3M AC-251 B-1/2 Aerospace Sealant

From $81.89

3M Aerospace Sealant AC-251 Class B is a two-part, quick curing, polysulfide based canopy and windshield sealant. It is formulated for sealing acrylic, glass, and polycarbonate aircraft canopies and windshields. B-1/2 represents a minimum application life of 1/2 hour.

Technical Information

Product Type Specialty Sealant
Product Form Paste

Product Information

Features:

Maintains flexibility and bond strength for reliable performance on aircraft transparencies
Contains no added solvents to prevent crazing on transparent surfaces
Formulated to resist UV degradation
Black color provides clean exterior mold lines
Non-sag formula is easy to mix and apply by injection dispenser or spatula for fast application time