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Help CenterEnvironment-friendly Yellow 95%, 99%, 99.7% Aluminum Oxide / Alumina Ceramic Parts
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Certification:ROHS、ISO9001
Environment-friendly Yellow 95%, 99%, 99.7% Aluminum Oxide / Alumina Ceramic Parts
Description:
1.This type of ceramic products is green and environment-friendly. It has no environment-harmful
materials.
2. Material: 95% AL2O3
3. Method of molding: Thermal casting/dry press/extrusion
4. Color:yellow
5. Sintering temperature: 1750℃
6. Surface finish: Ra0.4&simRa0.8&mum
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 mould fee of the non-standard products: According the quotation of product.
Applications:
The enterprises of electricity, steel, smelt, mechanism, colliery, mine, chemical, cement, oil field, will choose
the different products according to their special requirements for the wearable mechanical instruments that
works in the system of coal transfer, material transfer, milling, dust removing and so on.
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 |
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