Address
304 North Cardinal St.
Dorchester Center, MA 02124
Work Hours
Monday to Friday: 7AM - 7PM
Weekend: 10AM - 5PM

Corundum-mullite bricks feature high-temperature resistance, erosion resistance, chemical corrosion resistance, high cold breaking strength, high refractoriness under load, and good thermal shock resistance.
| Item | Specification | |||
| GMZ-90 | GMZ-85 | GMZ-80 | GMZ-75 | |
| Al2O3 % | ≥90 | ≥85 | ≥80 | ≥75 |
| Fe2O3 % | ≤0.8 | ≤1.0 | ≤1.0 | ≤1.2 |
| Apparent Porosity, % | ≤16 | ≤17 | ≤18 | ≤18 |
| Bulk Density, g/cm3 | ≥3.10 | ≥2.85 | ≥2.75 | ≥2.6 |
| CCS, MPa | ≥120 | ≥100 | ≥100 | ≥80 |
| 0.2MPa RUL℃ | ≥1700 | ≥1680 | ≥1650 | |
| PLC, % 1500℃×2h | ±0.1 | ±0.2 | ||
| TSR, Cycle 1100℃ Water | ≥30 | ≥30 | ≥30 | |