Thermal insulation castable is a refractory castable with low density and excellent insulation performance. It is mainly composed of high-temperature stable materials and a certain amount of lightweight aggregates (such as perlite, vermiculite, etc.), as well as binders and additives. The main function of insulation castable is to provide excellent insulation performance, which can effectively reduce heat loss and improve the energy utilization efficiency of industrial furnaces. Thermal insulation castables have various advantages, such as lower thermal conductivity, lower heat capacity, excellent insulation performance, better heat resistance, impact resistance, corrosion resistance, etc. Thermal insulation castables are widely used in the manufacturing and maintenance of refractory structures such as industrial furnaces, pipelines, chimneys, boilers, etc.
According to their composition and characteristics, insulation castables can be divided into various types, such as perlite insulation castables, vermiculite insulation castables, porous high alumina insulation castables, silicate insulation castables, etc. Each type of insulation castable has its unique characteristics and applicable range, and users should choose according to their specific situation.
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