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Spark Testing Rubber Lined Tanks

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rsauk

Materials
Joined
Aug 7, 2000
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12
Location
GB
our inspection requirement is to 'spark test' a carbon steel
rubber lined tank..
Unfortunately the rubber is now conductive due to long term exposure of Phosphoric acid.
This results in positive response from testing eqipment.

Has anybody experienced this and is there a different approach.
 
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