Mixed Bed Resin Cartridge – 20 Inch


  • Premium Refillable Deionising Cartridge, Used as a final stage after reverse osmosis, for the demineralisation of water in the production of ultra pure water.
  • 20″x2.5″ or 20″x4.5″ Cartridge / FREE Delivery
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SKU: 20"x2.5" DI -1292 MD Category: Tags: , ,

20 Inch Mixed Bed Resin Cartridge, Big Blue Refillable Deionising Resin Filter Cartridge

For the demineralisation of water in the production of ultra pure water UPW (18 MOhm*cm at 25°C / 0.06 µS/cm).

This Premium Mixed Bed DI Resin is used to ‘polish’ the water to higher levels of purity after it has been initially treated by either a Reverse Osmosis system.

20 inch Cartridges with mixed bed resins provide TDS values as low as 0 ppm (inlet feed water TDS < 9 ppm).

Mixed Bed Resin Filter Cartridge includes:

One refillable 20″ x 2.5″ canister and 1,140 gr of DI resin (in canister).
Or one refillable 20″ x 4.5″ big blue canister and 2,300 gr of DI resin (in canister).

The high grade gel type components are purified to achieve highest purity water conditions.
Due to a special conversion process of the SBA component, Lewatit® Ultrapure 1292 MD has a very high capacity for boron and silica.

Lewatit® UltraPure 1292 MD is a ready-to-use mixed bed comprising a gel type strongly acidic cation exchange resin (SAC) and a gel type, strongly basic anion exchange resin (SBA, type I), individually with a monodispersed bead size distribution (uniform particles) based an a styrene-divinylbenzene copolymer for the use in working/regenerable and polishing/non-regenerable systems for the production of ultra pure water.

The monodisperse beads (uniformity coefficient: max. 1.1) are chemically and osmotically highly stable. The optimized kinetics lead to an increased operating capacity, and the very low content of fines also results in a low pressure drop compared to ion exchange resins with heterodisperse bead size distribution.

It is correspondingly adjusted to the total capacity of the individual components to an equivalent ratio of 1:1. In the regeneration step of a regenerable mixed bed, cation and anion exchange resins are clearly separated for providing a better quality of the service water.

UltraPure 1292 MD is highly regenerated and specially cleaned for meeting the specifications of the semiconductor industry. Leaching of organics from Lewatit® UltraPure 1292 MD into the treated water is reduced to a level less than 10 ppb, and its resistivity achieves a level higher than 18 MOhm*cm.

DI Resin Made In Germany by Lanxess.

Mixed Bed Resin Applications

- UltraPure Water.
- Fine Purification, Polishing.
- Pharmaceutical industry.
- Biotechnology Purification in the foodstuff-industry Food industry.
- Fine Purification.
- Polishing Electronics Industry.
- Water Treatment.
- DI (Deionisation), Demi (Demineralisation).
- Window cleaning, car washing and aquariums, etc.

Technical Data Sheet


FREE deliver Australia wide.

Contact us for more info, pricing and availability.

Additional information

Cartridge Size

20"x2.5", 20"x4.5"


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