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Help CenterCustomized High Electrical Insulation 99.5% Aluminum Oxide / Alumina Ceramic Lampholder
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Certification:ROHS
Customized High Electrical Insulation 99.5% Aluminum Oxide / Alumina Ceramic Lampholder
Description:
1. Material: AL2O3
2. Method of molding: Thermal casting,dry press,extrusion
3. Color: White
4. Sintering temperature: 1750
5. High dielectric strength
6. Excellent electrical resistance
7. Packing: Pack with carton and ship with wooden case
8. Produce products according to molds or drawings provided by the client and quote according the data
of the products.
9. The mold fee of the non-standard products: According the quotation of product
10. High electrical insulation
Applications:
Mechanical,electronics,chemical,textile,aeronautic and other fields.
Specifications:
99.5% Al2O3 Material Parameters:
|
Item |
Test Condition |
Unit&Symbol |
99.5%Alumina ceramics |
|
The main chemical ingredient |
Al2O3 |
||
|
Bulk Density |
g/cm3 |
3.91 |
|
|
Maximum Use Temperature |
1650℃ |
||
|
Water absorption |
% |
0 |
|
|
ROHS Hardness |
≥89 |
||
|
Flexural strength |
20° C |
MPa (psi x 103) |
550 |
|
Compressive Strength |
20° C |
MPa (psi x 103) |
2600(377) |
|
Fracture Toughness |
K(I c) |
Mpa m1/2 |
6 |
|
Coefficient of thermal expansion |
25-1000° C |
1X 10-6/°C |
8.2 |
|
Coefficient of thermal conductivity |
20° C |
W/m °K |
30.4 |
|
Thermal Shock Resistance |
Tc |
°C |
200 |
|
Dielectricity constant |
1MHz.25℃ |
9.7 |
|
|
Dielectric strength |
ac-kV/mm (ac V/mil) |
8.7 (220) |
|
|
Volume Resistivity |
100℃ |
ohm-cm |
> 1014 |
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