1.Brief Introduction:
This product is the cation exchange resin that is sulfonate styrened 7%styrene copolymer. It is mainly used for softening hard water and pure-water preparation and also for hydrometallurgy, sugar making,pharmacy, and monosodium glutamate. It can be used as catalyst and dehydrating agent too.
2.Voluntary Standards:
GB 13659-92 DL 519-95 SH2605.01-97
3.Typical physical and chemical properties:

Apppearance	Spheroidal parlicle with a color range from golden yellow to brown
Ionic Form As Aelivered	Na+
Maisture Content %	40~50
Total Exchange Capacity mmol/g	>=4.50
Total Exchange capacity mm/ml	>=1.90
Specific Gravity g/ml	0.77~0.87
Bulk Density g/ml	1.25~1.29
Range Granularity %	(0.315~1.25mm) >=95
Lower-limit Granularity %	<0.315mm<=1.0
Effective Size mm	0.40~0.60
Uniformity Coefficient	<=1.60
Sphericarate Rate after osmotic-attrion %	>=90
Spherical after osmotic-attrition %	>=60 DL519-2004