Beijing, China
Business Type:
Number of Employees:
Year of Establishment:
Management System Certification:
Average Lead Time:
Peak season lead time: one month
Off season lead time: one month
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Seal, Seal Face, Seal Material manufacturer / supplier in China, offering Aluminium Oxide (Al2O3) Parts and Components, Tungsten Carbide (TC) /Silicon Carbide (SIC) Parts, Tungsten Carbide Pump Mechanical Seal Faces and so on.

Gold Member Since 2003
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Aluminium Oxide (Al2O3) Parts and Components

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Purchase Qty. / Reference FOB Price
1-99 Pieces US $2
100+ Pieces US $1
Port: Beijing, China
Transport Package: Carton Package
Payment Terms: T/T
Structure: Double-End
Pressure: High Pressure Mechanical Seals
Speed: High-Speed Mechanical Seal
Temperature: High Temperature Mechanical Seal
Performance: Corrosion
Standard: Nonstandard

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Basic Info

Balance: Balanced
Style: Mechanical Seal
Material: Ceramic
Shape (for Gasket): Ring
Function: Shaft Sealing
Application: Pump Seal
Origin: China
HS Code: 8484200090

Product Description

Alumina is historically the most cost effective and widely used engineering ceramic. It has a good combination of properties:
- Good hardness and wear resistance
- High strength and stiffness
- Good thermal stability
- Almost chemically inert

Alumina can be produced in purity ranges from 95%, up to 99.5% (available in ivory color), for various applications.

Technical data of our material is as below:
ParameterUnit99.5% Al2O399% Al2O3
Densityg/cm 33.93.88
HardnessRockwellHRA 86HRA 85
Compressive StrengthMPa21002000
psi304, 500290, 000
Flexural StrengthMPa350310
psi51, 00045, 000
Elastic Modulus GPa360330
psi52 x 10 648 x 10 6
Thermal ConductivityW / m K2926
Coefficient of
Thermal Expansion
1 x 10 -6 / K8.28.2

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