HM-704 Fluorescent Water Wash Penetrant is a level 4, Method A water wash fluorescent penetrant for inspecting smooth surfaces. HM-704 is an ultra sensitive penetrant for use on a variety of materials, including aluminum and magnesium. Complies with low sulfur and low halogen requirements.
Penetrant System Category
Fluorescent Type Water-wash Level 4
QPL SAE AMS 2644 Method Method A, Method C