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Kumthai Abrasives Co., Ltd.

Boron Carbide, Refractory, B4c manufacturer / supplier in China, offering High Quality Boron Carbide Powder (B4C), Various Models Tube Brush with DuPont Abrasives Wire (DTB), Excellent Sandblast Boron Carbide (B4C) Nozzle for Blasting and Cleaning and so on.

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Supplier Homepage Product Boron Carbide (BC) High Quality Boron Carbide Powder (B4C)

High Quality Boron Carbide Powder (B4C)

FOB Price: US $20-30 / kg
Min. Order: 1 kg
Min. Order FOB Price
1 kg US $20-30/ kg
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Production Capacity: 100000tons/Month
Transport Package: Iron Drum, Paper Drum, Paper Bag, Carton Box, etc.
Payment Terms: L/C, T/T, D/P

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Basic Info
  • Model NO.: F4-F2000
  • Usage: Polishing
  • Color: Black
  • Crystal Structure: Rhombi
  • Density: More Than 2.52g/cm3
  • Compressive: 3000-5000MPa
  • Specification: F4-F2000.
  • HS Code: 2849901000
  • Material: Polishing Powder
  • Customized: Customized
  • Crystal Color: Black
  • Mohs Hardness: 9.36
  • Flexural Strength: 300-500MPa
  • Trademark: kumthai
  • Origin: Zhengzhou, China
Product Description

Boron Carbide Powder (B4C) a black crystal powder, is one of the hardest Man-Made materials, its hardness with Mohs hardness 9.36 and microscopic hardness 5400-6300kg/mm2 is only near upon diamond, its density is 2.52g/cm3 and melting point is 2450ºC, The boron carbide possesses properties of endurance hi/low temperature, no reaction with either acids or alkalis, high grinding efficiency, no magnetism. It is a good replacement of diamond. Boron carbide also possesses the special properties of light quality, neutron absorbing, semi-conductivity, etc., so it is used for armed forces and nuclear industry.

Boron carbide is widely applied as follows: boriding refractory, ion transfusion, film layer as well as grinding, polishing, drilling hard metal alloys, jewels, etc. Meanwhile, it is main material for the wear-resisting parts, precise meter-age element, precise spray nozzle, sealed washer, smelting boron steel, boron alloy, etc.

Boron carbide has showed many better properties of physics and chemistry in the hi-science/technology field.
Physical Characteristics
ItemCrystal systemCrystal colorDensityMelting pointMohs hardnessMicro hardness
Boron carbideHexagonalBlack2.52g/cm32450ºC9.365400-6300kg/mm2
Chemical Composition
GritChemical composition(%,by weight)
Note: Special requirement on chemical composition can be satisfied through discussion.
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Ms. Amelia Liu
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