Description: HM-406 is a level 2, Method A water-washable fluorescent penetrant for inspecting castings, extrusions and similar parts. HM-406 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. HM-406 has been used by aerospace, airframe, turbine engine, and missile manufacturers for over a decade.
Penetrant System Category
Fluorescent Type, Water-Washable Level 2
Specifications
QPL SAE AMS 2644
Method A, Method C
ISO 3452-2
ASTM E1417, E165,
AMS 2647
