Typical Physical and Chemical Properties 1.Purity 99% . 2.Apperance : mliky white spherical beads. 3.Polymer Structure�Gel polystyrene crosslinked with DVB 4.Functional Group: -N+(CH3)3 5.Ionic Form as Shipped: Cl 6.Moisture Retention:50- 60 % 7.Uniformity Coefficient (max.) : 1.6 8.Complete exchange capacity (mmol/g):3.7 9.Wet apparent density (g/ml):0.65-0.73 10.Wet true density (g/ml) :1.06-1.10 11.Grainsize(0.315-1.25mm):�95 12.Sphere rate after abrasion %: �90 13.Temperature Limit:100 C 14.Package : 25L Each Bag. 15.Comparison: PA312, IRA-900, A161, MSA-1, A-641, MP500, A-500