QX-225 is copolymer of polyacrylic acid and hydroxypropyl acrylate, it has good scale inhibition and dispersion properties. Properties:QX- ... 225 is copolymer of polyacrylic acid and hydroxypropyl acrylate, it has good scale inhibition and dispersion properties to calcium ... to form full organic alkaline formula. Acrylic Acid-2-Hydroxypropyl Acrylate