We are offering mica powder, mica is a potassium alumina silicate (k2o. Al2o3. Sio2). Group of silicate minerals composed of varying amounts of aluminium, potassium, magnesium, iron and water. the grade of mica available is as under 10. mica mf (400#) (product as per customer’s need can also be offered) typical applications it is used in plastics, paint, paper, fire extinguisher, insulators, cosmetics.