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NEW SYNTHETIC 'RUBBER FOR PROTECTIVE COATING

27th May 1955, Page 41
27th May 1955
Page 41
Page 41, 27th May 1955 — NEW SYNTHETIC 'RUBBER FOR PROTECTIVE COATING
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r-k A NEW synthetic rubber which is

stated to be completely resistant to ozone cracking and dispenses with the need for carbon-black reinforcement has been perfected by the American Du Pont organization. It is called Hypalon and is distributed in this country by Durham Raw Materials, Ltd.

Hypalou is of value to tyre and accessory manufacturers, as it can be compounded on a mill or in a Banbury mixer in the usual way. It can be reduced to a solution by the action of suitable solvents and applied as a thin protective coating to other rubbers by brush or spray.

The Du Pont laboratories have carried out extensive tests, applying Hypalon coatings to black and whitesidewall tyres, and 'accelerator' and brake pedals. In the tyre tests, several thousand miles of service proved that Hypalon's resistance • to scuffing and abrasion was good, its adhesion goal:ties adequate and flex life high.