RapidFix is an advanced polymer adhesive that can quickly - sometimes instantly - bond most materials to themselves or another material. The welding powder is a complementary formulation that enables even stronger bonds, and can repair holes, cracks, and gaps. For some applications, the welding powder can even function like solder or traditional heat welding. Areas treated with RapidFix can be filed, sanded, and painted almost immediately. This product is great to have in your tool box in case of emergency.