Magnesia-alumina spinel refractory brick for cement rotary kiln
Negotiable /Ton
Min.Order:1 Ton
Zhengzhou Sunrise Refractory Co., Ltd.
1.Pure raw material, less impurity content; through high pressure forming and high temperature burning of brick.
2. The product has advantages of well able to bear erosion, spalling-resistance and high temperature resistant.
3. The product is widely used in transition zone of large dry-process cement rotary kiln.
ItemLabel and Standard | LMLJ-80 | LMLJ-75 | ||
Standard | Typical Value | Standard | Typical Value | |
MgO,% | ≥80 | 85.5 | ≥75 | 81.2 |
Al2O3 , % | 8~15 | 10.2 | 8~15 | 9.83 |
apparent porosity, % | ≤17(18) | 16 | ≤18(19) | 16 |
0.2MPa refractoriness under load °C | ≥1700 | 1800 | ≥1650 | 1750 |
cold crushing strength ,MPa | ≥40 | 57 | ≥40 | 68 |
thermal expansion(1100°C,cooling water),times | ≥20 | 20 | ≥5 | 16 |