
Types Of Refractory Bricks Mullite-Sillimanite Brick For The Key
Parts Of The Furnace
Quick Detail:
1. good refractory properties;
2. good stability against thermal shocking;
3. use high quality raw material;
Description:
Mullite-Sillimanite bricks are made from good quality and superpure
raw materials, with strictly classified fillings according to their
grades. These fillings can form a uniform pore structure after
burnt during the process of manufacture. Each grade of products has
unique design to meet different thermal, physical and chemical
demands.
Applications:
Mullite-Sillimanite bricks primarily used for the key parts of the furnace of glass furnace,
alkali-free glass fiber furnace, blast furnace hot blast stove,
refractory-material tunnel kiln, etc.
Specifications:
Physical and chemical index:
Item | LSM-75 | LSM-70 | LS-65 | LS-60 |
Al2O3 % ≥ | 75 | 70 | 65 | 60 |
SiO2 % ≤ | 23 | 25 | 32 | 37 |
Fe2O3 % ≤ | 0.4 | 0.4 | 0.5 | 1 |
Bulk density g/cm3 ≥ | 2.7 | 2.6 | 2.5 | 2.3 |
Apparent porosity % ≤ | 18 | 18 | 18 | 19 |
Cold crushing strength MPa ≥ | 100 | 100 | 80 | 80 |
Refractoriness under load °C (0.2MPa,0.6%)≥ | 1680 | 1680 | 1650 | 1600 |
Competitive Advantage:
Zhengzhou Rongsheng Refractory Co., Ltd.
Our company can provide not only the domestic and foreign customers excellent quality of high-temperature thermal insulation material, but also the first-rate service including professional furnace lining design, installation supervision, engineering construction etc.
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