Beijing, China
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Peak season lead time: one month
Off season lead time: one month
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Zirconia, Zirconium Dioxide, Valve Seat manufacturer / supplier in China, offering Zirconium Dioxide Valve Ball and Seat, Sic Seal Rings for Burgmann, Sic Seal Rings for John Crane and so on.

Gold Member Since 2003
Audited Supplier

Zirconium Dioxide Valve Ball and Seat

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Purchase Qty. / Reference FOB Price
1-49 Pieces US $1
50+ Pieces US $1
Payment Terms: T/T, Negotiable
Origin: China

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Basic Info

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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