Expanded perlite:

Expanded perlite is a kind of tasteless, incombustible, incorruptible, acid and alkali resistant, thermal insulation, sound insulation and heat insulation product with honeycomb structure inside. It is a white or light color thermal insulation material made of acid volcanic glass lava (perlite) after crushing, screening to a certain particle size, preheating, and delayed sintering at a high temperature above 1400 ℃. It can be mixed with different cementitious materials to make water repellent perlite insulation board, perlite sound-absorbing board Partition panels, fireproof panels, etc.

This product is mainly used for insulation of building roofs and walls; Lightweight aggregates for building materials; Various industrial equipment and pipeline insulation layers; The inner walls of various deep cooling and cold storage projects; Soilless cultivation, soil improvement, water and fertilizer conservation in agriculture and horticulture are widely used in industries such as petroleum, chemical, power, construction, metallurgy, etc!