Sentinel® S-FRH 46 is a high molecular weight, polyol ester base, synthetic fire resistant biodegradable hydraulic fluid; which is recommended for those hydraulic applications where potential fire hazard exists. S-FRH 46 has high viscosity and viscosity index which make it useful in a wide range of industrial lubricant applications.

S-FRH 46 base fluids contain a highly specialized additive system. This additive system provides S-FRH 46 exceptional anti-wear, rust and oxidation inhibiting, corrosion inhibiting and demulsibility properties.