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IWE Water Softener Resin – Datasheet


KW8 Water Softener ResinDatasheet


IWEKW-8 Water Softener Resin is a high purity, premium grade, pretreated, strongly acidic gel-type cation exchange resin specially designed for residential drinking water treatment. The IWEKW-8 is a bead type, cross linked, polystyrene divinylbenzene resin that offers excellent bead integrity and very low extractable.

The product is highly suitable for a wide variety of drinking water treatment applications. IWEKW-8 has a light amber colour and is specially pretreated to remove base, odour and colour. IWEKW-8 meets the requirements of FDA regulation CFR section 21, 173.25, European ResAP (2004) and WRAS BS6920.

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Typical Properties
TypeCrosslinked polystyrene divinylbenzene
FormGel-type spherical beads
Functional groupSunfonic acid/Quaternary Ammonium, Type 1
Whole bead count95% min
Ionic form as shippedH/OH
Bead Size16x40 US Mesh (0.45 - 1.20 mm)
Effective size0.50 - 0.07mm
Bulk density730 kg/m3
Volume ratio1:1
Water retention45 - 55%
Operating capacity approxCation : 0.85 eq/l, Anion : 0.40 eq/l
Volume change regenerated > loaded15% max
Stability, pH0-14
Standard Design Considerations
Bed depth>600 mm
service flow rate8-40 BV/h
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Key Features & Benefits

Pretreated and Rinsed

Guarantees minimal colour throw and eliminates taste and odour.

Low Extractables – FDA Compliance

Specially treated to eliminate leaching of organic matter, assuring compliance with FDA regulation CFR section 21, 173.25.

European ResAP (2004) 3 Approved

Meets European Council resolution AP (2004) 3 for use in the processing of foodstuffs.

WRAS BS 6920 Approved

BS 6920 for cold water and hot water up to 85ºC

Typical Applications

Residential Softening

Industrial Softening

Municipal Softening

Standard Packaging

25 Ltr PE Valve Bag

1000 Ltr Big Bag

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