HMTH203 PREMIUM HYDRAULIC OIL FIRE RESISTANT BIODEGRADABLE 46 is a synthetic ester fire resistant (HFDU type) hydraulic fluid designed to replace antiwear, mineral oil based hydraulic oils used in fire hazardous and environmentally sensitive hydraulic applications without compromising overall hydraulic system operation. HMTH203 is based on a high purity, synthetic ester and fortified with carefully selected additives to achieve excellent hydraulic fluid performance. It does not contain water, mineral oil or phosphate ester. ISO 15380 HEES, Denison HF-2, HF-6, Meets the requirements of standards OECD 201, 202 & 203 for ecotoxicity and OECD 301B for biodegradability, ISO 6743-4 HFDU. Always refer to the manufacturers handbook before use. Performance levels can be subject to change. Technical Datasheets available upon request.