abstract |
QUENCHING OIL COMPOSITION OF THE INVENTION COMPRISES MINERAL QUENCHING OIL CONTAINING A SPECIFIC COMPOUND BELONGING TO (1) ALIPHATIC ACIDS OR DERIVATIVES THEREOF, (2) PHOSPHITES, (3) THIOPHOSPHITES, (4) PHOSPHATES, (5) ZINC DIALKYL DITHIOPHOSPHATES, (6) DISULFIDES, (7) TETRAALKYLTHIURAM SULFIDES, (8) DITHIOCARBAMATES OR (9) MERCAPTANES, SAID COMPOUND BEING CONTAINED IN THE RANGE OF 0.05 TO 5 WWEIGHT PARTS, BASED ON 100 WEIGHT PART OF THE MINERAL QUENCHING OIL. THE PRESENT QUENCHING OIL COMPOSITIONS ARE CAPABLE OF QUENCHING METALS AND, AT THE SAME TIME, IMPARTING LUBRICATING PROPERTY TO THE METALS QUENCHED THEREWITH. |