The physical properties of boron nitride materials can be enhanced by adding some other ceramics material, such as ZrO2 (BN-ZS), SiC (BN-SiC), AlN (BN-AlN), or Si3N4 (BN-Si3N4). High-purity boron nitride can withstand higher temperatures than composite/reinforced in an inert atmosphere. However, Boron Nitride Composite ceramic generally has better wear resistance and better performance in the air.

BN-ZS uses zirconium oxide as a bonding agent to improve the product’s thermal shock and wear resistance. It is often used as a separation ring for horizontal continuous casting and a nozzle made of an amorphous strip. These products have stable chemical properties, high thermal shock, and corrosion resistance. They are widely used for molten metal contact.

-Good chemical stability

-Good wear resistance

-High thermal shock stability

Boron nitride composite ceramic BN-ZS Performance

Item

Units

BN-ZS

Compositions

 

BN+ZrO2

Density

g/cm3

2.8-2.9

25°C Volume Resistivity

Ω·cm

>10-12

Max. Service Temp. (°C)

In air

1000

Inset Gas

1800

High Vacuum

1800

Flexural Strength

Mpa

115

Compressive Strength

Mpa

225

Thermal Expansion (25-1000°C)

 10–6/K

3.5

Thermal Conductivity

W/mK

20

Boron nitride composite ceramic BN-ZS application

-Insulators for high-temperature furnace

-Parts for melting metals or glass

-High-temperature support parts

-Transport pipes or nozzles for melting metal

Packing

Our Boron Nitride Ceramics BN-ZS are always carefully treated to prevent damage during storage and transportation and to maintain the quality of the product.