Nemschoff Healthcare Wood Finish is a proprietary polyurethane- based formula created to address the heavy use and frequent cleaning required in the healthcare market. It is designed to be smooth, durable, scratch-resistant, and non-yellowing. It has been successfully tested against 85 hospital-grade cleaning substances including 100-percent bleach or ammonia for 16 hours. This finish protects our products from cracks caused by temperature and moisture changes, and scratches caused by heavy use, providing substantial infection control by properly sealing the wood. This special formulation is also GREENGUARD Gold certified.