Type | Condition | Performance | Performance | Performance |
Main Components | Normal Temperature | BN≥99.5% | BN≥99.3% | BN≥98.5% |
Agglutinant | Normal Temperature | B2O3 | B2O3 | B2O3 |
Bulk Density g/cm3 | Normal Temperature | 1.6-1.7 | 1.85-1.98 | 1.98-2.03 |
(℃) Air condition Inert gas Vacuum condition (long time) | 900 2100 1900 | 900 2100 1900 | 900 2100 1900 | |
Bending Strength Mpa | Normal Temperature | 25 | 30 | 30 |
Compressive Strength Mpa | Normal Temperature | 50 | 55 | 55 |
Thermal Expansion Coefficient 10-6/K | 20-1000℃ | 1.5 | 1.5 | 1.5 |
Thermal Conductivity W/(㎡·K) | 20-1000℃ | 40 | 45 | 50 |
Resistivity Ω. m | Normal Temperature | >1014 | >1014 | >1014 |