Mica Powder

Commodity: mica powder Chemical index SiO2 Al2O3 K2O Na2O MgO CaO TiO2 Fe2O3 PH 44.5~46.5% 32~34% 8.5~9.8% 0.6~0.7% 0.53~0.81% 0.4~0.6% 0.8~0.9% 3.8~4.5% 7.8 Physical index Heat resistance color Mohs hardness elastic coefficient transparencyMelting point disruptive strength purity 650� silver white 2.5 �1475.9~2092.7��106Pa 71.7~87.5% 1250� 146.5KV/mm