Andalusite refractory brick
Andalusite refractory brick Low creep High refractoriness under load
High compression strength Good thermal shock resistance
High compression strength Good thermal shock resistance
Description
Andalusite refractory brick
Low creep
High refractoriness under load
High compression strength
Good thermal shock resistance
Andalusite refractory brick
Low creep, High refractoriness under load, High compression strength, Good thermal shock resistance...
Item: | HB | HD | HS | DE | |||
Al2O3 % | ≥65 | ≥53 | ≥57 | ≥55 | |||
Fe2O3 % | ≤0.8 | ≤1.0 | ≤0.8 | ||||
TiO2 % | ≤0.5 | ≤0.6 | ≤0.5 | ||||
K2O+Na2O % | ≤0.6 | ≤1.2 | ≤0.6 | ≤1.2 | ≤0.6 | ≤1.2 | ≤1.0 |
Impurity % | ≤0.7 | ≤0.7 | ≤0.7 | ||||
Apparent porosity | ≤20 | ≤20 | ≤20 | ≤24 | |||
Bulk density g/cm³ | ≥2.45 | ≥2.35 | ≥2.40 | ≥2.40 | |||
Cold crushing strength MPa: | ≥50 | ≥40 | ≥40 | ≥40 | |||
Modulus of rupture MPa: | ≥18 | ≥15 | |||||
Refractoriness under load | T0.5≥1520 | T0.5≥1350 | T0.5≥1470 | T2≥1580 | |||
T2≥1630 | T2≥1490 | T2≥1580 | |||||
Creep% (0.2Mpa×50h) | 1500×(2050)h | 1350×(2050)h | 1400×(2050)h | 1450×(2050)h | |||
≤0.2 | ≤0.2 | ≤0.2 | ≤0.2 | ||||
Permanent linear change % | 1500×4h | 1400×4h | 1500 | ||||
±0.2 | ±0.2 |