Physical & Chemical ProperitiesThe closed-cell perlite has the characteristics of high temperature resistance, low water absorption, good mixing and dispersibility. Application1. It is the main aggregate of insulating mortar, refractory material, decorative board, insulation board and riser coving agent for casting. 2. It is also used in metallurgy, industrial furnace, electric thermal insulation, heat pipe and other high-grade thermal insulation materials. 3. High fineness closed-cell perlite can be used as rubber enamel, paint and plastic filler.
