3M - Aerospace Black Standard, Class B-1/2 Spec Canopy & Windshield Sealant | 051141-57983 BoostShip ShippingTag Series = W31

Series = W31

303(h) for assured reliability

including landscape and portrait mode

Dead-soft aluminum foil backing with a pressure sensitive acrylic adhesive

3M - Aerospace Black Standard, Class B-1/2 Spec Canopy & Windshield Sealant | 051141-57983 BoostShip ShippingTag Series = W313M Aerospace Black Standard, Class B 1 2 Spec Canopy & Windshield Sealant 051141 57983 3M Aerospace Sealant AC 251 Class B are two part, quick curing, polysulfide based canopy and windshield sealants. These products are formulated for sealing acrylic, glass, and polycarbonate aircraft canopies and windshields. They contain no solvents and do not craze. The sealants quickly cure and exhibit excellent adhesion and resistance to UV and weather exposure.