| 摘要 |
<p>A building material having a durable exterior finish comprising a substrate laminated with a fluorohydrocarbon protective film. The protective film provides the substrate with resistance to weathering and maintains the surface texture of the underlying substrate while providing an aesthetically pleasing and uniform pre-finish on the exterior surface. The protective film is bonded to the substrate using an adhesive composition comprised of a one-component moisture cure polyurethane or polyurea adhesive composition having a reactive isocyanate compound or a two component polyurethane or polyurea composition.</p> |
