Miles Ultihyd Bio ISO 32 - Biodegradable Hydraulic Oil is formulated with synthetic esters to provide enhanced biodegradability and performance. It provides excellent thermal and oxidative resistance, leading to a long fluid life and cleaner operations even in extreme operating conditions. Miles Ultihyd Bio also utilizes the latest anti-wear and anti-corrosion additives to provide exceptional levels of service and protection.Typical properties: ISO Grade 32:Viscosity cSt @ 40°C34, Flash Point °F (°C) 435 (224, Oxidative Stability 10,000+,, Pour Point °F (°C)-47 (-44),Copper Corrosion, 24 Hr 1a, Color