China H62 Andalusite Precast Shaped, Find details about China Mullite Precast Shaped, Alumina Precast Shaped from H62 Andalusite Precast Shaped
Product Index | H55 | H62 | H65 | |
Chemical analysis | Al2O3% | ≥ 55 | ≥ 62 | ≥ 65 |
Fe2O3 % | ≤ 1.2 | ≤ 1.2 | ≤ 1.2 | |
Physical properties | Bulk density (g/cm3) | ≥ 2.45 | ≥ 2.5 | ≥ 2.5 |
Apparent porosity (%) | ≤ 17 | ≤ 17 | ≤ 17 | |
Cold crashing strength (Mpa) | ≥ 60 | ≥ 60 | ≥ 60 | |
Refractoriness under load(° C) | ≥ 1600 | ≥ 1650 | ≥ 1680 | |
Thermal shock resistance | Good | Better | Better | |
Thermal expansion coefficient(1000° C) | ≤ 0.55 | ≤ 0.55 | ≤ 0.55 | |
Creep resistance 20-50h, (%) | 1350° C < 0.2 | 1400° C < 0.2 | 1450° C < 0.2 |