Description: HM-604 is a level 3, Method A water washable fluorescent penetrant for inspecting castings, extrusions and similar parts. HM-604 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-604 has been used by aerospace, airframe, turbine engine and missile manufacturers for over a decade.
This product complies with REACH regulation
Penetrant System Category
Fluorescent Type, Water-Washable Level 3
Specifications
QPL SAE AMS 2644
Method A, Method C
ASTM E1417, E165
AMS 2647, 3156