Re: metal-to-metal contact lubricant help please!

squeeky wrote:

Hi! I am seeking the help of someone experienced with lubricants,
specifically hydrocarbons such as conosol and drakesol. I'm not a
chemist or an engineer, just a knowledge seeking entrepreneur, and I'm
trying my best to do research on my own and understand it, but I
thought I would throw a post out there to see if anyone could explain
it in simple english for me.

I'm basically interested in what the difference is between different
conosols; such as conosol C-145, C-270, C-200, C-215, etc etc. My
application is to lubricate metal-to-metal contact in a small piston.
Endurance is a big factor (how long before it evaporates.) If anyone
could help me understand this lubricant (or maybe find one better!) I
would be most grateful and would do _whatever_ I can to return the
favor.

Many many thanks,

If you are lubing an Enviro-whiner "safe" refrigerant working fluid,
you are screwed. Ain't nothin' gonna work. That is the point of the
Enviro-whiner exercise. Let's go back to sulfur dioxide, ammonia, and
butane. Hell, let's use nitrous oxide and render air conditioners and
refrigerators into drug paraphernalia.

The quintessential mild condition liquid lube is whale oil. The
contemporary drop-in is jojoba oil (but its pour point is 10 C). It
can oxidize. Squalane (not squalene) is a big balls neat hydrocarbon
lube. 3-in-1 Oil is a super-hydrotreated high end cut.

Does viscosity matter? Mobil 1 off the shelf, complete with additive
package. Mobil 1 does not evaporate or oxidize unless you are awfully
bloody hot.

Are physical conditions aggressive? Solid lubricants like graphite,
h-BN, moly sulfide. Solid lubes are not as good as liquid lubes (ARCO
graphite motor oil was a Bad Idea). Micronized Teflon shear degrades.

Are physical conditions really aggressive? Fluorinated polyether
fluids like Krytox or Halovac. Silicone oil cannot be contained. It
will migrate everywhere.

Why don't you shoot for an industry research grant? Use the ultimate
Envio-whiner ecological alternative: sucrose polyester. One imagines
Proctor & Gamble has a few excess buckets of Olestra in a useful temp
vs. viscosity range to donate. Consumer items are not subject to MSDS
terrors amd sewerage regulation.

--
Uncle Al
http://www.mazepath.com/uncleal/
(Toxic URL! Unsafe for children and most mammals)
http://www.mazepath.com/uncleal/qz3.pdf
.

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