Index | Sintered Zircon Mullite Brick | Sintered AZS Brick |
AL2O3% | 46-70 | 48-70 |
ZrO2% | 8-20 | 18-30 |
Refractoriness ℃ | 1750-1790 | 1770-1790 |
Bulk Density g/cm3 | 2.5-3.3 | 2.8-3.4 |
Apparentporosity % | 11-20 | 11-20 |
Cold Crushing Strength Mpa | 80-180 | 80-180 |
Refractoriness under Load ℃ | 1580-1650 | 1600-1680 |
Index | Compound Sillimanite Brick | Corundum-Mullite Brick |
AL2O3 % | 52-75 | 76-95 |
AL2O3+SiO2 % | >97 | >97 |
Fe2O3 % | <0.8 | <0.5 |
R2O % | <0.6 | <0.5 |
Refractoriness ℃ | >1790 | >1810 |
Bulk Density g/cm3 | 2.4-2.6 | 2.6-3.15 |
Apparentporosity % | 13-22 | 13-22 |
C.C. Strength Mpa | 60-160 | 60-160 |
T.S.R(1,000℃-Water) | >20 times | >20 times |
P.L.C(1,400℃*2h) | ±0.1 | ±0.1 |
Usage: The products can be widely used in burner block electrical-heating cover plate forehearth, material-feeder machine drag-tube machine blow-bubble machine, corundum-mullite crown brick etc. of galss industry. |