Next message: Jared Sherman: "Re: Cleaning and protecting my Freiberger"
Where DO you find Krytox at the best price. I need a bathtub full :-)
Thanks.
Jared Sherman wrote:
> Renee-
> <I don't see any recommendations for:
> * Hydrophobic dry coatings (like sailkote, which contains Krytox)
> and I wonder why. Jared Sherman is of the opinion that these
> spray-on coatings just don't last very long.>
>
> I wouldn't recommend SailKote as the first choice. It consists of a pinch
> of Krytox, diluted in white paraffin (wax) because undiluted Krytox is
> simply damned expensive. Maybe $10 for a tube half the size of your little
> finger.
>
> The idea of diluting in in wax is because white wax is non-staining, cheap,
> and inert. A great way to "extend" Krytox when you have to, and will be
> putting it someplace where you want to let it wear away and be replaced. But
> no, it is not the best choice for "permanent" application.
>
> Lanacote is organic and will break down/migrate, as most organics will. The
> Freiberger I had, had old congealed brown grease presumably from the
> factory. And that stuff can and will stain, even stain on enameled parts.
> Krytox, pure or diluted, will never stain. I'd splurge and spend the ten
> bucks for the tiny tube.<G>
>
> But for screws that you plan to assemble and want to stay put--like the
> handle/frame--use Loctite. The green "removable" kind is sufficient. Just
> clean the screws and sockets with a little mineral spirit or alcohol first,
> Loctite works best on clean surfaces.
>
> On the things that need to be lubricated...the advantage of Krytox is that
> it never will migrate or stain, and it will work with the same viscosity
> from -60F to 600F, which is generally a wider range than most lubricants or
> sextants want to be found in.<G> On a winter day in hell, it won't freeze
> over. Regular grease often gets real firm on any icy winter day, even down
> around 30F.
>
> I'm sure there are plenty of other good choices, I just ordered a sample of
> Krytox when I first heard of it, and decided to stick with it for things I
> only want to access and lube once. Comes as grease and oil, your choice, but
> you won't find it at the local WalMart.<G>
>
--
s/v Mutiny
Rhodes Bounty II
lying Oriental, NC
WDB5619
