Periclase-hercynite Refractory Brick
This product is produced by our company in accordance with the requirements for the use of cement kiln firing belts, combined with more than 40 years of professional service experience for cement kilns, using high-purity microcrystalline low silicon magnesium sand unique to PuNai Group as the main raw material, adding composite additives, and undergoing high-pressure molding and special sintering processes. It has independent intellectual property rights (patent number: ZL 2011 1 0452288.2).
-
Thermal shock resistance
-
Erosion resistance
-
Hanging kiln skin
Product Introduction
This product is produced by our company in accordance with the requirements for the use of cement kiln firing belts, combined with more than 40 years of professional service experience for cement kilns, using high-purity microcrystalline low silicon magnesium sand unique to PuNai Group as the main raw material, adding composite additives, and undergoing high-pressure molding and special sintering processes. It has independent intellectual property rights (patent number: ZL 2011 1 0452288.2).
Product Specifications
| Index | HWMTL-A | HWMTL-B | HWMTL-C |
| MgO（%） ≥ | 87 | 85 | 82 |
| Al2O3（%） ≥ | 3~5 | 4 | 10 |
| Fe2O3（%） | 4~6 | ≥ 4 | 2~4 |
| Apparent Porosity（%） ≤ | 17 | 18 | 18 |
| Bulk Density（g/cm3） ≥ | 2.98 | 2.95 | 2.9 |
| Cold Compressive Strength（MPa） ≥ | 70 | 50 | 50 |
| 0.2MPa Refractoriness Under Load（T0.6 ℃) ≥ | 1700 | 1650 | 1680 |
| Thermal Shock Resistance（1100℃ Cycle） ≥ | 8 | 6 | 6 |
| Thermal Expansion Rate（1450℃)（%） ≤ | 1.8 | 1.8 | 1.8 |
| Thermal Conductivity（350±25℃) [ W/（m · K）] ≤ | 3.5 | 3.5 | 3.8 |
- Grade:
- HWMTL-A
- HWMTL-B
- HWMTL-C
