acrylic acid/acrylate/phosphonic acid/sulfosalt tetra-copolymer (th-241) properties: acrylic acid/acrylate/phosphonic acid/sulfosalt tetra-copolymer (th-241) is copolymer of carboxylic group, hydroxylic group and sulfonic acid group, it has good scale inhibition performance to calcium phosphate and calcium carbonate. th-241 has good synergic effects with other agents. th-241is used as scale inhibitor and dispersant in circulating cool water system and built with organophosphate. specification: items index appearance colorless or light yellow viscous liquid solid content % 35.0 min free monomer (ch2=ch-cooh)% 0.5 max density (20℃)g/cm3 1.1~1.2 ph(1% water solution) 3.0~5.0 usage: normally, the dosage of 5~25mg/l is preferred. when built with organophosphates, the dosage of 1-10mg/l is preferred, the suitable ph value is 7.0-9.5. package and storage: normally in 250kg net plastic drum, ibc drum can also be used as required. .storage for one year in room shady and dry place.