Antimony & Silica Selective, Hybrid Anion Exchange Resin, Chloride Form

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ResinTech ASM-125 is a chloride form antimony selective hybrid gel type 1 strong base anion resin. Hydrated iron oxide is monoatomically dispersed throughout the polymer, giving the product hybrid properties and exceptional capacity for radionuclides such as Antimony 125 and for neutral silica, while retaining its strong base capacity for anionic contaminants. ASM-125 is intended for the removal of antimony125 and other radionuclides from radwaste.

  • Antimony Reduction

  • Silica Reduction

Typical Properties

Polymer Matrix Styrenic Gel
Ionic Form Chloride
Functional Group Iron oxide Hybrid / Triethylamine
Physical Form Spherical Beads
Color Black
Particle Size 16 to 50 US Mesh (297 - 1190 μm)
Minimum Sphericity 93%
Uniformity Coefficient 1.6
Temperature Limit 250°F (121°C)
Total Exchange Capacity (meq/mL) 1.4
Moisture Retention 35% to 50%
Shipping Weight 48 - 50 lbs/ft³ (769 - 801 g/L)
REACH Registered YES

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