The Fenso™ product line was developed to provide excellent long life performance in quenching operations. These products are dual-purpose oils designed for both conventional quenching and marquenching. The oils have exceptional oxidation stability helping extend oil life and reduce residue on parts and are readily removed from quenched parts with a mild alkali wash.

 

Equipment lubricant recommendations

Our Mobil Serv℠ Product Selector tool will help you identify lubricant(s) for your specific equipment.

Data sheets

Features and Benefits

FENSO quench oils offer the following features and potential benefits:

  • Good oxidation stability
  • Resistance to thermal and oxidation breakdown helping to extend oil life and helps reduce carbonaceous deposits
  • Non-corrosive to steel
  • Residues easily removed from quenched parts with only a mild alkali wash

 

Applications

The FENSO products are dual-purpose oils designed for both conventional quenching and marquenching. The oils can be used in open quenching systems where operating temperatures are as high as 93°C and in closed systems in which temperatures are as high as 150 C.

Fenso 51 is a medium-viscosity oil that can be used in conventional and marquenching operations.

Fenso M 72 is a high-viscosity, high flash point oil that can be used in marquenching operations. It leaves clean pieces and can be easily removed with mild alkali wash as well.

 

Typical Properties

FENSO51M 72
Kinematic Viscosity, ASTM D 445, CSt @ 40°C48.4126
Flash Point, ºC, ASTM D 92200212

 

Health and Safety

Based on available information, this product is not expected to produce adverse effects on health when used for the intended application and the recommendations provided in the Material Safety Data Sheet (MSDS) are followed. MSDS's are available upon request through your sales contract office, or via the Internet. This product should not be used for purposes other than its intended use. If disposing of used product, take care to protect the environment.