Nuclear Grade Strongly Basic
Styrene Series Anion Exchange Resin


717OH is a premium nuclear grade strongly basic anion exchange resin of type I, with a clear gel structure. This polystyrene resin contains a quaternary ammonium functional group, particles of which are with complete bead integrity. Additionally, its high regeneration efficiency and excellent rinse performance qualify its high efficacy to be applied to water demineralization in various industries, wastewater treatment as well as the separation of anionic metal complex compounds, etc.

Matrix: Styrene-divinylbenzene copolymer
Functional groups: -N+(CH3)3
Physical form: Light yellow transparent spherical beads
Moisture holding capacity(%): 50 to 60%
Ionic form as shipped: OHform
Strong group mass exchange capacity: ≥3.8mmol/g
Total bulk exchange capacity: ≥1.2mmol/mL
Moisture true density: 1.07~1.10g/mL
Moisture bulk density: 0.76~0.85g/mL
Effective particle size: 0.40~0.70mm
Particle size: 0.35~1.25mm
Uniformity coefficient: ≤1.6
Integrated beads ratio after grinding test: ≥90℅
Max Swelling Rate of Resin after Ionic State Transition: OH ->Cl : 25%
Maximum operating temperature: 60°C
Minimum bed depth: 700mm
Service flow rate: 5~25 BV*/h
Maximum service velocity: 40 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: 5~8 BV at regeneration flow rate
Fast rinse: 10~20 BV at service flow rate
*1 BV(Bed Volume)= 1 solution per resin