DP-40 is a non-water washable visible penetrant used to locate cracks, laps, pores, lack of bonding, and similar surface flaws.

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DP-40 can be used on nonporous parts including both ferrous and nonferrous metals, ceramics, and glass. Referred to as the “visible dye” penetrant method or “color contrast” method of inspection for weld inspection.

Sold in: One Gallon cans, Five Gallon cans, 55 Gallon Drums, Aerosol cans.

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