Constructed of high-density polyethylene to stand up to tough acids and corrosives, as well as heat, cans are dent, puncture, and chip resistant. The self-closing cap, pressure-relief mechanism and flame arrester work together to prevent ignition sources from entering, without restricting liquid flow in or out of the can. All cans feature stainless steel hardware and flame arrester for superior chemical resistance. FM approved.Carbon Insert – A conductive current-carrying carbon insert is embedd