PURIONX 201×4 (OH⁻)
Pre-regenerated OH⁻ form of 201×4 for direct demineralization and silica removal
Ionic Form
OH⁻
Strong-Base Capacity (mmol/g)
≥3.8 (4.0)
Volume Capacity (mmol/mL)
≥1.00
Water Retention (%)
60–70
Bulk Density (g/mL)
0.65–0.70
Physical & Chemical Specification Sheet — 201×4 (OH⁻)
Styrene-Based Gel-Type Strong Base Anion Exchange Resin · Quaternary Ammonium (Type I & II)- Grade Designation
- 201×4 (OH⁻)
- Ionic Form
- OH⁻
- Strong-Base Capacity (mmol/g)
- ≥3.8 (4.0)
- Volume Capacity (mmol/mL)
- ≥1.00
- Water Retention (%)
- 60–70
- Bulk Density (g/mL)
- 0.65–0.70
- Specific Gravity (g/mL)
- 1.05–1.09
- Particle Size Range (%)
- 0.315–1.25 mm ≥95
- Effective Size (mm)
- 0.45–0.7
- Uniformity Coeff.
- ≤1.6
- Whole Bead After Attrition (%)
- (≥90)
- Reversible Swelling
- Cl⁻ -> OH⁻ ≤33%
- Color
- Colorless to light yellow
- Application & Engineering Notes
- Pre-regenerated OH⁻ form of 201×4 for direct demineralization and silica removal
Custom particle size screening & ionic conversion available. COA issued per lot
Comparable International Brand Equivalents
Drop-in evaluation reference for 201×4 (OH⁻)- Purolite
- A400
- Dowex
- SBR-P
- Amberlite
- IRA402 / 420
- Lewatit
- M504 / 510
- Diaion
- SA 12A
- Duolite
- A-113
- ResinTech
- SBG 1P
- Ion Plus
- AN-20
Third-party brand names are registered trademarks of their respective owners and are referenced solely for technical cross-reference.
Values shown represent standard production specifications. Every commercial shipment is accompanied by a lot-specific Certificate of Analysis (COA) issued by PURIONX CHEMICALS (JIANGSU) CO., LIMITED.
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