ResinTech CG8-F is a sodium form 8% crosslinked gel strong acid cation resin. CG8-F is a very fine mesh resin with high surface area and a short diffusion path from the surface to the center of the bead. ResinTech CG8-F is intended for use in applications such as iron removal where extra surface area and a short diffusion path are needed for improved kinetics and/or when operating in high TDS solutions. CG8-F is available in the sodium.

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NSF/ANSI-61 Certified for Material Safety
WQA Gold Seal Certified when ordered as CG8-F-HP 


Polymer StructureStyrene/DVB
Polymer TypeGel
Functional GroupSulfonic Acid
Physical FormSpherical Beads
Ionic Form (as shipped)Sodium 
Total capacity> 2.0 meq/mL (Na Form)
Water Retention42 to 52 percent (Na Form)
Approximate Shipping Weight        51 lbs/cu.ft. (Na Form)
Screen Size Distribution 30 to 50 (U.S. Mesh)
Maximum Fines Content30 percent (less than 50 Mesh)
Minimum Sphericity93 percent
Uniformity Coefficient1.4 (Approximate)
Resin ColorAmber

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

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