Modified polymeric resins, engineering plastics (PP Series): Flame retarded PP, Toughened PP, Soft & elastic PP, Brighting PP Modified polymeric resins, engineering plastics (PP Series)The engineering plastics (PP Series) include flame retarded PP, toughened PP, soft & elastic PP and brighting PP.The technical data and applications of flame retarded PP:a) Tensile strength at break: >27b) Bending ...