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Inspection of butyl rubber insulators on the Lea Valley line on 11.8.74. (TM-ETR-38)

Last updated on 31 March 2014 2:24

Tracking has occurred on butyl rubber covered glass-fibre under-bridge support arms on the Lea Valley line on Eastern Region. Greasing of the insulators with a silicone grease is being used as a palliative until new insulating materials have been evaluated. Greasing of all insulators took place during 1971 and the...

Author(s): Bradwell A

Organisation(s): British Rail Research ;

1974

United Kingdom

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