Mica powder widely use in high-grade paint, coating, ink, rubber, plastics, wire ,cable and so ... ,anti alkali,crush-resistance,exfoliative,be use for electrical insulating material of electrical equipment and electrical appliance. Physical propertySizeWhitenessAverage Particle sizeTrue specific gravityPH ... %Iron oxide (Fe2O3)0.06%Water content (H2O)0.25% High quality Mica Powder