HM-1 Sherwin Fluorescent Water Wash Penetrant Level 1/2
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HM-1 is a level 1/2, Method A water washable fluorescent penetrant for inspecting castings, extrusions and similar parts. HM-1 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.

