Черный карбид кремния f24 драгоценный камень

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Brief introduction of china 98% black silicon carbide F24 SIC

 

Black Silicon Carbide F24 is produced in a high temperature electric resistance-type furnace from a mixture of quartz sand and petroleum coke.

The hardness of black silicon carbide is greater than fused alumina but less than synthetic diamond.

Black silicon carbide's mechancial intensity is greater than fused alumina, but brittle and sharp.

Black silicon carbide has some electrical and heat conductivity.

 

Applications of  china 98% black silicon carbide SIC

 

Bonded abrasive tool

Coated abrasive tool

Reusable abrasive

Grinding,lapping & polishing medium

Resin/Ceramic grinding wheels & grinding media

 

Typical Physical Properties of china 98% black silicon carbide F24 SIC

 

Color	black
Hardness	9.2 mohs
Grain shape	Angular
Melting Point	2100 C min
True density	3.20-3.25g/cm3
Bulk density	1.2-1.6g/cm3(depends on the size)

 

Typical Chemical Analysis of  china 98% black silicon carbide SIC

 

SIC	99.15%
Fe	0.08%
Fe2O3	0.13%

  

Typical Size of china 98% black silicon carbide SIC 

 

F-macrogrits sizes bonded
Grit designation	Mean diameter in um
F4	4890
F5	4125
F6	3460
F7	2900
F8	2460
F10	2085
F12	1765
F14	1470
F16	1230
F20	1040
F22	885
F24	745
F30	625
F36	525
F40	438
F46	370
F54	310
F60	260
F70	218
F80	185
F90	154
F100	129
F120	109
F150	82
F180	69
F220	58

 

MICROGRITS
Grit designation	Mean grain size ds50-value in μm
F 230	53.0 ± 3
F 240	44.5 ± 2
F 280	36.5 ± 1.5
F 320	29.2 ± 1.5
F 360	22.8 ± 1.5
F 400	17.3 ± 1
F 500	12.8 ± 1
F 600	9.3 ± 1
F 800	6.5 ± 1
F 1000	4.5 ± 0.8
F 1200	3.0 ± 0.5
F 1500	2.0 ± 0.4
F 2000	1.2 ± 0.3
F 3000	0.8±0.2