... 2.pvc impact modifier 3.cpe impact modifier. 4.50000T/year 5.Manufactur,Group Co. Chlorinated ... : It is chloridized by HDPE.Due to the molecule of CPE does not contain double bond, it has excellent weatherability, anti ... of rubber property. Because of the presence of chlorine atom, CPE turns into polar polymers and has the same polar groups ... expiring date is 12 months from the date of produced. CPE 135A