Silicon Carbide Grains - Black

Silicon Carbide Grains – Black

* This is a 25 kg Bag price Excluding GST and Excluding Freight
* For Bulk inquiries contact our sales team on sales@pacificabrasives.com.au

Black Silicon carbide is produced from quartz sand and petroleum coke of high purity under high temperature in an electric arc furnace. Abrasive tools made of this abrasive are fit to grind metals and non-metal materials of low tensile strength. Examples include grey cast iron, brass, aluminum, stone, leather and rubber etc. This can also be used for refractory purpose or in the electronics industry.

Grains are supplied in 25kg bags only.

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Applications:

  • Grinding wheels
  • Coated tools Heating elements
  • Polishing Ceramic
  • Lapping Refractory
  • Abrasive and cutting tools
  • Structural material
  • Automobile parts
  • Electric systems
  • Electronic circuit elements
  • Power electronic devices
  • LEDs
  • Astronomy
  • Thin filament pyrometry
  • Heating elements
  • Nuclear fuel particles
  • Nuclear fuel cladding
  • Jewelry
  • Steel production
  • Catalyst support
  • Carborundum printmaking
  • Graphene production

Uses Silicon Carbide

Black Silicon Carbide is produced in an electric resistance furnace from quartz sand and petroleum coke or anthracite at high temperature. The hardness and sharp particle of this material make it suitable for manufacturing of grinding wheels, coated products, wire saws, superior refractory materials and deoxide as well as for lapping, polishing and blasting.

Crystal Form Alpha SiC Hexagonal System
Chemical nature Slight acid
Reaction with acids Very slight surface action with hydrofluoric acid
Reaction with Alkalis Attacked at high temperature by alkalis and iron oxide
Oxidation-reduction effects Starts to oxide slowly at 800°C. No reduction
True Density (g/cm3) 3.20
Hardness Knoop(kg/cm2) 2200-2500
Moh’s 9.5
Color Black
Color after firing Black
Decomposition point 2200°C
Max Usable temperature 1540oC in air
Specific heat (cal/g.°C) 0°C 500°C 1000°C
0.14 0.28 0.13
Coefficient of thermal conductivity (cal/cm2.sec.°C) 600°C 800°C 1000°C
0.080 0.061 0.0510
Electrical resistivity ( Wcm) 25°C 100°C 400°C 800°C 1400°C
50 46.4 26.6 7.8 0.65
Coefficient of liner expansion (x10-6) 25°C-500°C 25°C-1000°C 25°C-1500°C 25°C-2000°C 25°C-2500°C
4.63 5.12 5.48 5.77 5.94
Chemical Composition (% by weight)Grit sizes SiC F.C Fe2O3
12# – 90# 98.5 min 0.20 max 0.60 max
100# – 180# 98.0 min 0.30 max 0.80 max
220# – 240# 97.0 min 0.30 max 1.20 max
Sizes

BSC 12 (Code: 4012), BSC 14 (Code: 4014), BSC 16 (Code: 4016), BSC 20 (Code: 4020), BSC 24 (Code: 4024), BSC 30 (Code: 4030), BSC 36 (Code: 4036), BSC 46 (Code: 4046), BSC 60 (Code: 4060), BSC 80 (Code: 4080), BSC 90 (Code: 4090), BSC 100 (Code: 4100), BSC 120 (Code: 4120), BSC 150 (Code: 4150), BSC 180 (Code: 4180), BSC 220 (Code: 4220), BSC 240 (Code: 4240), BSC 280 (Code: 4280), BSC 320 (Code: 4320), BSC 360 (Code: 4360), BSC 400 (Code: 4400), BSC 500 (Code: 4500), BSC 600 (Code: 4600), BSC 800 (Code: 4800), BSC 1000 (Code: 41000), BSC 1200 (Code: 41200)BSC 1500 (Code: 41500)

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