Mumbai-based sarbi petroleum & chemicals suppliesa a range of industrial hydraulic oils and lubricants are supplied by mumbai-based sarbi petroleum & chemicals . Kwenchol grade of quenching oils are formulated specially keeping in view the specific performance requirement of heat treatment of steels. Kwenchol 2 is a selected straight mineral, general purpose quenching oil. This quenching oil it is best suited particularly suitable for quenching of steel parts heated in cyanide baths. Kwenchol 3 is a blend of refined mineral base oils and fatty compounding, lending it good wetting properties with higher quenching speeds. Kwenchol 9 is a mar-quench oil suitable ffor maintaining bath at 150-220 deg c, kwenchol 9 is a mar-quench oil . It gives ppredictable quench performance and low reject rates are provided by these oils.