MHP Seam Sealer is a one component polyurethane sealant and adhesive and is ideal for a number of automotive applications. It will permanently seal and stick body panels and trim. Will seal around windows, doors, lights etc. It will stick to most materials such as steel, aluminium, glass and most plastics.MHP PU Seam Sealer is an adhesive and sealant that can be used on the following surfaces:•Steel, aluminium, brass, iron•Fibre Glass and most plastics•Glass•Wood•Ceramics•PaintSurfaces should be clean and dry and free from grease. Application: Apply with a standard cartridge caulking gun. 30-60 mins to skin. 24 hours to cure through at 23ºC and relative humidity of 50%. MHP Seam Sealer may be over-painted with most paint systems once fully cured. Can be over-painted once it has skinned if using polyurethane paints.