Specification of ion exchange resin for water treatment
　

Items	201×7	D301	D113
Total exchange capacity mmol/g	≥3.6	4.8	≥10.8
Total exchange capacity mmol/ml	≥1.1／1.3	≥1.4	4.2
Water content ％	53—58／42—48	48—58	45—52
Bulk density in wet state g/ml	0.66—0.71／0.67—0.73	0.65—0.72	0.72—0.80
True density in wet state g/ml	1.06—1.09／1.07—1.10	1.03—1.08	1.14—1.20
Efficiency size mm	0.40—0.70	0.40—0.70	0.40—0.70
Uniform coefficient	≤1.60	≤1.60	1.60
Granule degree　％	(0.315—1.250mm) ≥95.0	(0.315—1.250mm) ≥95.0	(0.315—1.250mm) ≥95.0
	＜0.315mm ＜1	＜0.315mm ＜1	＜0.315mm ＜1
Rate of spherical granule after attrition	％ ≥95