3M - Aerospace Black Standard, Class B-1/2 Spec Canopy & Windshield Sealant | 051141-57986 NeedsPricing This slick surface tape has

This slick surface tape has a 6

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3M - Aerospace Black Standard, Class B-1/2 Spec Canopy & Windshield Sealant | 051141-57986 NeedsPricing This slick surface tape has3M Aerospace Black Standard, Class B 1 2 Spec Canopy & Windshield Sealant 051141 57986 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.