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Vacuum Furnace Boron Nitride BN Insulation Tubes Sleeve , And Parts

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Vacuum Furnace Boron Nitride BN Insulation Tubes Sleeve , And Parts

Country/Region china
City & Province zhengzhou henan
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Product Details

Hot-Press Boron Nitride BN Insulation Tubes, Sleeve, And Parts For Vacuum Furnace

 

Hexagonal Boron Nitride has a microstructure similar to that of Graphite. In both materials this structure, made up of layers of tiny platelets, is responsible for excellent machinability and low-friction properties. we called hexagonal boron nitride (HBN) or white graphite.

 

The main products of Boron Nitride Ceramics

Hot pressing hexagonal boron nirtride ceramic and boron nitride composite ceramic, includes:

  • Insulation tubes, sleeve, and parts for vacuum furnace
  • nozzles for amorphous soft magnetic alloy spray tapes and metal powders gas atomization
  • horizontal continuous casting separation rings/crystal tubes
  • crucibles, composite ceramic molds
  • TiB2/graphite composite ceramic cathodes for electrolytic aluminum
  • graphite/BN ceramic composite evaporator boats for vacuum evaporation and aluminum plating
  • large and medium-sized vacuum hot pressing furnaces
  • large size hot pressing molds, etc.

 

Applications of Boron Nitrides Ceramics

  • Thermal Management
    Excellent electrical insulation and thermal conductivity make BN very useful as a heat sink in high-power electronic applications. Its properties compare favorably with beryllium oxide, aluminum oxide, and other electronic packaging materials, and are easier machinable to desired shapes and sizes.
  • High Temperature Environments
    Temperature stability and excellent resistance to thermal shock make BN the ideal material in the toughest high-temperature environments such as equipment for plasma arc welding, diffusion source wafers, and semiconductor crystal growth equipment & processing.
  • Molten Metal Handling
    BN is inorganic, inert, nonreactive with halide salts and reagents, and is not wet by most molten metals and slags. These characteristics, combined with low thermal expansion, make it ideal for interface materials used in various molten metal processes.

 

Boron Nitride Nozzle Basic Information & Materials

Typical PropertiesBN-HBN99BN-CaBN-ABN-BBN-CBN-DBN-E
CompositionhBN>99%hBN>99%hBN>98.5%hBN+AL+SIhBN+AL+ZRhBN+SIChBN+ZrO2hBN+ALN
BinderB2O3B2O3B2O3B2O3+Al2O3+SiO2B2O3+Al2O3B2O3B2O3+Al2O3B2O3+Al2O3
ColorWhiteWhiteWhiteWhite GraphiteWhite GraphiteGreyish-GreenWhite GraphiteGreyish-Green
Typical Density (g/cm3)1.55~1.61.85~1.981.98~2.032.25~2.352.25~2.352.40~2.502.25~2.952.45~2.95
Thermal Properties
Max. Using Temperature (°C)
In Air
In Inert In Vacuum
900
2100
1900
900
2100
1900
900
2100
1900
1000
1750
1750
1000
1700
1700
1000
1700
1700
1000
1800
1800
1000
1800
1800
Thermal Expansion
(RT·1000
°C ) (10-6/K)
1.51.51.5222.83.52.8
Thermal Conductivity (W/mk)1535353030403085
Electrical and Mechanical Properties
Electrical Resistiity (Ω/cm)>1014>1014>1014>1013>1013>1012>1012>1013
Bending Strength (MPa)2830306565809090
Compressive Strength(MPa)505555145145175220220
Typical Applicationshigh-temperature
Vacuum
High-Temperature
Vacuum
High-Temperature
Vacuum
Powder
Metallurgy
Powder
Metallurgy
Powder
Metallurgy
Metal CastingPowder
Metallurgy
lnlustratior for High-Temperature Furnace
Crucibles for Metal Evaporation    
Parts for Melting Metals or Glass
Casting Mold for Metals or Alloys     
Support Parts for High-Temperature     
Pipes or Nozzles for Liquid Metal Handling 
Crucibles for Ceramic Sinter   

 

Hot-Press Boron Nitride BN Ceramic for Vacuum FurnaceHot-Press Boron Nitride BN Ceramic for Vacuum FurnaceHot-Press Boron Nitride BN Ceramic for Vacuum FurnaceHot-Press Boron Nitride BN Ceramic for Vacuum FurnaceHot-Press Boron Nitride BN Ceramic for Vacuum FurnaceHot-Press Boron Nitride BN Ceramic for Vacuum Furnace

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