... is a kind of eco-friendly copolymer antiscale for RO membrane system, effective and efficient to prevent the inorganic salt ... antiscale containing organic acid, CP118 is compatible with most RO membrane, especially suitable to treat the normal groundwater, reuse water ... is suitable to use in the membrane system produced by most leading manufactory such as: Dow. Filmtec , GE , Hydranautics , TORAY, ...