| ITEM | crown bricks | checker bricks |
| SiO2 % | ≥95 | ≥95 |
| AP, % | ≤22 | ≤23 |
| CCS, Mpa | ≥35 | ≥30 |
| Real density, g/cc | ≥2.35 | ≥2.35 |
| Creep rate under 0.2MPa,1500℃*5hrs, % | ≤0.8 | ≤0.8 |
| Thermal expension at 1000℃, % | ≤1.26 | ≤1.26 |

| ITEM | crown bricks | checker bricks |
| SiO2 % | ≥95 | ≥95 |
| AP, % | ≤22 | ≤23 |
| CCS, Mpa | ≥35 | ≥30 |
| Real density, g/cc | ≥2.35 | ≥2.35 |
| Creep rate under 0.2MPa,1500℃*5hrs, % | ≤0.8 | ≤0.8 |
| Thermal expension at 1000℃, % | ≤1.26 | ≤1.26 |
| Tel: | +86-411-62885583 |
| Email: | sales@cimmuk.com |
| Address: | 12A, Network Industry Building, No. 541 Huangpu Road, High-tech Industrial Zone, Dalian-116085, Liaoning, China. |