ZGA 307SC series styrene resins with strong basic anion exchange resin

Description

1. Description:

Hydrolite ZGA 307SC is a type of anion exchange resin containing a quaternary ammonium group [-N(CH₃)₃OH] in a styrene-diethylenebenzene copolymer with a 7% crosslinking degree. This strongly acidic cationic resin, along with a weakly acidic cationic resin, is used to produce pure and ultrapure water in a dual-layer cationic column system. The true density and particle size distribution differ significantly between the strong and weakly acidic resins, ensuring excellent hydrodynamic performance and a clear distribution effect.

2. Implementation standard: GB/T13660-1992 DL/T519-2004 SH2605.06-2003

3. Typical physical and chemical properties

PARAMETERS	DATA
Appearance	Yellowish-golden spherical granules
Ionic form	Cl
Humidity, %	42.00-48.00
Maximum reducing capacity, mmol/g	≥3,80
Exchange capacity of a strong functional group, mmol/g	≥3,50
Total exchange capacity, mmol/ml	≥1,30
Shipping weight, g/ml	0,67-0,73
True density, g/ml	1.070-1.100
Particle size range, %	(0.630 mm – 1.250 mm) ≥95
Minimum size, %	(<0.630 mm) ≤1
Effective size, mm	≥0,630
Homogeneity coefficient	≤1.40
Sphericity after abrasive wear, %	≥90.00

4. Performance indicators during use

PARAMETERS	Reference value
pH range	1-14
Max. operating temperature in chlorine form, °C	80
Expansion at full conversion (Cl⁻ – OH⁻) %	≤25
Working exchange capacity, mmol/l	≥450
Operating flow rate, m/h	20-40

ZGA 307SC series styrene resins with strong basic anion exchange resin

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