PURIONX D404
Macroporous aminophosphonic acid chelating resin with strong selective adsorption of Ca²⁺ and Mg²⁺; mainly used for secondary chlor-alkali brine softening and refining to ppb levels
Technical Data Sheet · PURIONX CHEMICALS (JIANGSU) CO., LIMITED · info@purionx.com Ionic Form
Na⁺
Mass Capacity (mmol/g, dry)
1.45 (Ca²⁺)
Volume Capacity (mmol/mL)
0.5 (Ca²⁺)
Water Retention (%)
52–60
Bulk Density (g/mL)
0.72–0.78
Physical & Chemical Specification Sheet — D404
Macroporous Selective Chelating Resin · Iminodiacetic / Aminophosphonic- Grade Designation
- D404
- Ionic Form
- Na⁺
- Mass Capacity (mmol/g, dry)
- 1.45 (Ca²⁺)
- Volume Capacity (mmol/mL)
- 0.5 (Ca²⁺)
- Water Retention (%)
- 52–60
- Bulk Density (g/mL)
- 0.72–0.78
- Specific Gravity (g/mL)
- 1.12–1.40
- Particle Size Range (%)
- (0.315–1.250 mm) ≥95
- Effective Size (mm)
- 0.4–0.7
- Uniformity Coeff.
- ≤1.6
- Whole Bead After Attrition (%)
- ≥90
- Reversible Swelling
- H⁺ -> Na⁺ <40
- Color
- Grey-brown opaque spherical beads
- Application & Engineering Notes
- Macroporous aminophosphonic acid chelating resin with strong selective adsorption of Ca²⁺ and Mg²⁺; mainly used for secondary chlor-alkali brine softening and refining to ppb levels
Custom particle size screening & ionic conversion available. COA issued per lot
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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