How do I glue expanded polystyrene to sand mold?
When it comes to fixing expanded polystyrene to sand mold, a little bit of planning 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® 23. A very popular formulation among our user base, TECBOND® 23 is known for medium viscosity multi-purpose adhesive. for fabric, hard wood, soft wood and many plastics.