Aluminum Oxide: A chemical compound also known as alumina. Particles of aluminum oxide are added to the urethane finish on hardwoods for increased abrasion resistance.

ASTM International: Organized in 1898, ASTM International is one of the largest voluntary standards developing organizations in the world. ASTM is a not-for-profit organization that provides a forum for the development and publication of voluntary consensus standards for materials, products, systems and services. ASTM's members, representing producers, users, consumers...