.

Black Silicon Carbide

Black silicon carbide is made of quartz sand and petroleum coke as the main raw materials, and is smelted at high temperature in a resistance furnace. It is black crystal, brittle and sharp, and has certain thermal and electrical conductivity.

Black Silicon Carbide PowderSpecifications

Chemical Composition (%)

Grit

Sic

Fe2O3

F12-F90

≥98.50

<0.20

≤0.60

F100-F150

≥98.00

<0.30

≤0.80

F180-F220

≥97.00

<0.30

≤1.20

F230-F400

≥96.00

<0.40

≤1.20

F500-F800

≥95.00

<0.40

≤1.20

F1000-F1200

≥93.00

<0.50

≤1.20

P12-P90

≥98.50

<0.20

≤0.60

P100-P150

≥98.00

<0.30

≤0.80

P180-P220

≥97.00

<0.30

≤1.20

P230-P500

≥96.00

<0.40

≤1.20

P600-P1500

≥95.00

<0.40

≤1.20

P2000-P2500

≥93.00

<0.50

≤1.20

Physical Index

Grits

Bulk Densityg/cm3

High Densityg/cm3

Grits

Bulk Densityg/cm3

High Densityg/cm3

F16 ~ F24

≥1.50

F100

≥1.45

F30 ~ F40

≥1.50

F120

≥1.43

F46 ~ F54

≥1.51

F150

≥1.41

F60 ~ F70

≥1.48

F180

≥1.40

F80

≥1.46

F220

≥1.40

F90

≥1.45

Black Silicon Carbide Powder Typical Physical Properties

Microscopic Shape

The microscopic shape of silicon carbide black series is hexagonal crystal, the Mohs hardness of silicon carbide is 9.3.

Micro-density Hardness

The micro-density hardness is 2940--3300 kg/mm2, and the Knoop hardness is 2670-2815 kg/mm2, which is higher than corundum and second only to diamond in abrasives, cubic boron nitride and boron carbide.

Density

The density of black silicon carbide is generally considered to be 3.20-3.25 g/cm3.

Natural Bulk Density

The natural bulk density of silicon carbide abrasives is between 1.2--1.6 g/cm3, and the specific gravity is 3.20-3.25 g/cm3.

As one of the black silicon carbide manufacturers, we havehigh-quality black silicon carbide for sale. Welcome to contact us if needed.

There are many abrasive material suppliers, but we are one of the best choices for you.



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