SEPMIN Mica Powder is manufactured in hammer mills and screened to the required mesh size. High quality raw material is used to produce a superior product. Our Mica Powder is manufactured in hammer mills and screened to the required mesh size. High quality raw material is used to produce a superior product. Standard Grades: Mesh 60 and 300 mesh Applications: Electrical Apparatus Electric Heating Appliances Electrical Control Electrical Lighting Equipment Industrial Electric Heating Appliances Mechanical Uses Miscellaneous Electrical Uses Paints Plastics Welding electrodes Our product line also includes Fabricated Mica Insulators & Components, Mica Paper, AFM Mica, Mica Flakes and Mica Scrap.