1) 30 years professional manufactured 2) high void ratio, low pressure drop, low mass-transfer. 3) Mat: PP, PVC, CPVC, UPVC Plastic tower packing is made of those heat resistant and chemical corrosion resistant plastics, including, PP, PVC, CPVC, UPVC and PVDF.It has features such as high void ratio, low pressure drop, low mass-transfer unit height, high flooding point, uniform gas-liquid contact ...