Titebond Polyurethane Glue is a breakthrough in adhesive technology. It is the only polyurethane glue to combine a long 20 minute working time with a short 45 minute clamp time. It is a versatile, professional-strength glue specifically formulated for multi-purpose applications.In addition to its superior wood-to-wood performance, Titebond Polyurethane Glue is ideal for metals, ceramics, most plastics, HPL, Corain???, stone and other porous/non-porous materials. It is ready-to-use, offers excellent sandability and is unaffected by finishes.