... .2 mm <5%, -0.3 mm <1%Swelling Na+→ H+___________________10% max. Ca2+→Na+__________________5% max.Shipping Weight (approx.)_____________810 g/l (52 lb ... .29PH Range, Stability___________________0 - 14Maximum Temperature Na+ Form__________________ H+ Form__________________150°C (300oF) max. 100°C (212oF) max.Minimum Bed Depth_________________0.6m(24inches)Backwash Rate______________________25 ...