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black silicon carbideF16-220

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Delivery term: The date of payment from buyers deliver within days
seat: Beijing
Validity to: Long-term effective
Last update: 2017-12-06 15:41
Browse the number: 177
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Product details
Black silicon carbide is produced at high temperature in an electric resistance type furnace with quarts sand and petroleum coke as its main raw marterials .Its hardness is between fused alumina and synthetic diamond.Mechanical intensity of it is higher than fused alumina .It is brittle and sharp has electrical and heat conductivity in some degree.The abrasives made of it are suitable for working on cast iron,non-ferrous metal,rock, leather,rubber,etc.It is also broadly used as refractory material and metallurgical additive.
Abrasives grade
Grit size: 16#,20#,24#30#,36#,46#,54#,60#,80#,100#,120#,150#,180#,220#
Micropowder:240#,280#,320#,360#,400#,500#,600#,800#,1000#,1200#,1500#
2000#,2500#,3000#,4000#
Refractory grade:1-0mm,3-1mm,5-3mm,5-8mm -200mesh,-240mesh,-320mesh
The physical and chemical analysis
SIC MIN 98%
F.C. MAX 0.35%
Fe2O3 MAX 0.7%
Crystal system Hexagonal
Color Black
Micro Hardness HV3100-3280
Grinding ability(compared with diamond as one) 0.25
Hardness(mohs) 9.15
Ture density 3.12 g/cm3
Bulk density 1.45-1.56g/cm3

Purpose Specification Chemical Composition(%) Magnetic material content(%)max
Abrasives grade SICmin F.Cmax Fe2O3max
grain 12-80 98 0.20 0.6 0.0023
90-150 97 0.30 0.8 0.0021
180-220 97 0.30 1.2 0.0018
micropowder 240-4000 96 0.35 1.35 —
Refractory grade Group Size 0-1mm
1-3mm
3-5mm
5-8mm 97 0.35 1.35 —
Fine Powder -180mesh
-200mesh
-240mesh
-320mesh 97 0.35 1.35 —
color Black
Hardness(mohs) 9.15
Melting point(℃) 2250
Maximum service temperature(℃) 1900
Ture density(g/cm3) 3.9
Application
1. it are suitable for grinding high-speed,high carbon steel
2.high-grade refractory materials
3.abrasives tool
4.grinding and polishing
5.ceramics
6.LED
7.sandblasting
8.aviation
9.wire-electrode cutting
10.photovoltaic and solar energy
Packing
1.25kg woven bag,40 woven bags/jumbo bag.
2.25kg woven bag,40 woven bags/pallet
3.25kg paper bag,40 paper bags/pallet
4.25kg paper bag,40 paper bags/paper box
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