How do I glue cardboard to pu foam?
When it comes to fixing cardboard to pu foam, some forward thinking will get you far. You want the best possible bond, for desired results. We've run some tests and we think you'll see the best results 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.