This standard specifies accelerated ageing or heat resistance tests on
vulcanized or thermoplastic rubbers. Two methods are given: Method A:
air-oven method using a cell-type oven or cabinet oven with low air
speed and a ventilation of 3 to 10 changes per hour; Method B: air-oven
method using a cabinet oven with forced air circulation by means of a
fan and a ventilation of 3 to 10 changes per hour.