Styrene series Gel Strong Acid Cation Resin

001*7MB Styrene series Gel Strong Acid Cation Resin - for Mixed Beds
1. Description
001*7MB This is a kind of cation exchange resin which has sulfonic acid groups [-SO3H] in the styrene-divinylbenzene copolymer, It is used in Mixed Beds. water softening applications

2.Typical Physical and Chemical Properties:
①Polymer Matrix Structure：Crosslinked Polystyrene Divinylbenzene
②Physical Form and Appearance：Brown yellow to buown grey color beads
③Functional Groups：R-SO3ˉ
④Ionic Form ,as shipped：Na+
⑤Total Capacity, Na+ form, wet, volumetric：≥1.9 eq/l min
⑥Moisture Retention, Na+ form：45-50%
⑦Particle Size Range：0.5mm-1.2mm
⑧<0.5mm (max.)：1%
⑨Uniformity Coefficient (max.) ：1.4
⑩effective size：0.55-0.90mm
⑾Reversible Swelling：Na+ → H+ (max.)10%
Ca2+→Na+(max.)5%
⑿Shipping Weight (approx.)：770 -870g/l
⒀Specific Gravity, moist Na+ Form：1.27
⒁Temperature Limit：120°C (250 °F)
⒂pH Range, Stability：0 - 14
3.Suggested Operating Condition
①Maximum Temperature：Na+ Form 120°C (248°F) max.
H+ Form 100°C (212°F) max.
②Backwash Rate： 25 to 50% Bed Expansion
③Regenerant Concentration：Hydrogen Cycle 3% HCl or 2 to 3% H2SO4
Sodium Cycle 6% to 8% NaCl or 3% NaOH

④Regenerant 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
⑤Regenerant Flow Rate： 2 to 4 BV/h
⑥Regenerant contact Time：At least 40 minutes
⑦Service Flow Rate： 10-25m/h
4.Applications
It is used in hard water softening,pure water manufacturing, Mixed-bed water treatment system