1,Description: the fused casting mullite brick, also known as iron brick or black iron brick, is a weak acid refractory, and the mineral phase is mainly mullite phase, accounting for about 70%. The product uses high quality mullite clinker as raw material, melts in 2000 ℃ electric arc furnace at high temperature, and then casts into the model for molding. The product must be heat treated to make mullite crystal fiber like, fine and evenly distributed. Finally, the products are machined to make the surface smooth and accurate.
2, Features of Fused Casting Mullite Brick:
1) high temperature resistance, load softening temperature ≥ 1700 ℃
2) High hardness, high melting point 1900 ℃, good wear resistance
3) Good compactness,The density is 3.0-3.2g/cm3, the apparent porosity is 2-4%,
4) The linear rate of change at high temperature is small, and the volume stability is good at high temperature
5) Low creep rate at high temperature, i.e. low degree of non deformation at high temperature
3, Application of Fused Casting Mullite Brick: high temperature and wear-resistant parts of glass furnace, chemical fiber furnace, pool wall, heating furnace slideway brick,and other industrial furnaces
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4,Main technical parameters of Fused Casting Mullite Brick
Item | Unit | Technical index |
Al2O3 | % | ≥94 |
Density | g/cm3 | 3.0-3.2 |
Apparent porosity | % | 2-4 |
Compression strength | Mpa | ≥350 |
Refractoriness under load | ℃ | ＞1700 |
High temperature linear rate of change | % | 1500℃*3h，±0.1 |
5.Good feedback of product use effect,the products have been exported to Russia, Australia, Oman.
6.We are a professional supplier, who can provide customers with free product technology, use and other issues.
Do you want to find a professional supplier of refractory products?
Do you want to find a stable and credible supplier?
Then please contact with us
Contact me:
Email:wp@cnjingganrefractory.com/sdwenping@163.com
TEL: 86-0533-4188518 / FAX: 86-0533-4188518
Rose:+86-13275332819(wechat/whatsapp number)
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