... heat absorptivity compared with aluminium hydroxide. In order to produce fire retardant magnesium hydroxide, it must be fine crystal shape, small average ... magnesium hydroxide with hot water, and then make it a fire retardant which can be used in plastic and rubber through surface ... , PVC, PP, and also in PET, PBT, PA, PPO, and ABS and so on. Our tenet is to develop fire retardant magnesium hydroxide ...