Because of the pearly luster, lower specific gravity and noninflammable features of mica, when it is added to building slabs, it can reduce the self weight of slabs , improve the fire resistance performance and reduce the casualties in earthquake. When mica powder is used in roofing materials, it helps to improve the heat retention performance and insulate against heat.When mica powder is mixed with mineral wool resin emulsion paint, the mixture is used as decoration to walls of concrete, stones or bricks. Mica powder can also be used with linoleum, mortar of pipeline and cementing agent.The specifications of Huayuan Mica--Special for Construction Industry include mica scrap(2-18mesh), 20mesh, 40mesh, 60mesh, 100mesh, 200mesh, and 325mesh etc.