... ammonium base, in acidic, neutral or alkaline media show ion-exchange capabilities. Product has good mechanical strength,high heat resistance . ... factory pattern: chlorine-based water content of% 42 to 48full-exchange capacity mmol / g (dry) ≥ 3.6 Wet apparentdensity g / ... product of the original brands 717 #, the equivalent of the foreign brands: United States: Amberlite IRA-400, Japan: SA-10A ...