HySyn FR Series fluids are based on high quality synthetic, organic, esters and carefully selected additives to achieve excellent hydraulic fluid performance. They provide a lubrication level equal to premium anti-wear hydraulic oils with viscosity grades of 46 and 68. HySyn FR fluids are fire-resistant with self extinguishing properties. They are factory mutual certified, non-irritating, biodegradable, non-toxic to aquatic life and contain no hazardous ingredients. HySyn FR Series are zinc-free ashless fluids and are not water soluble. They can be removed from collector systems by standard skimming techniques.