Items

Specification

Polymer Matrix Structure

Crosslinked Polystyrene Divinylbenzene

Physical Form and Appearance

Brown yellow to brown grey color beads

Functional Groups

R-SO3¯

Ionic Form ,as shipped

H

Total Capacity, Na+ form, wet, volumetric

≥1.9 eq/l min

Moisture Retention, Na+ form

42-48%

Particle Size Range

0.3mm-1.2mm

<300 µm (max.)

1% 

Uniformity Coefficient (max.)

1.6

effective size

0.4-0.7mm

Reversible Swelling

Na+ → H+ (max.)

8%

Ca2+→Na+(max.)

4%

Shipping Weight (approx.)

740 -840g/l

Specific Gravity, moist Na+ Form

1.22~1.26

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

HCl 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