RC-77 is a level 4, Method B & D non-water washable fluorescent penetrant for
inspecting castings, extrusions and similar parts

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RC-77 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. RC-77 has been used by aerospace, airframe, turbine engine and missile
manufacturers for over a decade.

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