Boron Nitride Composite (ZSBN) Ceramic

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ZSBN ceramic is commonly used as a separate ring for horizontal continuous casting and a nozzle made from amorphous ribbon. Heeger Materials provides Boron nitride ceramic (BN-SZ) with high quality and at a competitive price.

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Data sheet

Materials BN+SiC+ZrO2
Size Per drawing

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Boron nitride composite ceramic ZSBN, using carbide and zirconia as a bonding agent, improves the thermal shock resistance and wear resistance of the merchandise. It's commonly used as a separate ring for horizontal continuous casting and a nozzle made from amorphous ribbon. These products have stable chemical properties, high thermal shock resistance, and high corrosion resistance. they're widely utilized in molten metal contact.

  • Chemical stability
  • Good wear resistance
  • High thermal shock stability

ZSBN Ceramic Specifications 

Grade ZSBN
Compositions BN+SiC+ZrO2
Density 2.3-3.0 g/cm3
25°C Volume Resistivity >10^12 Ω·cm
Max. Service Temp. (°C) 900 (Oxygen)
1700 (Inert Gas)
1700 (High Vacuum)
Flexural Strength 100 Mpa
Compressive Strength 300 Mpa
Coefficient of Thermal Expansion (25-1000°C) 4.0 10^-6/K
Thermal Conductivity 40 W/mK

ZSBN Ceramic Applications

  • Used as a horizontal continuous casting separation ring
  • Used as metallurgical atomization and powder metallurgy atomizing nozzle
  • Used as a thin strip continuous casting side sealing board
  • Widely used in the contact of various molten metals

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