FP-22B Sherwin Fluorescent Post Emulsifable Penetrant Level 2
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FP-22B is a level 2, Method B & D non-water washable fluorescent penetrant for inspecting castings, extrusions and similar parts. FP-22B is a versatile, general purpose penetrant for use on a variety of materials, including aluminum and magnesium. Complies with low sulfur and low halogen requirements.

