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BS 6921:1988 Method for evaluation of the thermal endurance of flexible sheet electrical insulating materials using the wrapped tube method
standard by BSI Group, 12/30/1988
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Full Description
Provides an evaluation by measuring the breakdown voltage after being subjected to selected exposure temperatures corresponding to an extrapolated 20 000 h time to failure.Cross References:
BS 903:Part C4
BS 2782:Part 2:Methods 220 and 221
BS 2918
BS 5691:Part 1
BS 5691:Part 2
IEC 216-3
IEC 216-4