Principal Applications

  • Softening - Industrial
  • Softening - Potable Water
  • Food and beverage processing
  • Demineralization when regenerated with acids


  • Highest regeneration efficiency
  • Highly effective iron removal
  • Highest salt efficiency
  • Lower rinse volumes
  • Excellent physical and chemical stability


  • Coflow regenerated systems
  • Potable water treatment

Regulatory Approvals

  • Certified by the WQA to NSF/ANSI-61 Standard

Typical Packaging

  • 1 ft³ Sack
  • 25 L Sack
  • 5 ft³ Drum (Fiber)
  • 1 m³ Supersack
  • 42 ft³ Supersack

* SST® is a registered trademark of Purolite Corporation.

Typical Physical & Chemical Characteristics:

Polymer Structure Gel polystyrene crosslinked with divinylbenzene
Appearance Spherical Beads
Functional Group Sulfonic Acid
Ionic Form Na+
Dry Weight Capacity (min.) 3.8 eq/kg (Na+ form)
Moisture Retention 36 - 46 % (Na+ form)
Particle Size Range 300 - 1200 µm
< 300 µm (max.) 1 %
Uniformity Coefficient (max.) 1.7
Reversible Swelling, Na+ → H+ (max.) 6 %
Shipping Weight (approx.) 775 - 825 g/L (48.4 - 51.6 lb/ft³)
Temperature Limit 60 °C (140.0 °F)

The statements, technical information and recommendations contained herein are believed to be accurate as of the date hereof. Since the conditions and methods of use of the product and of the information referred to herein are beyond our control, Purolite expressly disclaims any and all liability as to any results obtained or arising from any use of the product or reliance on such information; NO WARRANTY OF FITNESS FOR ANY PARTICULAR PURPOSE, WARRANTY OF MERCHANTABILITY OR ANY OTHER WARRANTY, EXPRESSED OR IMPLIED, IS MADE CONCERNING THE GOODS DESCRIBED OR THE INFORMATION PROVIDED HEREIN. The information provided herein relates only to the specific product designated and may not be applicable when such product is used in combination with other materials or in any process. Nothing contained herein constitutes a license to practice under any patent and it should not be construed as an inducement to infringe any patent and the user is advised to take appropriate steps to be sure that any proposed use of the product will not result in patent infringement.