Vermiculite in a crock pot
Sue or Jim Zabritski
to annealing? New to lampworking, and the kiln isn't here yet, but must try to make some
beads!! Of course this is assuming I will have beads worth keeping right away! Sue Z
Go to www.SueZeeQ.com for unique, one of a kind jewelry and exotic wood products.
Suzanne Gunn
anneals them for me.
In 8 months, Ive had only 5 beads break.
Ordered my kiln today! :o) :o)
Suzanne
TChuck
Visited SueZeeQ. Could you direct me to where I may learn more about
creating glass beads! Would this be a use for all of my glass scrap?
Cordially,
T. Charles
"Sue or Jim Zabritski" <zab...@home.com> wrote in message
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Suzanne Gunn
Cindy Jenkins has a couple of good books.
James Kervin's "Everything you ever wanted to know about glass
beadmaking"
Bandu Scott Dunhams book...cant think of the name of it off the top of
my head right now...but you've got enough to keep you busy for a while.
;o)
Suzanne
Mike Savad
i don't know much about bead making. but i do know that scrap glass would
only be compatible with itself, and the colors change quite a bit in
certain colors. some glass taht starts clear ends up opaque, and other's
change color completly. --kiln and torch experiments told me this....
---Mike Savad
--
---
Mike's Stained Glass - http://www.geocities.com/Paris/1141/
TChuck
Andrew T
her site at http://www.glendalemall.com and then to Alice's Stained
Glass
Andy
---------------------------------
Suzanne Gunn
Suzanne
Andrew T
us for three years in a row and both beginner and advanced classes are
filled.
Andy
--------------------
Cheryl
warm prior
to annealing?
Yes - it will "cool " them slowly - but it is NOT annealing.
Do not use VERMICULITE.
Perlite is safer - but you should "de-dust" it by winnowing it (wear a mask)
first.
info like this is on my website
http://www.dragonbeads.com/glassfaq.html
check under HOT BITS and annealing.
Cheryl of <A HREF="http://www.dragonbeads.com"> DRAGON BEADS </A>
Flameworked beads and glass
http://www.dragonbeads.com/
Crystal Images
Cheryl,
Why not vermiculite? Everyone I know uses it, and I do myself. Is there
some danger I haven't heard of?
Margaret
Charlie Spitzer
"Crystal Images" <mneher...@lightlink.com> wrote in message
news:3B4F1E8C...@lightlink.com...
Cheryl
some danger I haven't heard of?
Margaret
>
yes - asbestos!!!!!!
Glenn Woolum
> some danger I haven't heard of?
> Margaret
> >
>
> yes - asbestos!!!!!!
Actually, the US EPA has recently declared that vermiculite is safe to use.
They did a rigorous sampling of vermiculite supplies all across the country
and found that most vermiculite has no asbestos. Trace levels of asbestos
were found in some samples, however they weren't the tremolite variety, and
is within safe working limits.
There was a case years ago where it was discovered that a particular supply
of vermiculite was contaminated with tremolite (the type of asbestos that
causes lung cancer). The mine was closed immediately after determining that
it was contaminated.
The EPA only recommends using the same precautions for using vermiculite as
with any material that produces dust, such as wearing a respirator when
mixing, etc...
Vermiculite is merely mica that has been chopped up and heated. Most of the
sparkle dust sold for glassworking is actually ground mica flakes. If you
use reasonable precautions, vermiculite is perfectly safe to use, however I
don't have any opinion about whether it is good for bead annealing since
I've never used it for that. I do know it's great to mix with garden soil to
hold more moisture...
--
Regards,
Glenn Woolum
Crystal Images
Glenn Woolum wrote>
>
> Actually, the US EPA has recently declared that vermiculite is safe to use.
> They did a rigorous sampling of vermiculite supplies all across the country
> and found that most vermiculite has no asbestos. Trace levels of asbestos
> were found in some samples, however they weren't the tremolite variety, and
> is within safe working limits.
>
> There was a case years ago where it was discovered that a particular supply
> of vermiculite was contaminated with tremolite (the type of asbestos that
> causes lung cancer). The mine was closed immediately after determining that
> it was contaminated.
>
> The EPA only recommends using the same precautions for using vermiculite as
> with any material that produces dust, such as wearing a respirator when
> mixing, etc...
>
> Vermiculite is merely mica that has been chopped up and heated. Most of the
> sparkle dust sold for glassworking is actually ground mica flakes. If you
> use reasonable precautions, vermiculite is perfectly safe to use, however I
> don't have any opinion about whether it is good for bead annealing since
> I've never used it for that. I do know it's great to mix with garden soil to
> hold more moisture...
>
> --
>
> Regards,
> Glenn Woolum
Thanks Glenn, you saved me some (more) research. I was pretty sure
asbestos wasn't an issue from what I'd found so far. As far as bead
annealing goes, you can't anneal anything in vermiculite, you need a
kiln for that. Vermiculite is good for cooling things slowly until you
fire them (which was the original question). I use it for boro all the
time; works great. Years ago when I briefly played around with soft
glass beads I was taught to heat the vermiculite, like in a crockpot. I
would think that that would work as long as you then annealed anything
of any size or complexity.
Margaret