Especially my wallet and MG sheet metal after being driven through a Winter in
the salt mines of Ohio. :-(
Jim
Dan Dwelley wrote:
> Jim,
>
> I guess everything is permiable or porous to something. :o)
>
> Dan
>
> On Fri, 25 Feb 2000 01:44:20 -0500, James H. Nazarian, Ph.D. wrote:
>
> > Hi Dan,
> >
> > I won't keep it going either, but latex rubber is not semipermiable. A
> molecule
> > as small as hydrogen can pass right through the lattice structure of most
> solids
> > because of its extremely small size. The material could be porous to
> hydrogen as
> > most things are or helium as many things are, but it is not semipermiable
> and
> > does not support osmosis. That is still the nearly exclusive province of
> > biological membranes. GoreTex almost fills the bill, but not quite.
> >
> > Jim
> >
> > Dan Dwelley wrote:
> >
> > > OK... I won't keep the argument going but I will say...I do remember
> from
> > > chemistry classes that rubber including latex is considered
> semi-permiable.
> > > Keep in mind, this doesn't mean it'll leak everything! It simply means
> that
> > > if a molecule of some substance is small enough, it has the ability to
> pass
> > > through the semi-permiable layer...how fast it can do that is another
> issue.
> > > So...do they leak?...yes and no. The likelyhood of a water molecule
> passing
> > > through the lines...I highly doubt it...the molecule is too big.
> > >
> > > As an example, you can take a helium balloon and a water balloon. The
> water
> > > will not leak out of the balloon after setting for a few days BUT the
> helium
> > > ballon will loose its helium volume after a few days...that is due to
> the
> > > helium passing through the semi-permiable layer.
> > >
> > > Class dismissed. :o))
> > >
> > > Dan Dwelley
> > > 77 Midget
> > > Alexandria, Va.
> > >
> > > On Thu, 24 Feb 2000 14:41:01 EST, Ajhsys@aol.com wrote:
> > >
> > > > In a message dated 2/24/00 2:36:27 PM Eastern Standard Time,
> > > microdoc@apk.net
> > > > writes:
> > > >
> > > > << I think it is our duty to foster this debate, and propose that we
> > > change
> > > > the MG
> > > > slogan from "Safety Fast" to "Safety Fast... and never stop arguing
> > > about
> > > > brake
> > > > fluid." ;^) >>
> > > >
> > > > - - - - - - - - - - - - - - -
> > > >
> > > > I'm stopping this discussion. You win.
> > > >
> > > > As I said before, Ya pays yer money and ya takes yer chances. Mine
> go
> > > with
> > > > Castrol LMA.
> > > >
> > > > Allen Hefner
> > > > SCCA Philly Region Rally Steward
> > > > '77 Midget
> > > > '92 Mitsubishi Expo LRV Sport
> > >
> > > Dan Dwelley
> > > 77 Midget
> > > Alexandria, Va.
> > >
> > > _______________________________________________________
> > > Get 100% FREE Internet Access powered by Excite
> > > Visit http://freeworld.excite.com
> >
>
> Dan Dwelley
> 77 Midget
> Alexandria, Va.
>
> _______________________________________________________
> Get 100% FREE Internet Access powered by Excite
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