... PE, PP, RPP, PVC, CPVC, PVDF, PTFE, HDPE Size: 5/8", 1", 1.5", 2", 3" Use as tower packing Plastic pall ring:PE ... °C to 150°C. For these reasons plastic pall ring is widely used in the packing towers in petroleum industry, chemical industry ... , alkali-Chloride industry, coal gas industry and environmental protection, etc.Technical data of Plastic ...