E.R. Advanced Ceramics, Inc. - For more than 80 years U.S. Refractories™ has produced ceramic parts using one of three methods. By casting, pressing, or extruding we can form almost any of your unique and complicated shapes with a wide variety of equipment and materials. We have wet press capabilities and utilize hand operated manual presses for this application along with automatic, hydraulic, and extrusion presses. Casting is another one of our specialties. Parts range from small spools thro