ResinTech – Specialty Resins – RSM-25

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ResinTech RSM-25 is a sodium form macroporous highly crosslinked strong acid cation resin. RSM-25 provides extended throughputs for radium removal applications.  RSM-25 is intended for single use radium removal applications. RSM-25 is supplied in the sodium form.


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Manufacturer ResinTech Inc
Series Resin
Model Number Specialty Resins
Part Number RSM-25

Polymer Structure Styrene/DVB
Polymer Type Macroporous
Functional Group Sulfonic Acid
Physical Form Spherical Beads
Ionic Form (as shipped) Sodium Form
Total capacity > 1.8 meq/mL (Na Form)
Water Retention 45 to 55 percent (Na Form)
Approximate Shipping Weight 49 lbs/cu.ft. (Na Form)
Screen Size Distribution 16 to 50 (U.S. Mesh)
Maximum Fines Content 1 percent (less than 50 Mesh)
Minimum Sphericity 90 percent
Uniformity Coefficient 1.6 (Approximate)
Resin Color Tan

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