001x7 is a high purity premium grade ,high capacity, gelular, sulfonated, polystyrene cation resin supplied in the sodium or hydrogen form as moist, tough, uniform, spherical beads. 001x7 is intended for use in all water softening, dealkalization, deionization 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: 97% min. Functional Groups: R-SO3 Ionic Form ,as shipped: Na Total Exchange Capacity, Na+ form, wet, volumetric: 1.8 meq/l min. Moisture Retention, Na+ form : 48-52% Particle Size Range: 0.3-1.20mm Less than 0.3mm1.0 %max Swelling Na+¡÷ H+: 10% max. Ca2+¡÷Na+: 5% max. Shipping Weight (approx.): 800 g/l Specific Gravity, moist Na+ Form: 1.29 PH Range, Stability: 0 - 14. 25L /bag,1000L /big bag with pallet.