gasket of ceramic products
A1203 Ceramic physical property | |||||
Technical Parameter | unit | 95% | 99% | 99.50% | |
content of A12O3 | % | >=95 | >=99 | >=99.5 | |
Density | g/cm3 | 3.7 | 3.88 | 3.9 | |
hardness | HRA | 85 | 88 | 90 | |
Porosity Rate | % | <0.4 | <0.2 | <0.15 | |
fractural strength | Mpa | 250 | 310 | 350 | |
coefficient of hear expansion | 10-6/k | 5.5 | 5.3 | 5.2 | |
thermal conductivity | W/M.K | 27.8 | 26.7 | 26 |