ResinTech SIR-150 is a macroporous borate selective weak base anion resin. SIR-150 has unique functionality which makes it extremely selective for borate. Resi nTech SIR-150 is intended for all borate removal applications including potable water, ultrapure water, and boron removal from concentrated brines. SIR-150 is supplied in the free base form.


Polymer StructureStyrene/DVB
Polymer TypeMacroporous
Functional Group


Physical FormSpherical Beads
Ionic Form (as shipped)Free Base
Water Retention46 to 60 percent (Free Base Form) 
Approximate Shipping Weight        39 lbs/cu.ft. (Free Base Form)
Screen Size Distribution 16 to 50 (U.S. Mesh)
Maximum Fines Content1 percent (less than 50 Mesh)
Minimum Sphericity95 percent
Uniformity Coefficient1.6 (Approximate)
Resin ColorTan

All resin/carbon purchases processed via this website will be samples only, packaged in 16oz. plastic jars.
For larger quantities please email

NOTE: Weights reflect an average packout weight over time. Actual weights may vary by +/- 1 lb.

Please allow up to 5 business days from the date of your order for processing. After processing is complete, your order will be shipped out according to the shipping option you chose when ordering. For orders being shipped outside of the USA, please allow 4 weeks due to possible delays through customs.

View Data SheetSDS File

More products from this category

For more informaton

856-768-9600EMAIL US

The ResinTech Family of Companies

ACM Technologies    Aries Filterworks

Contact a ResinTech Team Member