Brine Softening, Chelating Exchange Resin, Acrylic Macroporous Gel, Sodium Form

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ResinTech SIR-500 is a sodium form macroporous chelating weak acid cation resin. Its unique chelating functionality is particularly selective for alkaline earth metals such as calcium and divalent transition metals such as copper and nickel. pH adjustment is usually required before first use. SIR-500 is intended for the removal of hardness from saturated brine and the removal of various metals from wastewater and process streams.

  • Brine Softening

  • Trace Metals Reduction

Typical Properties

Polymer Matrix Styrenic Macroporous
Ionic Form Sodium
Functional Group Aminophosphonic
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
Reversable Swelling H → Na 35% to 45%
Temperature Limit 212°F (100°C)
Total Exchange Capacity (meq/mL) 1.7
Moisture Retention 50% to 70%
Shipping Weight 40 - 42 lbs/ft³ (641 - 673 g/L)
REACH Registered YES
Regenerability TRUE

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