Abrasive grain Black carborundum 60 mesh

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
1 m.t.
Supply Capability:
2000 m.t./month
Option:
F24-F220
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Item specifice:

Mohs hardness: 9.2 Bulk density(LPD): 1.2-1.6g/cm3 Specific Gravity: 3.2-3.45 g/cm3

Product Description:

Abrasive grain Black carborundum 60 mesh

Black Silicon carbide Grain is an extremely hard and 99% SiC carborundum grit. As an abrasive material, it can work well for abrasive blasting, surface treatment, grinding on hard material such as marble, glass, jade, etc.

 

Silicon Carbide is produced by a process involving the electrochemical reaction of silica(SiO2)-in the form of quartz mixed with Carbon(C) in the form of raw petroleum coke. The stoichiometric mixture is reacted in an electrical resistance furnace at a temperature up to 2500 centigrade to yield high-quality crystals. The process is large furnace technology with a graphite electrode in the furnace center.  The large crystals are then segregated, crushed, cleaned of magnetic impurities in high-intensity magnetic separators, and classified into narrow size fractions to suit the end-use. Dedicated lines produce products for different applications.

 

Properties:

 

1.      High hardness and good grinding ability

2.      low density

3.      low thermal expansion, oxidation resistance

4.      excellent chemical resistance

5.      high thermal shock resistance

6.      high wear and hardness resistance

7.      high strength, high temperature resistance

8.      high temperature strength

 

 

Applications:

Blasting, surface Treatment, Rust Removal

Polishing and deburring

Grinding wheels

Wear resistance parts

 

 

TYPICAL CHEMICAL ANALYSIS

SiC

98%

SiO2

1%

H2O3

0.5%

Fe2O3

0.3%

F.C

0.3%

Magnetic content

0.02%



TYPICAL PHYSICAL PROPERTIES

Hardness:

Mohs:9.2

Melting Point:

dissociated at about 2300 °C

Maximum service temperature:

1900

Specific Gravity:

3.2-3.45 g/cm3

Bulk density(LPD):

1.2-1.6 g/cm3

Color:

Black

Particle shape:

Hexagonal

Modulus of Elasticity

58-65x106 psi

Coefficient of Thermal Expansion

3.9-4.5 x10-6/

Thermal Conductivity

71-130 W/MK

 

AVAILABLE SIZES

F-macrogrits sizes bonded

Grit designation

Mean diameter in um

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

 Abrasive grain Black carborundum 60 mesh


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