Precious Metal Selective, Chelating Exchange Resin, Macroporous, Freebase Form

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ResinTech SIR-400 is a free base form macroporous chelating weakly basic anion resin. Its unique functionality makes it selective for mercury and other heavy metals as well as for noble metals when present as cations. SIR-400 is intended for mercury removal and removal/recovery of various precious metals.

  • Precious Metals Recovery

  • Mercury Reduction

Typical Properties

Polymer Matrix Styrenic Macroporous
Ionic Form Free Base
Functional Group Thiouronium
Physical Form Spherical Beads
Color White to Tan
Particle Size 16 to 50 US Mesh (297 - 1190 μm)
Minimum Sphericity 95%
Uniformity Coefficient 1.6
Temperature Limit 212°F (100°C)
Total Exchange Capacity (meq/mL) 1.6
Moisture Retention 35% to 50%
Shipping Weight 43 - 45 lbs/ft³ (689 - 721 g/L)
REACH Registered YES

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