ROHS Hardness Alumina Ceramic Products Piston Bush With Water Absorption 0
Certification:ROHS、ISO9001
ROHS Hardness Alumina Ceramic Products Piston Bush with Water Absorption 0
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) |
8.7 (220) |
|
|
Volume Resistivity |
100℃ |
ohm-cm |
> 1013 |
> 1014 |
> 1014 |
Send Inquiry to This Supplier
You May Also Like
-
Food-grade Mold Release Agent for Bakery Industry Compliant With FDA StandardsUS$ 1 - 4MOQ: 200 Kilograms
-
Cyanuric Acid 25kgNegotiableMOQ: 1 Ton
-
Honeycomb Zeolite 4a Lithium Adsorbent Desiccant Xintao Dehydration 3a Powder Molecular SieveNegotiableMOQ: 1
-
SUNRA007 Electric Passenger TricycleNegotiableMOQ: 1
-
The Machine AccessoriesNegotiableMOQ: 1
-
Disc Type Zinc Dust ChargerNegotiableMOQ: 1
-
Cosmetics Packaging BagNegotiableMOQ: 1 Metric Ton
-
Modified Starch for Paper IndustrialUS$ 630 - 650MOQ: 5 Tons
-
NA Cmc Powder Food GradeUS$ 550 - 3,690MOQ: 5 Tons
-
Diapers Baler Hydraulic Pressing Baling MachineUS$ 3,200 - 3,250MOQ: 1 Set