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

Styrene-Based Macroporous Weak Base Anion Exchange Resin

High-capacity tertiary amine macroporous weak base anion resins (D301, D301FC, D301SC) for efficient removal of strong mineral acids (SO₄²⁻, Cl⁻, NO₃⁻) and organic matter, plus coarse-bead D301G engineered specifically for gold recovery.

Optical Bead Specimen
Styrene-DVB · Macroporous
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 Architecture & Functional Chemistry Profile

Anion Exchange Resin · 4 Standardized & Specialty Grades
Total Capacity ≥ 4.8 mmol/g
Polymer Matrix
Styrene-DVB Copolymer
Bead Architecture
Macroporous
Active Functional Group
Tertiary Amine (Weak Base)
Chemical Site / Formula
R–N(CH₃)₂
Standard Ionic / Pore Form
Free Base (FB)
Key Benchmark
Total Capacity ≥ 4.8 mmol/g
Grades in Macroporous Weak Base Anion (4 — Click any grade for individual TDS) Sphericity ≥ 95%

Custom Screening & Ionic Conversion: Extremely high regeneration efficiency with dilute NaOH, NH₄OH, or Na₂CO₃.

ANION EXCHANGE RESIN · LABORATORY & PRODUCTION SPECIFICATIONS

Grade-by-Grade Technical Parameter Table

Click any grade code or TDS button to open its individual printable Technical Data Sheet, or click + RFQ to add multiple grades to your inquiry basket.

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Styrene-Based Macroporous Weak Base Anion Exchange Resin — Physical & Chemical Specifications

R–N(CH₃)₂ · Styrene-DVB · Macroporous · 4 Grades
Total Capacity ≥ 4.8 mmol/g
Technical specifications of Styrene-Based Macroporous Weak Base Anion Exchange Resin
GradeIonic FormTotal Capacity (mmol/g)Volume Capacity (mmol/mL)Water Retention (%)Bulk Density (g/mL)Specific Gravity (g/mL)Particle Size Range (%)Effective Size (mm)Uniformity Coeff.Whole Bead After Attrition (%)Max. Reversible SwellingColorApplications & Technical Remarks TDS / RFQ
D301 Free amine≥4.8≥1.4548–580.65–0.721.03–1.060.315–1.25 mm ≥950.4–0.7≤1.6≥90OH⁻ -> Cl⁻ ≤28%White to light yellowVery 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
TDS
D301FC Free amine≥4.8≥1.4548–580.65–0.721.03–1.060.45–1.25 mm ≥95≥0.5≤1.6≥90OH⁻ -> Cl⁻ ≤30%White to light yellowFloating-bed grade macroporous weak base anion resin
TDS
D301SC Free amine≥4.8≥1.4548–580.65–0.721.03–1.060.35–0.63 mm ≥950.35–0.5≤1.4≥90OH⁻ -> Cl⁻ ≤28%White to light yellowDouble-layer bed upper-layer grade paired with D201SC or 201×7SC
TDS
D301G Cl⁻≥4.2≥1.3548–540.65–0.721.03–1.060.80–1.80 mm ≥95–≤1.5≥90–WhiteCoarse-particle (0.80–1.80 mm) dedicated resin for gold recovery in RIP/CIL hydrometallurgical circuits
TDS
Note: Extremely high regeneration efficiency with dilute NaOH, NH₄OH, or Na₂CO₃. Batch COA supplied with every shipment
CROSS-REFERENCE MATRIX

Comparable International Brand Grades (Macroporous Weak Base Anion)

Reference equivalents from Purolite, Dowex, Amberlite, Lewatit, Diaion, Duolite, and ResinTech based on matrix structure, functional group, and exchange capacity.

⇄ Swipe horizontally to compare all 9 international resin brands

Macroporous Weak Base Anion — International Brand Cross-Reference

PURIONX vs. Purolite · Dowex · Amberlite · Lewatit · Diaion · Duolite · ResinTech · Ion Plus · GOST
1 Indexed Grades
PURIONX grades and comparable grades from other manufacturers
PURIONX Grade Resin Type PuroliteDowexAmberliteLewatitDiaionDuoliteResinTechIon PlusGOST Action
D301 Macroporous WBA A10066IRA94MP62––––A-329S
Purolite, Dowex, Amberlite, Lewatit, Diaion, Duolite and ResinTech are registered trademarks of their respective owners and are referenced solely for technical cross-reference. Verify operating conditions before vessel loading

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

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