Home > Products > Aluminum Oxide Ceramic > Corrosion Resistant ROHS Hardness 85 Mechanical Aluminum Oxide Ceramic Sealing Ring
Corrosion Resistant ROHS Hardness 85 Mechanical Aluminum Oxide Ceramic Sealing Ring
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Product Details
Brand Name: | FFTC | Place of Origin: | China |
Product Description
Certification:ROHS
Corrosion Resistant ROHS Hardness ≥ 85 Mechanical Aluminum Oxide Ceramic Sealing Ring
Description:
1. Material: 95% AL2O3
2. Method of molding: Thermal casting/dry press/extrusion
3. Color:White
4. Sintering temperature: 1750℃
5. Surface finish: Ra0.4&simRa0.8&mum
6. Packing: Pack with carton and ship with wooden case
7. Produce products according to molds or drawings provided by the client and quote according the data
of the products
8. The mould fee of the non-standard products: According the quotation of product.
Applications:
Mechanical,electronics,chemical,textile,aeronautic and other fields.
Specifications:
95%,99%,99.7% Al2O3 Material Parameters:
Item |
Test Condition |
Unit Symbol |
95%Alumina ceramics |
99%Alumina ceramics |
99.7%Alumina ceramics |
The main chemical ingredient |
Al2O3 |
Al2O3 |
Al2O3 |
||
Bulk Density |
g/cm3 |
3.6 |
3.89 |
3.96 |
|
Maximum Use Temperature |
1450℃ |
1600℃ |
1650℃ |
||
Water absorption |
% |
0 |
0 |
0 |
|
ROHS Hardness |
≥85 |
≥89 |
≥89 |
||
Flexural strength |
20° C |
MPa (psi x 103) |
358 (52) |
550 |
550 |
Compressive Strength |
20° C |
MPa (psi x 103) |
2068 (300) |
2600(377) |
2600(377) |
Fracture Toughness |
K(I c) |
Mpa m1/2 |
4-5 |
5.6 |
6 |
Coefficient of thermal expansion |
25-1000° C |
1X 10-6/°C |
7.6 |
7.9 |
8.2 |
Coefficient of thermal conductivity |
20° C |
W/m °K |
16 |
30.0 |
30.4 |
Thermal Shock Resistance |
Tc |
°C |
250 |
200 |
200 |
Dielectricity constant |
1MHz.25℃ |
9 |
9.7 |
9.7 |
|
Dielectric strength |
ac-kV/mm (ac V/mil) |
8.3 (210) |
8.7 (220) |
Contact Us
- Yixing Feifan Ceramics Co.,Ltd
- Contact nameLiu Guoxiang
- Phone86-0510-87191518
- AddressJianxin Village Dingshu town Yixing city Binzhou,Shandong
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