ASTM D6158. - When the oil standards DIN 51524 Part 2 (HLP) or ISO 11158 (HM) are required to be used. DIN 51524-2 (HLP). - A high thermo-oxidative and thermal stability reduce the formation of all types of deposits and corrosive substances that increase the reliability of subsystems’ operability (valves, hydraulic directional valves, etc.) and simultaneously distinguishes itself by an excellent filtering ability;.
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