This standard prescribes the methods of test for accelerated ageing or heat resistance on vulcanized rubbers in air or oxygen. Two type of test methods are given:
a) By heating in air, and
b) By heating in oxygen.
IS 3400 Pt.4-1978 history
1978IS 3400 Pt.4-1978 Test Methods for Vulcanized Rubber Part IV Accelerated Aging