How do I glue pu foam to cardboard?
When sticking pu foam to cardboard, a little bit of preparation will get you far. You want the best possible bond, for desired results. We've run the numbers and we think you'll have the best time with TECBOND® 420. A very popular formulation among our customer base, TECBOND® 420 is known for high viscosity, very long open time used for packaging, upholstery or vacuum formed foams as well as cotton-backed vinyl.