UNI/MCC researches a replacement for phenolic urethane, with improvements in environmental factors, binder performance, and casting quality. The Center for Advanced Bio-based Binders (CABB), a project funded by the U.S. Department of Energy and conducted by the University of Northern Iowa Metal Casting Center (UNI/MCC; www.mcc.uni.edu) has focused on developing binders and processes that use bio-renewable materials to lower emissions, volatile organic compounds (VOCs), and hazardous air pollutants (HAPs) in foundries. UNI continues to push forward in making the foundry more efficient with economical use of renewable resources. Currently, the university has developed two new patent pending metal casting bio-urethane sand binders.
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