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Factory dierect supply cubic boron nitride powder
Basic Info

Model No.: BN

Product Description







Product Description







Description:


Hexagonal Boron is a white solid material in the as produced hot pressed form. It is a low porosity solid. It is easily machined into complex shapes using standard carbide tooling. The material is anisotropic in its electrical and mechanical properties due to the platy hexagonal crystals and their orientation during the hot press consolidation.






Properties:


High thermal conductivity; Low thermal expansion; Good thermal shock resistance; High electrical resistance; Low dielectric constant and loss tangent; Microwave transparency; Non toxic; Easily machined - non abrasive and lubricious; Chemically inert; Not wet by most molten metals.






Main Applications:


Structural material in atomic reactor; spout of plane, rocket engine; High temperature solid lubricant and many kinds of parting agent of precision molding products; High temperature resistant, anticorrosive Boron Nitride and boron nitride compound ceramics; Synthesize cubic boron nitride; Compression resistant and high temperature resistant lubricating grease; All kinds of high temperature resistant, anticorrosion coating; Insulator for high pressure high frequency electricity and plasma arc; Ox dating additive for refractory materials.






Technical index

Category/Index

Item/Unit

High purity born nitride

Density

g/cm3

2.0-2.1


Physical Performance

Appearance

white/yellowish

Compression Strength kg/m

5.0

Moh's hardness

2





Thermal Performance

Thermal Conductivity

W/m.k

25°C

110

1500°C

30

Coefficient Of Thermal Expansion (Heated to 1500°C)

0.49

Working Environment Temperature

Oxidizing Atmosphere

850°C

Inertia

2500°C

vacuum

3000°C



Electrical

Functions

Volume Resistivity

25°C(Ω-cm)

>1015

Dielectric Constant 108Hz

4.0

Breakdown Voltage (Kv/mm)

2-3



Chemical Composition

B+N

99.5%

Oxygen Content

< 0.4%

Carbon Content

< 0.02%














Packaging & Shipping



Vaccum-packed in aluminium foil bag, in which is put plastic bag. Net weight 1kg a bag.









Our Services



1,Provide free sample for test and evaluation


2,Fast delivery and good customer service


3,Provide guideline and consulting service through your manufaturing process









Company Information



1,One of the largest professional chemical additive manufactures in China


2,Highest product quality,competitive price and great customer service


3,Over ten year experience of chemical additive related industry
























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Product Categories : Boron Nitride

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