Mica Flakes: 1-2mm, 2-3mm, 3-5mm. Mica Powder:10mesh 20mesh, 40mesh, 60mesh,100mesh,200mesh, 325mesh .Mica Flakes: 1- ... 2mm, 2-3mm, 3-5mm.Note: The size should be ... -durable products.Use as suspended substance in fire-fighting dry powder.Taken as a filler, a shelter, a lubricating substance, a ...