Detailed Product Description Chemical Name : Bis(1-hydroxy-2(1H)-pyridineselonato-O,S)SodiumAppearance : yellow liquidAssay: 40%-42%Package: 25kg plastic drum SPT is a water soluble industrial preservative for building coating,adhesive,textile,leather,machining process liquid.It can also be used in agriculture.Sodium Pyrithione (SPT)chemical