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Boron Carbide Powder As High Quality Abrasive Ma

Supplier From China
Apr-15-14

Application :

1) abrasive material for led , gemstone etc high hardness products ; 2)refractory additive ;
3) chemical ceramic ; 4) nozzle produce ; 5) war industry for bulletproof products.

Specification :

Main specifications:
B + c 98.59%
B 78.30%
C 18.53%
B2o3 0.31%
Free b 0.25%
Free c 1.51%
Fe 0.25
Hardness knoop (0.1) 4950 kgf/mm2
Hardness mohs 9.5
Specific gravity 2.52 g/cm3
Melting point 2450 ¡ãc


Barrel or as customer's requirement.


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Commodity: Calcium carbide
Molecular formula:CaC2
Molecule Weight: 64.10
H.S code:28491000
CAS: 75-20-7
UN NO.1402
HAZARD CLASS: 4.3

Application: It is a kind of basic material for organic synthesis, and can produce acetylene gas for cutting and welding, also be material for calcium cyanamide.

Appearance: Grey, black solid, purple when its purity is more than 90%.
Granule:4-25mm / 15-25mm / 25-50mm / 50-80mm /25-80/ 80-120mm

Package: Net in 100kg or 50kg new iron drums with nitrogen.

Specification: GB10665-2004

Specification Superfine Grade First Grade Second Grade
Gas yield(L/kg)L/kg 305 295-305 285-295
PH3 content in acetylene (PH3%) 0.06 0.08 0.08
H2S content in acetylene (H2S%) 0.1 0.1 0.1

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