... Friendly,benzene and ketone free PP-903 Ester based Chlorinated Polypropylene Resin (Ester-based,Friendly,benzene and ketone free)Commodity ... : PP-903 Chlorinated Polypropylene resin CAS# 68442-33-1PP-903 is a new ... and developed for gravure Compound ink. Comparing with traditional chlorinated polypropylene, our product has good advantage as follows:1. ...