CR-8 NA
Cation Water Softener Resin

C-8 NA - STRONG ACID CATION EXCHANGE RESIN
For use in non-drinking water softening applications

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C8-NA resin is a high-capacity, bead-form, conventional gel polystyrene sulfonate cation exchange resin ready for use in household or industrial water conditioning equipment. It removes hardness ions, e.g. calcium and magnesium, replacing them with sodium ions. When the resin bed is exhausted so that the hardness ions begin to break through in the effluent, capacity is restored by regeneration with common salt. The capacity obtained depends largely on the amount of salt used in the regeneration.

C8-NA resin is also capable of removing in the same way dissolved iron, manganese, and also suspended matter by virtue of the filtering action of the bed. C8-NA resin is in compliance with the U. S. Food and Drugs Code of the Federal Regulations section 21 paragraph 173.25.

Polymer Matrix Structure 8% Polystyrene crosslinked with Divinylbenzene Physical Form and Appearance Clear spherical beads Whole Bead Count 90% min. Functional Groups Polystyrene sulfonate Ionic Form as shipped Na Shipping Weight, approx. 850 g/l 53 lb./ft.3 Screen SizeBritish Standard ScreenU.S. Standard Screen 14-52 mesh, wet16-50 mesh, wet Particle Size Range _1.2 mm < 5%, -0.3 mm<1% Moisture retention, Na+ form 44-48% Swelling, Na+->H+ 5% max. Specific Gravity, Moist, Na Form 1.29 Total Exchange Capacity, Na+ Formwet, volumetricDry, weight 2.0 eq/l min.4.5 eq/kg min. Operating Temperature, Na+ Form 150ºF max. pH Range, StabilityOperating Na+ cycle 6-10

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