Items

Specification

Polymer Matrix Structure

Crosslinked Polystyrene Divinylbenzene

Physical Form and Appearance

Brown yellow to buown grey color beads

Functional Groups

R-SO3¯

Ionic Form ,as shipped

Na+

Total Capacity, Na+ form, wet, volumetric

≥1.9 eq/l min

Moisture Retention, Na+ form

45-50%

Particle Size Range

0.5mm-1.2mm

<0.5mm (max.)

1% 

Uniformity Coefficient (max.)

1.4

effective size

0.55-0.90mm

Reversible Swelling

Na+ → H+ (max.)

10%

Ca2+→Na+(max.)

5%

Shipping Weight (approx.)

770 -870g/l

Specific Gravity, moist Na+ Form

1.27

Temperature Limit

120°C (250 °F) 

pH Range, Stability

0 - 14

Maximum Temperature

  Na+ Form

120°C (248oF) max.

H+ Form

100°C (212oF) max.

Backwash Rate

25 to 50% Bed Expansion

Regenerant Concentration

Hydrogen Cycle

3% HCl or 2 to 3% H2SO4

 Sodium Cycle

6% to 8% NaCl or 3% NaOH

Regenerant  dosage

HC1 or  H2SO4

HC1 or H2SO4 volume:resin volume =3:1

NaCl 

NaCl volume:resin volume =2:1

NaOH

NaOH volume:resin volume =3:1

Regenerant Flow Rate

2 to 4 BV/h

Regenerant  contact Time

At least 40 minutes

Service Flow Rate

10-25m/h