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Products   >   Boron nitride compound ceramic
Coating Crucibles

Performance

1. Independently developed new formula products in order to solve the problems of sputtering pot and nickel and copper corrosion.
2. Adopt advanced formulation technology, optimize components, have good chemical stability and stable resistivity.
3. Good oxidation resistance, resistant to aluminum, nickel, copper and gold corrosion.
4. The maximum using temperature is 1800 ℃.

PRODUCT DESCRIPTION

1.Powder Metallurgy

2.Metal Casting

3.Insulators for High Temperature Furnace

4.Crucibles for Metal Evaporation

5.Parts for Melting Metals or Glass

6.Casting Molds for Metal or Alloy

7.High Temperature Support Parts

8.Transport Pipes or Nozzles for Melting Metal  

 

           Grade
Typical Value 

BN-B

BN-C

BN-D

BN-E

Purity (%)

BN+Zr+Al

BN+SiC

BN+Zr

BN+AlN

Color

Gray white

Gray green

Gray white

Gray green

Density (g/cm3)

2.25-2.35

2.40-2.50

2.80-2.90

2.80-2.95

Oxygen content (%)

Volume resistivity (Ω・cm

>1013

>1012

>1012

>1013

Operating temp
(℃)

  Air

≦1000

≦1000

≦1000

≦1000

 Inert gas

≦1750

≦1750

≦1800

≦1800

 Vacuum

≦1750

≦1750

≦1800

≦1800

Bending strength (MPa)

65

80

90

90

Coefficient of thermal expansion (10-6/℃)

2.0

2.8

3.0

2.8

Thermal conductivity (W/m・K)

30

40

30

85

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