| Appearance: colorless to light yellow clear liquid Active content (as ATMP): 48-52% Phosphorous acid (as PO3): 4.5% max. Fe: 35 ppm max. Chloride (as Cl): 1.0% max. PH (1% aqueous solution): 2 max. Density (20癈): 1.28 g/ml min. Calcium complexing power: 350 mg CaCO3/g min. Color (APHA): 45 max. |
| Used in cooling water circulation system to prevent the water pipe and boiler tube free from scaling. |