Manufacture:
1. Use high-purity fused magnesia and high-quality chrome ore as raw materials,
2. Sinter by high-pressure, high temperature until melting,
Product features:
1. High cold crushing strength and bending strength, excellent thermal shock ability, perfect direct bonding;
2. Low apparent porosity, low heat conductivity;
3. Resist the spalling and erosion
.
Product application:
1. Used for the roof to all kinds of steelmaking furnace ;
2. RH, VOD, AOD, and other refining installations;
3. Building industry, glass furnace, cement rotary kiln etc.
The index:
Grade | Chemical and physical index | |||||
MgO ( %) | Cr2O3 (%) | Apparent Porosity (%) | Cold crushing strength(Mpa) | 0.2MPa the load softens the beginning temperature/℃ | Heat shock resistance | |
MGe-8 | ≥60 | ≥ 8 | ≤ 21 | ≥ 30 | ≥ 1530 | According to client's demand |
MGe-12 | ≥55 | ≥ 12 | ≤ 21 | ≥ 30 | ≥ 1550 | |
MGe-16 | ≥45 | ≥ 16 | ≤ 23 | ≥ 30 | ≥ 1550 | |
MGe-20 | ≥40 | ≥ 20 | ≤ 23 | ≥ 30 | ≥ 1550 | |
