... . 1. Brief IntroductionIn order to produce fire retardant magnesium hydroxide, it must be fine crystal shape, small average particle size, small ... material, treat magnesium hydroxide with hot water, and then make it a fire retardant which can be used in plastic and rubber ... temperature and 10% more heat absorptivity compared with aluminium hydroxide. It can be applied in PE, PVC, PP, and also in ...