Fluorescent Penetrant Testing - NDT Inspection Technique

Learn more about NDT inspection here: bit.ly/20ip8QM
The Fluorescent penetrant examination method is an effective means for detecting discontinuities which are open to the surface of nonporous metals and other materials such as metals, plastics, glass and ceramics e.g. typical discontinuities detectable by this method are cracks, seams, laps, cold shuts, laminations, and porosity.
The Penetrant contains either a colored dye easily seen in white light or a fluorescent dye visible under black (ultraviolet) light. The penetrant is applied by dipping, spraying, brushing, or flowing. After penetrant application, a sufficient time (dwell time) is provided to permit the penetrant to permeate the flaw.
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[@heathreeves6327]

I used to perform this method. Now I'm writing my first book.

[@bobdarkgamerofthesith2500]

Bruh, you dont cake the developer on for Fluorescent Penetrant. Doi.

[@axelf4515]

You do actually for more than 10 minutes up to 60min

[@lancepelkey7833]

You're right. Way too much developer for fluorescent penetrant. It should be a dusting.