Properties: Polyacrylamide, abbreviation PAM,is a glassy solid.The speed of absorbing water varless with different derivative.it is soluble in watert and organic solvents,such as acetic acid,glycol,glycerin and amine,it melts after long time heating dissoiving temperature is over 200℃,it carbonates to black powder at 210℃without oxyen. It could be made to four series e g,mon-ion,cation anion and mixed cation & anion.