3M AC-251 Black B-2 Windshield and Canopy Sealant, 3.5 oz Kit, 051141-57989
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3M AC-251 Black Class B is a two-part, manganese dioxide cured polysulfide sealant for aircraft windshields, windows and canopies. When mixed it forms a thixotropic paste that is dispensed with a cartridge applicator or spatula. It suits acrylic, glass and polycarbonate transparencies and exterior mould line applications.
- Contains no added solvents, to prevent crazing on transparent surfaces
- Resistant to UV exposure and weathering
- Non-sag formula holds its shape on vertical and horizontal surfaces
- Black colour for clean exterior mould lines
- Compatible with 3M Adhesion Promoter AC-137 Red or Clear
- Made under a 3M quality management system registered to AS9100
Tech Spec
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