metal working fluids
and auxiliary materials

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Avtokat F-40 - general purpose semisynthetic coolant
Avtokat F-40 is a high quality cutting fluid for use with both ferrous and non-ferrous metals. It is manufactured from mineral oils , amidoborates , effective emulsifiers and fortified with a special additive package for trouble-free performance.

Avtokat F-40 is a universal water soluble concentrate which is suitable for the entire range of general purpose machining and grinding.


Water microemulsions of Avtokat F-40 exhibit excellent lubricity and long term stability. Superior surface wetting provides maximum cooling and chip removal. Parts, produced with Avtokat F-40 are protected from rust and corrosion by a thin residual film. It also contains anti-microbial additives to protect against bacterial growth.

Avtokat F-40 is equally recommended for large central systems as well as for individual sumps.

Recommended concentration ratios are:
  • General Grinding: 2% to 3%
  • Machining Operations: 3% to 5%

Data (typical values)

Appearance yellow clear liquid
Solubility in water Stable microemulsion translucent
Mineral oil approx. 40%
Viscosity at 50°C 72 sst
pH (3%) 9,4
Corrosion inhibition
DIN 51360/2 (2%) mark 0
Nitrite absent