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3M AC-251 Class B-1/2 Aerospace Sealant is a two-part, quick curing, polysulfide-based canopy and windshield sealant.

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3M AC-251 B-1/2 Aerospace Sealant 3.5 oz Kit (Includes Adhesion Promoter AC-137 Red)

GracoRoberts P/N: 121671-100
$174.81
Estimated lead time 80 business days
Please order in multiples of 24

Additional Requirements

Required Items

3M AC-251 Class B-1/2 Aerospace Sealant is a two-part, quick curing, polysulfide-based canopy and windshield sealant.

Technical Information

  • Product Type Specialty Sealant
  • Product Form Paste

Product Information

This product is formulated for sealing acrylic, glass, and polycarbonate aircraft canopies and windshields. It contains no solvents, does not craze and quickly cures, exhibiting excellent adhesion and resistance to UV and weather exposure. 3M AC-251 Class B Sealant has a thixotropic, non-sag consistency and can be readily applied with a spatula or extrusion gun on vertical surfaces.

Applications:

  • Canopy and windshield sealant
  • Exterior moldline applications

Data Sheets

No Datasheets Available

Product Properties

Brand
3M
Manufacturer
3M
Product Type
Specialty Sealant
Product Form
Paste
Product Size
3.5 oz Kit
Manufacturer Part #
7010370266
Country Of Origin
United States

Additional Content

Request a Technical Consultation
Request a Technical Consultation
3M Brand Page
3M Brand Page
3M Aerospace Brochure
3M Aerospace Brochure

Shipping Information

For information about the available delivery options please visit our Shipping Guide.

Some products in our catalog are classified as Hazardous for shipping so some restrictions and/or additional shipping fees may apply.