| Brand Name: | HB |
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| Model Number: | HB |
| Material: | Alumina Ceramic |
| Application: | Industrial Ceramic |
| Type: | Ceramic Rings |
| Place of Origin: | China (Mainland) |
Quick Details
Specifications
seal ring ceramics , Industial ceramic ring
Material: 95~99.5% alumina;
Size: various kinds or specification;
Feature: resistance to abrasion, high mechanical strength, close tolerance control, high temperature resistance and electrical insulating;
Application: auto cooling pump mechanical seal, automobile air, compress mechanical seal and industry pump seal;
We has built a comprehensive quality and reliability assurance and control systems into our processes and services from technology development to production.
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95%,96%,99% alumina ceramic |
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Major components |
95% 96%.99 Al2O3 |
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Density |
g/cm3 |
3.6 |
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Material properties |
Water absorption |
% |
O |
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Sintering temperature |
°C |
1600-1800 |
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Physical properties |
Hardness |
HV |
1500 |
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Flexural strength |
Kgf/cm2 |
3000 |
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Compressive strength |
Kgf/cm2 |
25000 |
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Fracture toughness |
Map.m3/2 |
3-4 |
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Maximum temperature |
°C |
1800 |
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Thermal properties |
Coefficient of thermal expansion |
/°C |
8*10-6 |
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Heat shock |
T(°C) |
220 |
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Thermal conductivity |
W/m.k(25-300°C) |
25 14 |
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20°C |
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>1012 |
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Volume resistivity |
100°C |
>.cm |
1012-1013 |
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Electrical Characteristics |
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300°C |
>1010 |
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Insulation breakdown strength |
KV/mm |
18 |
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dielectric constant |
100MHz(E) |
9.5 |
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