PURIONX CHEMICALS (JIANGSU) CO., LIMITED PURIONX ISO 9001 · 14001 · 45001 200,000 m² Base · 63,000+ MT / year

PURIONX D311

Very high exchange capacity and excellent mechanical strength; mainly used for the adsorptive purification of citric acid and Vitamin C and for removing SO₄²⁻, Cl⁻ and NO₃⁻ in food and pharmaceutical processing

Strong (Weak) Base Capacity (mmol/g)
(≥5.5)
Volume Capacity (mmol/mL)
≥1.3
Water Retention (%)
52–73
Bulk Density (g/mL)
0.65–0.75
Specific Gravity (g/mL)
1.04–1.15
Optical Bead Specimen
Acrylic Strong & Weak Base Anion · D311
Acrylic–NR₂ / N⁺R₃
Acrylic Strong & Weak Base Anion resin beads in a laboratory petri dish
0.315–1.25 mm
Appearance:Water-clear translucent to pure white microbeads
Polymer Matrix
Acrylic
Bead Structure
Gel & Macroporous
Active Site
Acrylic–NR₂ / N⁺R₃
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Physical & Chemical Specification Sheet — D311

Acrylic-Based Gel & Macroporous Strong and Weak Base Anion Exchange Resins · Polyacrylic Functional Amine
Acrylic–NR₂ / N⁺R₃
Grade Designation
D311
Ionic Form
–
Strong (Weak) Base Capacity (mmol/g)
(≥5.5)
Volume Capacity (mmol/mL)
≥1.3
Water Retention (%)
52–73
Bulk Density (g/mL)
0.65–0.75
Specific Gravity (g/mL)
1.04–1.15
Particle Size Range (%)
0.315–1.25 mm ≥95
Effective Size (mm)
0.4–0.7
Uniformity Coeff.
≤1.6
Whole Bead After Attrition (%)
≥90
Color
White to light yellow
Application & Engineering Notes
Very high exchange capacity and excellent mechanical strength; mainly used for the adsorptive purification of citric acid and Vitamin C and for removing SO₄²⁻, Cl⁻ and NO₃⁻ in food and pharmaceutical processing
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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