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