Antimony trioxide flame retardant masterbatch made of antimony trioxide and carriers. The use of this product can minimize the dust inhalation caused by the use of powder products Injury and skin contact injury.It is widely used for flame retardant materials such as polyethylene, polypropylene, polystyrene, polyvinyl chloride, nylon, engineering plastics, rubber, paint, coating, synthetic resin, paper and so on.The ATO content reach to 90%,So it's can replace antimony trioxide powder in equivalent amount.