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  • 商品名称: 镁铝砖
  • 商品编号: 05
  • 上架时间: 2012-06-26
  • 浏览次数: 222

 Mg-Al brick industry with a small amount of magnesia and alumina or bauxite as raw firing from a basic refractories. Better thermal stability than the brick, refractoriness above 1580 ℃. The ability of alkaline slag erosion. Mainly used for open-hearth and electric furnace steel roof, high-temperature tunnel kiln, a large cement kiln and non-ferrous smelting furnace.

Item MgO-Al2O3 MgO-Al2O3 MgO-Al2O3 MgO-Al2O3
ML-80A ML-80B MLG-90 ML-90 ML-85 MLQ-90
MgO(%)≥ 80 80 85-90 90 85 90-80
Al2O3 (%) 5-10 5-10 6-8 4-8 4-8 9-18
Apparent porosity(%)≤
Apparent porosity
18 20 18 18 19 17
Cold crushing strength (Mpa) ≥
Cold crushing strength
39.2 29.4 50 45 40 40
0.2 Mpa load softening starting point ℃≥
0.2 Mpa refractoriness under load
1600 1580 1650 1680 1630 1620
Thermal shock resistance(Time)≥
Thermal Shock Resistance
3 3 3 3 3 10