Project Description

Electrical Insulation Alumina Ceramic Ring for Magnetic Pump

high temperature alumina ceramic seal ring gasket,machining tolerance range within 0.1mm and 0.01mm.

Product Serial Number:212

Features of Alumina Ceramic Ring:
1) A variety of specifications available.
 2) Satisfy various technical request
3) Lower medium spoilage
4) Good insulation performance and high temperature resistance
5) Stiffness texture
6) Used in all electric products and electric heating products

Product  Description:

High Precision Ceramic Gasket Seal Ring is widely used in the fields of industry, chemical industry, biology,semiconductor, precision machinery and high technology because of their excellent mechanical, electrical, thermal, mechanical and biochemical properties.
Alumina ceramics have a excellent properties for chemical and physical stability.
Thermal properties: High heat resistance and high thermal conductivity…
Mechanical properties: High strength and high hardness.

Product details:
Alumina ceramic Zirconia ceramic
Performance Unit 99%Al2O3 95%Al2O3 ZrO2
Density g/cm3 3.9 3.6 5.6-6.0
Vickers hardness HV 1700 1500 1100-1300
Bending strength Mpa ≥290 ≥290 500-1000
Compressive strength Mpa ≥850 ≥850 2500-3000
Fracture toughness MPa·m1/2 ≥4.8 ≥4.8 8~10
Maximum use temperature 1300-1450 1300-1450 1100-1200
Thermal Conductivity W/m.K 25 20 2.09-3
Thermal expansion coefficient m/m.K 7.2×10-6 7.2×10-6  9.6×10-6
Volume resistivity  Ω/cm2(20℃)  >1012  >1012  >1012
Dielectric constant 1MHZ(E)  9.2-10.5  9.0-10 12.5
Insulation breaking strength  KT/M  18 16 15

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