Casting Rubber to Metal, Polyurethane Wheels For Longboard | Lets Machine This
We are preparing the wheels for polyurethane. First step is to wash the wheels and tape the sides you don't want sandblasted. Second step is to blast the wheels. Third paint on polyurethane primer on the sandblasted surfaces. Fourth mix up polyurethane. Fifth degas polyurethane. Sixth place wheel into mold to pour degassed polyurethane.