·MAR-TEMP. OIL 555 is a martensitic isothermal graded quenching oil developed using solvent extracted and specially refined paraffin based mineral oil as the base oil and composite additive technology. It is a martensitic isothermal graded quenching oil with medium viscosity and medium cooling rate in the Haofudun hot oil series, which has strong quenching and cooling effect and is suitable for martensitic graded quenching, isothermal quenching, and low-temperature tempering at lower temperatures. Long service life and stable long-term performance.

·Typical applications