Met-L-Chek® FP-921 is a Level 1 water washable fluorescent penetrant. It is approved to AMS-2644 as a fluorescent (Type 1); Methods “A” and “C”; sensitivity Level 1 water washable inspection penetrant.

APPLICATIONS

FP-921 is approved for low sensitivity aircraft applications

See full list of approvals below

FEATURES

Clear, yellow green liquid, no sediment

Low in sulfur and halogens

Safe for use on all metal surfaces

See below for the full list of approvals