Plastic pall ring 16, 25, 38, 50,76mm plastic pall ring PP, PE, PVDF, PVC, RPVC, RPP plastic pall ring Use as tower packing Plastic pall ... from 60°C to 150°C.Technical data of plastic pall ring: Diameter (Inch)Dimension d×h×δ (mm)Specific surface area (m2 ... )Heaping number (n/m3)Heaping weight (kg/m3)5/8 "16×16×11880.912751120001411 "25×25×1.21750.9023953500911.5 "38×38 ...