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INDEX | ITEMS |
M45 | |
AL2O3,% | 41-43 |
Fe2O3,% | 0.50 |
SiO2,% | 53-55 |
TiO2,% | 0.80 |
CaO,% | 0.30 |
MgO,% | 0.30 |
Na2O,% | 0.20 |
K2O,% | 1.50 |
Mullite phase,% | 55 |
Amorphous state SiO2 glass,% | 45 |
linear expansion test,(20-1000°C)/K-1 | 4.4X10-6 |
Real gravity,g/cm3 | 2.70 |
Bulk density ,g/cm3 | 2.50-2.60 |
True Porosity,% | 8 |
Hardness | 7-8 |
Refractoriness,°C | 1750/1770 |
Crystalline phase SiO2 | None |
mullite materials sintering