View Full Version : mixing oils
07-10-04, 03:01 PM
I wonder if I can mix olive, peanut oil and old car engin oil or even duck fat for heat treatment...
Any harm in this?
07-10-04, 03:18 PM
Have a look at some of the weird & wonderful recipes for "goop" as a quenchant. I'd probably be inclined to avoid old engine oil because of some of the contaminants in it, personally.
Hello Alfonso, sorry i dont know the answer for your question, i have another for you, why do you want to do this?
Welcome to us btw :)
07-10-04, 03:28 PM
I just have some bottles of used oil from different sources (mineral, vegetal), and a can of duck fat.
07-10-04, 11:14 PM
I'd probably be inclined to avoid old engine oil because of some of the contaminants in it, personally.
For quenching "engineering" type tools at work I have never used anything EXEPT old engine/gearbox/hydraulic oil (whatever I can find, mixed in random proportions).
Keep it off your skin and try not to breath the smoke, you will be fine.
Is a thick density/consistancy of quench oil better than a thin density/consistancy?.....will one disipate heat from a quenched blade better than the other?.....What are we idealy looking for in quench mediums?.....does it depend on the steel we use?...what makes a good quench medium?......hmmmm
09-10-04, 04:48 PM
I'll have a try...
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