Appearance Colorless or light yellow transparent liquid. Solid content % 30 min. Free monomer (CH2=CH-COOH) % 0.5 max. Density ú¿20íµú¬g/cm3 1.09 min. pHú¿1úÑ solutionú¬ 3.0 max. 40%, 50% PAA are also supplied. Normally In 200kg net Plastic Drum, IBC drum can also be used as required. Storage for one year in room shady and dry place.