water treatment chemicals Effectively controls scales including CaCO3, CaSO4, SrSO4, BaSO4, CaF2, SiO2, Fe2O3. Used in RO,NF, water treatment chemicalsDescriptions:1>. XYME220 is highly effective liquid RO antiscalant developed to control precipitates and reduce particulate fouling in membrane separation systems.2>. It can be used in reverse osmosis (RO), nano-filtration (NF) and ultra-filtration ...