Items

Specification

Polymer Matrix Structure

Crosslinked Polystyrene Divinylbenzene

Physical Form and Appearance

Brown yellow color Spherical beads

Functional Groups

R-SO₃¯

Ionic Form ,as shipped

Na⁺

Total Capacity, Na⁺ form, wet, volumetric

≥2.2 eq/l min

Moisture Retention, Na⁺ form

40-45%

Particle Size Range

0.3mm-1.2mm

<0.5mm (max.)

1% 

Uniformity Coefficient (max.)

1.7

effective size

0.4-0.9mm

Reversible Swelling

Na⁺ → H⁺ (max.)

6%

Shipping Weight (approx.)

820 -860g/l

Specific Gravity, moist Na⁺ Form

1.30

pH Range, Stability

0 - 14

Maximum Temperature

  Na⁺ Form

140°C (285^oF) max.

H⁺ Form

120°C (248^oF) 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

NaClvolume:resin volume =2:1

NaOH

NaOHvolume: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