DP-51 is water washable visible penetrant used to locate cracks, laps, pores, lack of bonding, and similar surface flaws. DP-51 can be used on nonporous parts including both ferrous and nonferrous metals, ceramics, and glass and some plastics. Referred to as the visible dye penetrant method or color contrast method of inspection and can be used for weld inspection.
Visible – Type 2
Water-Washable (Methods A&C)
Specifications:
QPL SAE AMS 2644
ASTM E1417, E165
ISO 3452-2
