Tag: penetrant

Can you add an additive to a penetrant?

Another faithful reader and customer asked if there was an additive that could be used to facilitate the electrostatic spraying of penetrant. While the question was innocently made, the person either forget or did not understand that the penetrant in use was a QPL approved material under AMS-2644. As such,...

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Aerosol Spraying and Spraying Technology

AEROSOL SPRAYING Almost every inspector understands that in order to get good penetrant indications, it is necessary to apply a thin coating of developer. This is particularly true when the inspector uses form “d” nonaqueous aerosol developer. We often get questions about other methods of applying form “d” developer, for...

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