ResinTech – Specialty Resins – BSM-50

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ResinTech BSM-50 is a borate form  hybrid anion resin selective for silica and antimony. BSM-50 contains hydrated iron oxide crystals monotonically dispersed throughout the polymer. It absorbs antimony, silica, and other contaminants by a combination of ion exchange and adsorption.  BSM-50 is intended for removing trace levels of antimony and can also be used to remove silica from borated process waters.  BSM-50 is supplied in the borate form.


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Manufacturer ResinTech Inc
Series Resin
Model Number Specialty Resins
Part Number BSM-50

Polymer Structure Styrene/DVB
Polymer Type Gel
Functional Group Hybrid
Physical Form Spherical Beads
Ionic Form (as shipped) Borate
Water Retention 35 to 50 percent (BO Form)
Approximate Shipping Weight 51 lbs/cu.ft. (BO Form)
Screen Size Distribution 16 to 50 (U.S. Mesh)
Maximum Fines Content 1 percent (less than 50 Mesh)
Minimum Sphericity 93 percent
Uniformity Coefficient 1.6 (Approximate)
Resin Color Black

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