Expanded perlite is a kind of inorganic silicate material, which is non-toxic, tasteless, acid and alkali resistant. It is formed by high-temperature expansion above 1000 ℃, and widely used in dozens of fields such as building energy conservation and heat preservation, sound insulation, soil improvement, soilless cultivation, low-temperature storage and transportation, food, medicine, filtration, high refractory materials, military industry, electric locomotive, etc.
It can be used with insulation powder to make insulation mortar and various construction mortars. It can be used to produce new environmentally friendly materials such as stucco gypsum and light gypsum.