ZGC 258 is a low acidity, macroporous acrylic acid-based cation exchange resin.

Description

1. Description

Hydrolite ZGC 258 is a cation exchange resin containing a carboxyl group (-COOH) in a macroporous acrylic acid polymer. It is primarily used for industrial water treatment, specifically for the removal of bicarbonates, carbonates, and other basic salts, as well as for the recovery and purification of zinc- and nickel-containing wastewater, the separation and purification of biochemical pharmaceuticals, and more.

2. Implemented standard: HG/T2164-1991 DL/T519-2004 SH2605.05-2003

3. Typical physical and chemical properties:

PARAMETERS	DATA
Appearance	Milky white or straw yellow opaque spherical granules
Ionic form	TIME
Moisture content %	45.00-52.00
Total exchange capacity mmol/g	≥10,80
Total exchange capacity mmol/ml	≥4.40
Proportion type H%	≥98.00
Shipping weight g/ml	0,72-0,80
Temporal density g/ml	1.140-1.200
Particle size %	(0.315-1.250 mm) ≥95
Minimum size %	(<0.315 mm) ≤1
Effective size mm	0,400-0,700
Uniformity coefficient	≤1,60
Sphericity after friction-osmosis %	≥95.00

4. Approximate indicators for use

PARAMETERS	Recommended values
pH range	4-14
Max. operating temperature in hydrogen form °C	100
Swelling at complete conversion (H ⁺ -Na ⁺ ) %	≤70.00
Working exchange capacity mmol/l	≥1600
Operating flow rate m/h	15-30

ZGC 258 is a low acidity, macroporous acrylic acid-based cation exchange resin.

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