Sodium Hexametaphosphate Is Widely Used In Industry As A Complex Salt, Chelating Agent, And Metal Preservative; It Can Form Stable Complexes With Metal Ions For The Protection And Rust Prevention Of Metal Surfaces; In Addition, It Can Also Be Used As A Component Of Dyes, Catalysts, And Additives. Sodium Hexametaphosphate Is Also Widely Used In The Water Treatment Industry. It Can Be Used As A Phosphate Water Treatment Agent To Prevent Scale And Corrosion Issues