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LU 405


The meaning of the term ‘general purpose machining’ has changed significantly in recent times. No longer does this refer to an old capstan lathe on which ‘odd job’ machining is carried out Sparcool M40 BFEP reflects this trend in that it is truly an ‘all round’ water-mix metalworking fluid able to deal easily with high chromium steels and nimonic alloys, as well as mild steel, and many operations where neat oils have traditionally been used. Sparcool M40 BFEP with its blend of surface active and hydrodynamic lubrication additives is suitable for use on more arduous machining operations such as drilling and tapping, in addition to general machining.

Sparcool M40 BFEP provides the clean working environment and long sump life expected of a modern bio-stable fluid, and is Boron Free, Triazine Free, Phenol free, Formaldehyde free, and Contains no long chain Chlorinated Paraffin’s These features improve the operator working environment whilst removing the need for ‘post machining’ cleaning operations.



Appearance of Concentrate

Amber liquid

Specific Gravity @ 20oC


pH @ 3% (Distilled Water)


Reichert Performance @10% dil

NR: 27m  - 1.71Kg/mm2

Anti – corrosion by IP287

3.0% Break Point

Refractometer Correction Factor



Application  Sparcool M40 BFEP should not be used at concentrations less than its specified break point. Maximum machining performance  can be      achieved at concentrations up to 12% however, the majority of operations will be completed with concentrations in the range 3 - 6%.


Advantages Improved surface finish, better tool life. Can be used to replace neat cutting oils on moderate operations. Permits higher cutting speeds.

Excellent lubricity and wetting properties.

Machining Operations  in addition to general machining Include: Screw cutting, reaming, gear cutting, broaching, deep hole boring.

Note  The life and performance of any water-mix metalworking fluid is affected greatly by external factors such as water quality, atmospheric contamination and ingress of machine oils etc. Maximum benefit and lowest operating costs are achieved where correct monitoring and control is applied.

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