... pall ring. Size: 16, 25, 38, 50,76mm. Material: PE, PP, RPP, PVC, CPVC, PVDF, PTFE, HDPE. Use as tower packing. Plastic ... pall ring:PE pall ring, PP pall ring, RPP pall ring, PVC pall ring, CPVC pall ring, PVDF pall ring, PTFE pall ring, HDPE pall ring.Plastic Pall Ring ... °C to 150°C. Plastic Pall Ring is widely used in the packing towers in petroleum industry, chemical industry, ...