De-Min Resin


  • High capacity mixed bed ion exchange resin
  • Suitable for regenerative or non-regenerative cartridges
  • Deionization with high silica removal efficiency
  • Refines water for a range of appliances
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De-Min Resin


RA370 is a high capacity mixed bed ion exchange resin for direct water purification and demineralization.

Demineralization, also referred to deionization, is typically described as the removal of all cations (e.g. calcium, magnesium, sodium, potassium, iron and other heavy metals) and anions (e.g. bicarbonate alkalinity, chloride, sulfate, nitrate, silica and CO2) from a solution in exchange for H+ and OH- ions. This reduces the total dissolved solids of the solution.  This is required for many sensitive processes, such as high pressure boiler operation, food and pharmaceutical applications, and electronics production.

Cation and anion resins can also be mixed together in a single vessel as a mixed bed for primary demineralization or as a polishing step following a two bed or multi-bed system.

Description courtesy of Purolite




RA370 De-Min Resin is supplied as:

25L Bags

48 Bags per Pallet


RA370 is used for:
  • Water purification
  • Deionization
  • Refining water for a range of appliances
  • Efficient high silica removal

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