Interesting. The bottle of LMA on the shelf in my garage (soaking up
moisture, I presume) just say minimum dry boiling point is 446F. The
bottle of Valvoline SynTech says boiling point "as high as"
502F. Castrol used to print a boiling point well over 500F on the bottles.
- Tony
At 06:42 PM 6/6/2006, Randall Young wrote:
> > Castrol LMA. Has a very high boiling point,
>
>I tried to check that out on Castrol's web site ... all it says is that
>"typical" dry boiling point is 509F. Only "guaranteed" performance is DOT
>4, which means 446F dry, 311F wet.
>
>Considering that Castrol has been in court several times in the last few
>years, first claiming that any percentage at all of 'synthetic' counts as
>"semi-synthetic"; and then that basically any oil that comes through a
>modern refinery can be described as "synthetic" ...
>
>BTW, the Wikipedia article is flawed as well. Code of Federal Regulations
>Title 49, Chapter 5, FMVSS 571.116 defines performance standards for brake
>fluid, but not what chemicals go in them. Except for "DOT 5", where it says
>only that it must be at least 70% "a diorgano polysiloxane".
>
>Randall
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