... The only origin for detrital mica all over China. Heat resistance, insulation. Mica is mainly crystallized into monoclinic crystal, it ... anti-alkali chemical stability; it is heat resistant and also has excellent insulation, no matter how fragmental, it always ... Mica powder can be widely used in architecture, building materials, insulation, paint, coatings, pigments, fire, plastic, rubber, ceramics, ...