3M Aerospace Sealant AC-251
3M Aerospace Sealant AC-251 is a two-part, manganese dioxide cured, polysulfide based sealant for aircraft windshields, canopies and windows. This quick curing product is easy to tool, and the non-sag formula holds its shape on vertical and horizontal surfaces. AC-251 is effective for acrylic, glass, and polycarbonate aircraft transparencies and exterior mould line applications.
Details
- Maintains flexibility and bond strength for reliable performance on aircraft transparencies
- Contains no added solvents to prevent crazing on transparent surfaces
- Formulated to resist UV degradation
- Black colour provides clean exterior mould lines
- Non-sag formula is easy to mix and apply by injection dispenser or spatula for fast application time
- Qualified to multiple aerospace material specifications
