... as PO43- ) %0.5maxDensity (20°C) g/cm31.25minPH (1% water solution)2.0 maxUsage:PTBCA is a high efficient agent ... zinc salt. It is widely used in circulating cool water system and oilfield refill water system as scale and corrosion inhibitor, suitable to composite ... used together with zinc salt, copolymer, organophosphine, imidazole and other water treatment agents. When used alone, the dosage of 5-15mg ...