Aluminium Hydroxide(ATH) is a new inorganic  flame Retardant and it can work as Filling.It has the characteristics of halogen-free,low smoke,non toxic,anti-drip and filling.It is mainly used for rubber ,plastics,paints,adhesive and other polymer materials to eliminate smoke and 

work as flame retardant.It can aslo be used as flling material in building boards,artificial marble,paper and other products.