... cation resin similar to, but it has a high exchange capacity and permeability. Structure: Technical standards: 1, ... : sodium hydrogen type ≤ 120 ≤ 120 3, the expansion rate:% (Na → H) ≤ 8-10 4, industrial resin layer ... 100 H2SO4 (Industry) 75-150 7, the regeneration flow rate: m / h 4-6 8, then contact time: ... minute :40-80 9, is washing flow rate: m / h :10-20 10, washing time: minute ...