... CPVC, PVDF, PTFE, HDPE Size: 5/8", 1", 1.5", 2", 3" Use as tower packing Plastic pall ring:PE pall ring ... media ranges from 60°C to 150°C. For these reasons plastic pall ring is widely used in ... m3)Void volume(m3/m3)Dry packing factor ( m-1 )Heaping number (n/m3)Heaping weight (kg/m3 ... ×1.41150.8922015800712 "50×50×1.5930.901276500563 "76×76×2.6730.9294193060 Plastic pall ring (Dia.5/8", 1", 1.5", 2", 3") ...