Max service temperature | 1200 ℃ |
Bulk density | 1000 kgs/m³ |
Compress strength | >8 Mpa |
Rupture strength | >2.5 Mpa |
Reversible thermal expansion | 11x10-6 |
Linear reheat shrinkage | <1% |
SiO2 | 48-50 % |
Al2O3 | 12-16 % |
Fe2O3 | 4-6 % |
TiO2 | 1-2 % |
MgO | 12-16 % |
CaO | 2-4 % |
K2O | 5-8 % |
Na2O | 0.2-1% |