A mixture of cation and Anion Purolite MB400 mix bed

Purolite MB-400 is a mixture of high-quality cation exchanger and anion exchanger, intended for deep desalination of water that does not contain silicon.
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Purolite MB 400 Mixed Bed Resin Mixture – 25L

Purolite ready to use mixed bed resins are specially prepared high-quality resin mixtures designed for direct purification of water. They are engineered with different cation and anion component ratios to perform well in any system for any application. Several of the mixed bed resins are available with indicators that facilitate ease of operation when a simple visual indication of exhaustion is desired.

Our general purpose mixed bed products will provide excellent results for industrial applications such as:

Mixed bed polisher after demineralisation system
Electrical discharge machining (EDM)
Partial demineralisation with acrylic weak base anion
Condensate polishing
Mixed bed polisher after reverse osmosis (RO)
Cartridges

Typically mixed bed resins can produce water of 1 to 5 uS/cm while the purer versions can get to 0.5 uS/cm.

Features

Principal Applications

Demineralisation - Mixed Bed
Cartridges

Advantages

General purpose

Systems

Coflow regenerated systems
Counterflow regenerated systems
Mixed Bed
Working Mixed Bed

TYPICAL PHYSICAL & CHEMICAL CHARACTERISTICS:

Appearance	Spherical Beads
Moisture Content (max.)	65 %
Particle Size Range	300 – 1200 µm
< 300 µm (max.)	1 %
Uniformity Coefficient (max.)	1.7
Shipping Weight (approx.)	705 – 740 g/L (44.1 – 46.2 lb/ft³)
Temperature Limit, Non-Regenerable Bed	100 °C (212.0 °F)
Temperature Limit, Regenerable Bed	60 °C (140.0 °F)
Component Name	Gel Strong Acid Cation	Gel Type I Strong Base Anion
Polymer Structure	Gel polystyrene crosslinked with divinylbenzene	Gel polystyrene crosslinked with divinylbenzene
Functional Group	Sulfonic Acid	Type I Quaternary Ammonium
Ionic Form	H+ form	OH– form
Cation / Anion Volumetric Ratio	40 %	60 %