Mullite castable is suitable for use in industrial kiln linings at a temperature of 1400 ℃.
Mullite castables have good flexibility and stable high-temperature performance. At medium and high temperatures, aluminum and silicon react to form mullite, which combines to improve and enhance the flexibility of the castables. Mullite castables also have good thermal shock resistance, can withstand thermal stress at high temperatures, and have high slag resistance, resisting erosion and infiltration of high-temperature slag.
Mullite refractory castable has good fluidity and plasticity, making it easy to construct and shape. During the construction process, it can shorten the construction period and improve production efficiency. With high thermal stability and good thermal insulation performance, it can improve the thermal efficiency of the furnace lining and reduce fuel consumption.
Mullite castable is suitable for use in various industrial kiln linings, especially at the combustion port of the furnace. Due to its good flexibility and strong plasticity, its use effect is significantly better than other materials of castable, especially in the temperature range below 1400 ℃, the effect is more obvious. In addition, the shape and structure of mullite is a rhombic crystal system, with crystals arranged in long columns, needles, and chains. Needle shaped mullite is interspersed in the product to form a strong framework for the casting material.
Mullite castable is a high-end refractory castable in the castable series. It can also be used to make composite refractory castables with corundum and silicon carbide, to maximize the formation of high-temperature binding phases of mullite, and obtain good microstructure and thermal shock resistance. Mullite castable can also be made into prefabricated burner bricks, which can resist the erosion and erosion of wind and fire in the burner area.
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