3M AC-137 Adhesion Promoter
3M AC-137 Adhesion Promoter is used to promote adhesion of the separately sold 3M Polysulfide Sealant AC-251 Class B when used on polycarbonate, acrylic, glass, metal and/or solvent resistant coatings.
- Product Type Primer
This product was formulated to enhance adhesion of polysulfide sealants to windshields, canopies and windows without damaging vulnerable substrates. AC-137 contains mixed solvents blended with a surface activator agent that produces a robust adhesion promoter, maximizing adhesion for aircraft sealants creates long-term benefits and extended service life.
- Allows for faster initial adhesion build rate of polysulfide sealant used on windshields, canopies and windows
- One component product for simple application
- Formula prevents crazing on transparent surfaces
- May be applied to solvent-cleaned surfaces with a clean brush or gauze
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