NDT Water Washable Fluorescent Penetrant Test

[@witsarootkongum4430]

So good !!!

[@alitagizade6337]

Did u apply developer?

[@salmanthahah8784]

How much dwell time for fluroscent penetration

[@eishinkagakuofficial4434]

Thank you for your comment.
There is no fix correct dwell time for fluorescent penetration .It is set by the inspector under various conditions and trials.

[@salmanthahah8784]

Ooh..Thank you

[@vilukantsaini4632]

U r not apply developer on job