Typical Physical and Chemical Properties 1.Purity 99% . 2.Apperance : Amber , clear spherical beads. 3.Polymer Structure�Gel polystyrene crosslinked with DVB 4.Functional Group: Sulfonic acid. 5.Ionic Form as Shipped: Na+ 6.Moisture Retention:38 - 43 % (Na+ form) 7.Uniformity Coefficient (max.) : 1.6 8.Complete exchange capacity (mmol/g):4.4 9.Total exchange capacity (mmol/g) �2.2 10.Wet apparent density (g/ml):0.80-0.88 11.Wet true density (g/ml) :1.28-1.32 12.Grainsize(0.315-1.25mm):�95 13.Sphere rate after abrasion %: �90 14.Temperature Limit: 120°C (250°F) 15.Package : 25L Each Bag. 16.Comparison:SK110,IR-122,C-20X/255,HCR,C-250,S-110 ,C-100*10