... polyvinylidene fluoride(PVDF).They have a strong resistance to chemical corrosion, large void space and fluid capacity, low ... , absorbing and washing in low temperature of 60-150C in the tower in chemical, petrochemical, alkali chloride, coal gas ... 1.8 759556318087Φ100100×100×2.0 559648185062 Physical & Chemical Properties of Plastic Packings Material ItemPEPPRPPPVCCPVCPVDF Density,g/cm30.94-0. ...