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Cleaning Trefolex ???

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TMN - 01 May 2008 10:03 GMT
Hi

I have an old tin of Trefolex cutting compound which has a lot of
metal chips in it  - presumably from dipping the tap in directly. I
was wondering if heating it till liquid and straining (stirring as it
cooled) it would be bad idea ???

Any experience with this ?

thanks
Tim  Nash
South Africa
newshound - 01 May 2008 11:55 GMT
> Hi
>
[quoted text clipped - 8 lines]
> Tim  Nash
> South Africa

Don't see why not. Rather than straining, I'd be inclined to warm it up
(maybe in a saucepan of hot water), let the chips settle, and decant leaving
a layer of chips and dirt.
David Littlewood - 01 May 2008 12:22 GMT
>> Hi
>>
[quoted text clipped - 12 lines]
>(maybe in a saucepan of hot water), let the chips settle, and decant leaving
>a layer of chips and dirt.

Or even just leave them at the bottom - judging from my 20-year old tin,
my as-yet-unborn grandchildren will be passing it on to their heirs.

David
Signature

David Littlewood

Richard Edwards - 01 May 2008 20:12 GMT
>>> Hi
>>>
[quoted text clipped - 17 lines]
>
>David
I used to use "Trefolex" when screwing conduit and thought it was crap
then! I hope that your heirs will be better pleased than me <G>
I have two half tins of Rocol RTD plus a half tin of "Vanco". They
will do me and my heirs. I think that I "binned the "Trefolex", if I
still had it I would do the test for the OP, report back then bin it.

--

Richard

Email address is valid but remove burrs before sending!
ravensworth2674 - 01 May 2008 21:46 GMT
On May 1, 8:12 pm, Richard Edwards
<poundeaterbu...@burrsblueyonder.co.uk> wrote:
> On Thu, 1 May 2008 12:22:35 +0100, David Littlewood
>
[quoted text clipped - 37 lines]
>
> - Show quoted text -

Looking at the Google comments, i would think that any of the really
explosive things would have gone now. It suggests things like tallows,
sulphurs, and such are still in the tin. Why not warm it up.This is is
what people have been doing with it on lathes and drills and things==
and actually buying it for this.

Where's Mark Rand? He'd tell you

Norm
Mark Rand - 01 May 2008 23:36 GMT
>Looking at the Google comments, i would think that any of the really
>explosive things would have gone now. It suggests things like tallows,
[quoted text clipped - 5 lines]
>
>Norm

'Fraid I've never used Trefolex. I was taught to wipe taps through a pot of
common-or-garden tallow before use, but must admit that I tend to drip a bit
of liquid tapping oil on instead.

Mark Rand
RTFM
ravensworth2674 - 02 May 2008 07:51 GMT
> On Thu, 1 May 2008 13:46:04 -0700 (PDT), ravensworth2674
>
[quoted text clipped - 15 lines]
> Mark Rand
> RTFM

I have to confess the smell of hot tallow is something which I was
glad to forget.
A bit of pure lard oil on the chips- the Myford ones, has to be
encouraged.
I keep giggling about the old air aces of WW1 who got the full blast
of castor oil as they went into action. Sorry, fellas, got carried
away.Oh, sh1t

Cheers

Norm
dave sanderson - 02 May 2008 08:23 GMT
> Hi
>
[quoted text clipped - 8 lines]
> Tim  Nash
> South Africa

Just a bit of googling will get you the Safety data sheet:
http://www.warrenbestobell.co.uk/PDFs/trefolex/06PTREF.pdf
on it conditions to avoid are HEAT!
caution highly flammable and toxic vapors produced!
dont think Id be heating it, YMMV.

You could try just pushing it through a metal sieve, my tin is
'squishy' enough that
this might work.

If you do heat it do it outside, not over a naked flame and let us
know how it goes.
Dave
ravensworth2674 - 02 May 2008 10:03 GMT
On May 2, 8:23 am, dave sanderson <david.sander...@bem.fki-et.com>
wrote:

> > Hi
>
[quoted text clipped - 21 lines]
> know how it goes.
> Dave

Methanol/ethanol 1% when new and the lid shut!
What now in the real world?

Tallow as a wiping agent for plumbing. Petroleum jelly taken in all
sorts of orifices- and out. Maybe piles of problems here.
You know, I could think of lots more hazardous things- like people.
Let's get into the real world. Heat the bloody stuff up- or spend
money- that dirty stuff that every Tom, Dick and Harry has had their
hands- and perhaps a few more things- on.

Medical opinion is now in favour of a child eating a peck of dirt at
nursery or play school- as a preparation for future life.

I've got to damned near 78- and I have ingested all sorts of things in
that time.

Next?

Norm
Tim Leech - 02 May 2008 10:18 GMT
>On May 2, 8:23 am, dave sanderson <david.sander...@bem.fki-et.com>
>wrote:
[quoted text clipped - 34 lines]
>money- that dirty stuff that every Tom, Dick and Harry has had their
>hands- and perhaps a few more things- on.

I don't think you would have to heat it enough to be dangerous, for it
to become fairly liquid. ISTR it goes quite runny just left out in the
hot sun.

Tim
AC - 03 May 2008 11:41 GMT
> Hi
>
[quoted text clipped - 8 lines]
> Tim  Nash
> South Africa

Wild random thought:

If the metal is ferrous, how about a magnet?

AC
TMN - 06 May 2008 12:58 GMT
> > Hi
>
[quoted text clipped - 14 lines]
>
> AC

And all this time I was hording my Trefolex like gold because I
thought it was "the" cutting compound but I see that it is not held in
the high regard I thought !!!
Sandy Morton - 06 May 2008 13:27 GMT
In article
<2b59b66f-725b-4190-9622-0dcc269ac80d@k13g2000hse.googlegroups.com>,
> And all this time I was hording my Trefolex like gold because I
> thought it was "the" cutting compound but I see that it is not held
> in the high regard I thought !!!

Works fine here.
 
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