Use
Commercial mica is of two main types: sheet,and scrap or flake. sheet muscovite is used asa dielectric in capacitors and vacuum tubes inelectronic equipment. lower-quality muscoviteis used as an insulator in home electrical productssuch as hot plates, toasters, and irons.Scrap and flake mica is ground for use in coatingson roofing materials and waterproof fabrics,and in paint, wallpaper, joint cement, plastics,cosmetics, well-drilling products, and avariety of agricultural products.