ResinTech – Specialty Resins – SIR-100-HP

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ResinTech SIR-100-HP is a chloride form macroporous nitrate selective strong base anion resin. SIR-100-HP has a unique functionality that increases selectivity for nitrate and decreases selectivity for sulfate. This results in higher operating capacity, lower leakage, and freedom from nitrate dumping if operated past sulfate break. SIR-100-HP is intended for all nitrate removal applications, and can also be used to remove perchlorate. SIR-100-HP is supplied in the chloride form.


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Manufacturer ResinTech Inc
Series Resin
Model Number Specialty Resins
Part Number SIR-100-HP

Polymer Structure Styrene/DVB
Polymer Type Macroporous
Functional Group Triethylamine
Physical Form Spherical Beads
Ionic Form (as shipped) Chloride Form
Total Capacity 1.0 meq/mL
Water Retention 46 to 65 percent (Cl Form)
Approximate Shipping Weight 41 lbs/cu.ft. (Cl Form)
Screen Size Distribution 16 to 50 (U.S. Mesh)
Maximum Fines Content 1 percent (less than 50 Mesh)
Minimum Sphericity 95 percent
Uniformity Coefficient 1.6 (Approximate)
Resin Color White to tan

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