Biotite is a common rock-forming silicate mineral. The biotite powder we produced ranges from 20 to 2500 mesh. Application: I) filler to rubber and plastic, Ii) baking powder of biotite fixed with zeolite and boric sludge process to mineral fertilizer with multiple nutrient elements Iii) dielectric of capacitor and thermocouple tube; Standard export package suit for long distance ocean transportant
