201x7 is a high capacity, shock resistant, gelular,Type I ,strongly basic anion exchange resin supplied in the chloride or hydroxide form as moist, uniform, spherical beads. 201x7 is intended for use in all type of deionization systems and chemical processing applications.. Typical physical & Chemical characteristics Polymer Matrix Structure: Styrene Crosslinked with DVB Physical Form and Appearance: Clear spherical beads Whole Bead Count: 95% min. Functional Groups: R-N(CH3)3+ Ionic Form ,as shipped: CL Total Exchange Capacity, CL- form, wet, volumetric 1.30 meq/l min. Moisture Retention, CL- form: 45-52% Particle Size Range: 0.4-0.8mm Swelling CL-¡ú OH-: 18-20% Shipping Weight (approx.): 670-720 g/l Specific Gravity, moist CL- Form: 1.09 PH Range, Stability: 0 - 14. 25L /bag,1000L /big bag with pallet.