... 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 is ... ); 1" (25mm); 1.1/2" (38mm); 2" (50mm); 3" (76mm).Technical data of Plastic pall ring: Diameter (mm)Dimension d×h×δ (mm)Specific ... .5930.90127650056Φ7676×76×2.6730.9294193060 16mm, 25mm, 38mm, 50mm, 76mm plastic pall ring