How do I glue cardboard to pu foam?
When glueing cardboard to pu foam, some preparation helps. You want the best possible bond, for desired results. We've run some tests and we think you'll get desired 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.