Gold Member Since 2003
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Junty Industries Ltd.

Zirconia, Zirconium Dioxide, Valve Seat manufacturer / supplier in China, offering Zirconium Dioxide Valve Ball and Seat, Sisic Cyclone Liner, Sisic Ceramic Lined Polyurethane and so on.

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Supplier Homepage Product Zirconium Dioxide Zirconium Dioxide Valve Ball and Seat

Zirconium Dioxide Valve Ball and Seat

Purchase Qty.:
(Pieces)
1-49 50+
FOB Unit Price: US $1 US $1
Purchase Qty. (Pieces) FOB Unit Price
1-49 US $1
50+ US $1
Get Latest Price
Payment Terms: T/T, Negotiable
Basic Info
  • Origin: China
  • HS Code: 6909190000
Product Description
Zirconia Oxide(Structural ceramics) is also named engineering ceramics, has excellent wear and corrosion resistance. Good performance on hardness and strength. It can resist corrosive of many kinds acids and alkali, and has the following properties:

High strength and fracture toughness
High hardness and density
Stability, wear and corrosion resistance
Ultra-smooth surface, low friction coefficient
Modulus of elasticity and thermal expansion coefficient similar to steel.


Zirconia can be produced with Y2O3 or CEO2 as the stabilizer.

Technical data of our material is as below:
ParameterUnitZirconium Dioxide
Compositionwt%94.6%ZrO2, 5.4%Y2O3
Specific densityg/cm3≥ 5.95
Hardness(HV)GPa> 12
Thermal expansion  Coefficient(20 to 400 C)X10-6/k9.6
Elastic modulisGPa205
Fracture toughnessMPa· m1/27~10
Bending strengthMPa> 1150
Grain sizeμ m< 0.5
Thermal conductivityw/(m· k)3

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