... : PE, PP, RPP, PVC, CPVC, PVDF, PTFE, HDPE Size: 5/8", 1", 1.5", 2", 3" Use as tower packing Plastic pall ring:PE ... so on, and the application temperature in media ranges from 60°C to 150°C. For these reasons plastic pall ring is ... widely used in the packing towers in petroleum industry, chemical industry ...