The andalusite refractory brick produced by our company is a special product made by the high-pressure molding and high-temperature firing with South African fine andalusite as the main raw material. The product has excellent high temperature creep and thermal shock performance, which is the preferred brick to fire wall with brick and connect brick carbon furnace.
| Item | Index |
| Al2O3 | ≥60% |
| Fe2O3 | ≤1.4% |
| CaO+MgO | ≤0.5% |
| Na2O+K2O | ≤0.6% |
| BD | ≥2.55g/cm3 |
| AP | ≤17% |
| CCS | ≥60Mpa |
| RUL (0.2Mpa 0.6%) | ≥1600℃ |
| CS(1280℃, 0.2Mpa, 25h) | 0.30% |
| MOR(1200℃) | ≥14Mpa |
| MOR(1350℃) | ≥7Mpa |
| COTE(20℃--1000℃) | ≥0.58% |
| TSR(1000℃) | ≥30 times |
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