Chlorinated polyethylene elastomer composition having enhanced r

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...

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524114, 524296, 524297, 524321, 524399, 524400, 524417, 524423, 524424, 524427, 524445, 524447, 524449, 524451, 524472, 524530, C08K 500, C08K 300, C08K 304, C08G 804

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047539712

ABSTRACT:
Peroxide vulcanizable chlorinated polyethylene compositions can, after being press cured at a temperature of 204.degree. Centigrade for a period of ten minutes, withstand ozone-induced cracking for a period of 168 hours or more when elongated 60% and exposed to 200 parts of ozone per hundred million parts of air at a temperature of 400.degree. Centigrade.

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