CableDataSheet, Cable and Wire Technical Consulting Service

BS 6387 Flame temperature and duration of test

The flame temperature used and the duration of the test shall be selected from the following categories:

category A 650 ± 40 °C for 3 h
category B 750 ± 40 °C for 3 h
category C 950 ± 40 °C for 3 h
category S 950 ± 40 °C for 20 min.