(2) Construction field: thermal insulation, fireproof coating, sound-absorbing board, etc.
(3)Industrial fields: pipeline insulation, filter materials, slag collecting materials in steel making process, rubber and plastic filling materials, etc.
(4)Perlite is used as a filter medium for pharmaceutical, food, chemical and municipal systems and swimming pool water.
(5)Used as an abrasive in the production of soaps, detergents and polishes.