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