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June 11th, 2007
Water Repellancy That's Durable?
New advances in nanotechnology may mean Durable Water Repellant - DWR - treatments for waterproof fabrics that actually are durable.
Current DWRs tend to be relatively short lived, so eventually the outside of a waterproof jacket stops repelling water and becomes saturated or 'wets out'. Once that's happened, no matter how breathable the fabric, its ability to pass moisture vapour outwards is massively reduced and you quickly become damp from condensation.
That could be set to change with an Oxford-based company called P2i Ltd getting Euro accreditation for its operations. The company's treatment uses something called ion-mask to apply a nanotechnology surface treatment to the entire surface of a product which is only nanometers thick.
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