White spirit in cutting/tapping oil recipe ?

[BazyleParticipant @bazyle]

My advice would be avoid methylated spirit as it evaporates quickly leaving only the gooey oil. (it is after all just alcohol). White spirit is also going to evaporate rather quickly. Same will apply to petrol, bbq lighter fluid, or anything with 'ether' or 'naptha' in the name. Paraffin is going to be better as it stays around longer.
Olive oil being plant derived will likely be food for bugs and moulds and they naturally thicken and will cause a lot of drag. Ditto homebrew tapping agents using lard or tallow though you are more likely in that application to have cleaned them off.
I wouldn't want regular EP90 in the workshop as all the normally available ones contain additives that stink to high heaven. For a thin oil I suggest forgetting the mixtures and using pre-owned automatic gearbox oil (that's not car engine oil, not diff oil, not transfer box oil) and some versions almost seem to have had perfume added.

[MuzzerParticipant @muzzer]

You could always just buy some Rocol RTD and save all the guessing work, skin complaints, fires, cancer etc.

[Michael GilliganParticipant @michaelgilligan61133]

Posted by Muzzer on 11/11/2015 17:50:58:

You could always just buy some Rocol RTD and save all the guessing work, skin complaints, fires, cancer etc.

.

+1

… I have never found, or needed, anything better.

MichaelG.

[V8EngParticipant @v8eng]

White Spirit can badly damage the paint finish on machinery, depending what type of paint was used (I expect).

Edited By V8Eng on 11/11/2015 18:49:33

[brickyParticipant @bricky]

Having read a letter in ME or MEW some years ago about a cutting fluid used by an old toolmaker.This he called Angels Breath,made up of 1 part genuine turpentine 2 parts white spirit 3 parts olive oil.This is the the dog's whatsits.I have used it since reading the article and have not broken a tap or drill since,it als gives a super finish on finish turning.

Frank

[Roger HeadParticipant @rogerhead16992]

Posted by Neil Wyatt on 11/11/2015 13:31:18:

i've noticed that most label residues and other sticky substances will respond to either white spirit or meths, but not both.

Eucalyptus oil for removing the adhesive from sticky labels etc – and it smells nice, too.

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