Flaw Detector Penetrant Highly Visible Red Dye 400ml1030530 (30289-AA)Red coloured, water washable penetrant for non-destructive testing of metal surfaces. The penetrant wicks into tiny flaws within 10 minutes. Excess penetrant should be removed before using the developer.
Highly visible red dye
Wicks in to defects down to 20μm
Very easy to use & cost effective