Polyolester-based Bio Guard FRHF fluids are engineered for pumpability and minimize wear and deposit formation under extreme conditions. Ashless, silicone-free, and biodegradable. Meets Factory Mutual Approval Standard 6930, and has passed Vickers 35VQ 25A and 104C pump tests. Fire point above 360° C and Autogenous Ignition Temperature above 420° C. Fluid life three-to four-times longer than mineral oil-based products. ISO viscosity grades of 46, 55, and 68. Compatible with elastomers, seals, hoses for easy change-out.