... %max)-26um (8.0% max)Applications:1, used in thickening agent in printing ink, also used in painting pigment, crayon, and ... material in producing aluminium salts, ceramics, enamel, glasses and lubricating agent;3, used in making kinds of catalyst carrier;4, aluminium ... ;5, used in waterproof fabric, mordant, filler of rubber, and water purifying agent;6, serves as a kind of filling fire retardant;7 ...