We are offering mica flakes - fine. suitable for use when a sealing agent is needed to be small enough to pass through a shaker screen without interfering with the operations. Widely used in manufacturing gypsum board, calcium silicate board and also used as a concrete block filler. High quality white mica flakes are used for bright and artificial snow impression, refractory bricks, asphalt roofing felts, metals explosives and disinfectant etc.