Polyurethane hot melt adhesive This thicker formulation hot melt adhesive is specifically designed for wood and wood composite applications Offers a low viscosity and a faster set time making it ideal for more rapid operations Permanently bonds in 30 seconds Eliminates the need for nails, staples, screws, and other mechanical fasteners in most applications For interior and exterior use Waterproof Solvent free and nonflammable Use the HiPURformer adhesive applicator (3700-9958) to apply 50 gram cartridge