How do I glue expanded polystyrene to pu foam?
When sticking expanded polystyrene to pu foam, some preparation goes a long way. You want the best possible bond, for desired results. We've done some tests and we think you'll see the best results with TECBOND® 420. A highly 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.