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

PURIONX D301

Very high mechanical strength, osmotic strength and working capacity. Mainly used to remove strong acid anions from water; FC grade for floating beds, SC grade for double-layer beds

Ionic Form
Free amine
Total Capacity (mmol/g)
≥4.8
Volume Capacity (mmol/mL)
≥1.45
Water Retention (%)
48–58
Bulk Density (g/mL)
0.65–0.72
Optical Bead Specimen
Macroporous Weak Base Anion · D301
R–N(CH₃)₂
Macroporous Weak Base Anion resin beads in a laboratory petri dish
0.315–1.25 mm
Appearance:Milky-white with soft pale yellow tint opaque spherical beads
Polymer Matrix
Styrene-DVB
Bead Structure
Macroporous
Active Site
R–N(CH₃)₂
Request Quote / Sample

Physical & Chemical Specification Sheet — D301

Styrene-Based Macroporous Weak Base Anion Exchange Resin · Tertiary Amine (Weak Base)
R–N(CH₃)₂
Grade Designation
D301
Ionic Form
Free amine
Total Capacity (mmol/g)
≥4.8
Volume Capacity (mmol/mL)
≥1.45
Water Retention (%)
48–58
Bulk Density (g/mL)
0.65–0.72
Specific Gravity (g/mL)
1.03–1.06
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
Max. Reversible Swelling
OH⁻ -> Cl⁻ ≤28%
Color
White to light yellow
Application & Engineering Notes
Very high mechanical strength, osmotic strength and working capacity. Mainly used to remove strong acid anions from water; FC grade for floating beds, SC grade for double-layer beds
Custom particle size screening & ionic conversion available. COA issued per lot

Comparable International Brand Equivalents

Drop-in evaluation reference for D301
Purolite
A100
Dowex
66
Amberlite
IRA94
Lewatit
MP62
GOST
A-329S
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.

Need a Technical Quotation, Batch COA, or 500 mL Evaluation Sample?

Specify your target resin grade (or competitor model), vessel volume, and destination port. Our engineering team responds with a formal quotation, batch COA, and sample dispatch terms.