Historical
SAE AMS 3040D-2008 (SAE AMS3040D-2008)
Magnetic Particles, Nonfluorescent, Dry Method
This specification covers nonfluorescent, magnetic particles having black, red, gray, or other color, as specified, supplied in the form of dry powders. This product is used typically as an inspection medium in a dry magnetic particle inspection process in accordance with ASTM E 1444, but usage is not limited to such application.
Society of Automotive Engineers [sae]