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Products   >   Boron nitride high purity ceramic
Crucibles

Boron Nitride (BN) High Purity Ceramic Crucibles find extensive use in high-temperature applications that require exceptional thermal stability, chemical inertness, and purity.
·Melting and casting of metals and alloys
·Processing of advanced materials
·Chemical analysis
·Crystal growth

PRODUCT DESCRIPTION

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 ℃.

                                   Grade
Typical Value 

BN-HS

BN-HQ

BN-HC

Purity (%)

BN>99.7%

BN>99.3%

BN>99%

Color

White

White

White

Density (g/cm3)

1.3-1.4

1.5-1.6

1.9-2.0

Oxygen content (%)

≦0.1

≦0.1

≦0.35

Volume resistivity (Ω・cm

>1014

>1014

>1014

Operating temp
          (℃)

  Air

≦900

≦900

≦900

 Inert gas

≦2100

≦2100

≦2100

 Vacuum

≦1900

≦1900

≦1900

Bending strength (MPa)

18

30

40

Coefficient of thermal expansion (10-6/℃)

-0.4

-0.4

1.5

Thermal conductivity (W/m・K)

60

50

35

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