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001×7 Strong Acid Cation Exchange Resin For Water Softening


001×7 is a high capacity premium grade bead form conventional gel polystyrene sulphonate cation exchange resin designed for use in industrial or household water conditioning equipment. Its acidity is similar to some inorganic acids,such as sulfuric acid [H2SO4] and hydrochloric acid[HCl].It can be used as ion exchanger in alkaline,neutral and acidic mediums.This product has speedy exchange ability and good physical strength.

2.Typical Physical and Chemical Properties:

Items Specification
Polymer Matrix Structure Crosslinked Polystyrene Divinylbenzene
Physical Form and Appearance Light yellow color Spherical particles
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 0.315mm-1.25mm
< 300 µm (max.) 1%
Uniformity Coefficient (max.) 1.6
effective size 0.4-0.7mm
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

3.Suggested Operaing Condition

Maximum Temperature Na+ Form 120°C (248oF) max.
H+ Form 100°C (212oF) max.
Backwash Rate 25 to 50% Bed Expansion
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


It is used in hard water softening,pure water manufacturing,water treatment, sugar manufacturing, pharmacy, monosodium glutamate, hydro-metallurgy industries and so on.

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