical lenses.
Refractory Materials:
Added to high-performance refractories for improved thermal shock resistance.
Semiconductor & Electronics:
Used in wafer grinding and as a substrate material for high-power electronics.
Wire Sawing:
Employed in cutting silicon wafers and photovoltaic cells.
Anti-Slip & Coatings:
Added to paints and coatings for slip resistance.
Advantages Over Black Silicon Carbide:
Higher purity and sharper grains → better cutting performance.
More efficient for precision grinding of hard, brittle materials.
Less iron contamination, making it suitable for semiconductor applications.
Disadvantages:
More expensive than black SiC due to higher purity requirements.
More brittle, leading to faster wear in some applications.
Would you like details on a specific application or comparison with other abrasives?
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