Borate Selective, Weak Base Anion Exchange Resin, Macroporous, Free Base Form

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ResinTech SIR-150 is a borate selective macroporous chelating weak base anion resin. Its unique functionality provides exceedingly high selectivity for boron in almost any aqueous solution, yet can be regenerated with acid and then neutralized with various alkaline salts prior to use. SIR-150 is intended for all borate removal applications including potable water, ultrapure water, and boron removal from concentrated brines.

  • Boron Reduction - Potable Water

  • Boron Reduction - Brine

  • Boron Reduction - Ultrapure Water

Typical Properties

Polymer Matrix Styrenic Macroporous
Ionic Form Free Base
Functional Group Methylglucamine
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 Free Base → Cl 15% to 20%
Temperature Limit 170°F (77°C)
Total Exchange Capacity (meq/mL) 0.8
Moisture Retention 46% to 60%
Shipping Weight 38 - 40 lbs/ft³ (609 - 641 g/L)
REACH Registered YES
Regenerability TRUE

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