Polyamine cas:39660-17-8 This chemical can be used as PAC composite coagulant and used in drinking water and sweage purification, oily wastewater in oil field and well drilling in mining industry, etc. It can be used as anionic trash catcher in white water, etc. Specification: Appearance Colorless to light yellow transpatent liquid Solid content 50±1% pH 4-7 Viscosity 100-6000 Package: 125kG PE Drum Storage: Keep in sealed and dark condition, storage period is one year at normal temperature.