PHYSICAL & CHEMICAL PROPERTIES |
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|
Unit |
ADV995 |
ADV992 |
ADV990 |
ADV850 |
AL2O3 content |
% |
99.5 |
99.2 |
99.0 |
85.0 |
Maximum temperature |
℃ |
1800 |
1800 |
1800 |
1600 |
Working temperature |
℃ |
1650 |
1620 |
1600 |
1400 |
Density |
g/cm3 |
3.90 |
3.88 |
3.85 |
3.20 |
Water absorption |
% |
<0.1 |
<0.1 |
<0.1 |
<0.2 |
Hardness (Mohs scale) |
- |
9 |
9 |
9 |
7 |
Flexural strength |
MPa |
>250 |
>250 |
>250 |
>150 |
Volume resistivity (20℃) |
Ω﹒cm |
1014 |
1014 |
1014 |
1013 |
Volume resistivity (1000℃) |
Ω﹒cm |
108 |
108 |
108 |
106 |
Colour |
|
Ivory |
Yellow |
Pink |
White |