[TheForge] Fluorospar (was: Flux, was rust & pickling)

Thu Aug 21 12:50:02 2003

Heard a story years ago about a guy turning plastic which contained
flourides.  He laid a cigarette on the lathe bed, some plastic shavings feel
on it , next drag on the cigarette he inhaled the flourides and died from
it.
Randy Mundt
----- Original Message -----
From: "Bruce Freeman" <[email protected]>
To: <[email protected]>
Sent: Thursday, August 21, 2003 8:49 AM
Subject: [TheForge] Fluorospar (was: Flux, was rust & pickling)

Let me throw in my 2 cents on fluorospar.

Any time you see that "fluoro" in a chemical or mineral name, there's a good
chance there's fluoride present.  Inorganic fluoride is the same thing put
in water for the good of your teeth, but in much greater concentrations is a
toxin.  If you're working with fluoride-containing flux, you're exposing
yourself to potentially toxic fluoride levels.  You're fre to do that if you
like, but I'd suggest you read up on it first, and not just plunge in.

Try an MSDS for sodium fluoride as a starting point.

Bruce
NJ

>>> [email protected] 08/20/03 08:54PM >>>
I just tried drying out my borax today.  I placed about 4lbs. of 20
mule into an electric deep frier (no oil, just dry). Cooked it without
the lid on till I stopped seeing water vapor condense on a cold glass
above the pot. Took about 4 hours.
I made a batch of modified japanese sword-smiths flux (in this ratio: 3
borax, 3 boric acid, 3 anvil scale, 1 salt, 1 bandsaw swarf) and tried
it out.  It is quite an improvement over plain, hydrous borax.  I could
stick two 1/2" round bars together in the fire and have the adhesion be
strong enough to hold them together while I pulled them out of the fire
and over to the anvil. Also, the residue from this flux doesn't seem to
be white like plain borax, it color matched the pieces quite well.
I'd highly recommend that anyone who hasn't tried mixing up a batch of
flux do so.
Thanks for posting the recipes.
I ordered 20lbs. of flourspar today to experiment with in the future.
This additive seems to be the key to getting stainless forge welds to
work.

theforge is great

On Tuesday, August 19, 2003, at 06:20 PM, Ed F wrote:

> Shees you guys.  Yes this has come up before, and about 3 years ago
> after
> (the first time) I said that I dried it successfully in the oven
> there was
> a bunch of hubbub about maybe it would work and maybe it wouldn't, and
> finally someone suggested that it might be worth trying.
>
> After all this talk has anyone else tried that?  Would someone
> *PLEASE* go
> put some on a cookie sheet and stick in the oven?  Again, stir it
> while it's
> drying or it will cake up.
>
> Ed
Cameron Stoker
[email protected]
"May you run like a vicu�a!"
pgp key @ http://keys.stoker.net

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