Ceramic roller main physical and chemical properties
|
Units |
|
ZD90 |
ZD65 |
ZD60 |
|
Aluminum oxide content |
% |
75-77 |
72-75 |
72-75 |
|
Density |
g/cm3 |
2.6-2.7 |
2.5-2.6 |
2.4-2.5 |
|
Water absorption |
% |
6-7 |
7-8 |
8-9 |
|
Bending strength |
MPa |
60-70 |
55-60 |
50-55 |
|
Coefficient of thermal expansion (20-1000℃) |
1/k |
6*10-6 |
6*10-6 |
6.2*10-6 |
|
Young’s modulus of elasticity |
GPa |
95 |
80 |
70 |
|
Limit the use of |
℃ |
1350 |
1300 |
1300 |
|
Anti-temperature change of |
|
GOOD |
GOOD |
GOOD |
|
straightness |
mm |
≤0.07% |
≤0.07% |
≤0.07% |
More physical data from laboratory test samples. These figures only in the actual use of the reference products of different sizes. |
