... , antirust agent, drier, purger, developer and intensifier Trisodium phosphate(TSP) Chemical formula : Na3PO4Standard : HG/T2517-93 Properties : white or colorless granular ... , antirust agent, drier, purger, developer and intensifier.Packing : plastic bag lined woven bag 25Kg or 50kg, 1000kg, kept in dry and ventilating place ...