Expert Cores of Wisconsin is a producer of sand cores for the foundry industry located in Milwaukee, WI. We have approximately 30,000 square feet of Core manufacturing/finishing, equipment storage and administrative offices at our Milwaukee facility. We produce cores from fractions of 1# up to 5,000#. We have a dedicated Sand Lab where we monitor L.O.I.’s and tensile characteristics to insure compliance to our customer’s requirements and calibration of our sand mixers. We are capable of handling horizontally and vertically parted wood, red board, urethane, aluminum & cast iron core boxes. We recognize that all equipment is not created equal. We collaborate and consult with our customers to achieve the highest level of quality from their core equipment.