RMO® was selected to develop Elgiloy for orthodontics because of its leadership in developing new materials for the profession.
This “wonder metal”, developed by the Elgin National Company as the “Heart That Never Breaks” in modern precision time pieces, is not
a stainless steel. It is a patented cobalt-base alloy compounded of eight materials (cobalt 40%; chromium 20%; nickel 15%; molybdenum 7%; manganese 2%; berylium .04%; carbon .15% and iron 15.81%).