Macroporous Strongly Basic
Styrene-based Anion Exchange Resin


D202 is a premium grade macroporous strongly basic anion exchange resin of type II. The inner structure of its macropore is highly uniform and firm for its advanced synthesis technology, which qualifies its excellent resistance to mechanical and osmotic shock. It is particularly applicable to three-layer bed and mixed-bed structure, mainly being used in demineralization system.

Matrix: Styrene-divinylbenzene copolymer
Functional groups: -(CH3)2NCH2CH2OH
Physical form: Milky white opaque spherical beads
Moisture holding capacity(%): 50 to 56%
Ionic form as shipped: Cl form
Strong group mass exchange capacity: ≥3.85mmol/g
Total bulk exchange capacity: ≥1.25mmol/mL
Moisture true density: 1.07~1.10g/mL
Moisture bulk density: 0.65~0.73g/mL
Effective particle size: 0.50~0.70mm
Particle size: 0.45~1.25mm
Uniformity coefficient: ≤1.5
Integrated beads ratio after grinding test: ≥95℅
Max swelling rate of resin after ionic state transition: Cl -> OH : 25%
Maximum operating temperature: 60°C
Minimum bed depth: 700mm
Service flow rate: 10~20 BV/h
Maximum service velocity: 25 m/h
Regenerant: NaOH
Level(Counted by 100%): 60~150g/L
Concentration: 2~4℅
Flow rate: 2~8 BV/h
Minimum contact time: 40min
Slow rinse: 2 BV at regeneration flow rate
Fast rinse: 4~8 BV at service flow rate
*1 BV(Bed Volume)= 1 solution per resin