How much heat can mullite lightweight bricks withstand?
Release time:
2024-10-22
Mullite lightweight bricks are also characterized by lightweight and excellent heat preservation performance, and are widely used in the refractory lining or heat preservation layer of the hot surface of various thermal equipment.
Mullite lightweight bricks can withstand high temperatures of 1790°C or more. Mullite lightweight brick is a kind of refractory material with high refractoriness, and the refractory temperature can reach more than 1790℃.
Mullite lightweight brick has many excellent properties. Its load softening start temperature is between 1600-1700℃, its room temperature compressive strength is 70-260MPa, and its thermal shock resistance is good. In addition, mullite lightweight brick also has the characteristics of lightweight, excellent thermal insulation performance, widely used in a variety of thermal equipment hot surface refractory lining or insulation layer.
Mullite lightweight bricks are mainly composed of aluminum trioxide dibasic and silicon dioxide, with mullite (3Al2O3-2SiO2) as the main crystalline phase. Its lightweight characteristics thanks to the production of raw materials used in the bluestone, formed in the decomposition process of the micro-porosity, these micro-porosity not only improves the thermal insulation properties, but also reduces the heat conduction coefficient
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