Slumping Molds

Started by Soozintheshed, May 03, 2007, 04:22:45 PM

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Soozintheshed

Does anyone know what materials you can safely use in a kiln to slump glass over?  Apart from the ready made slumping molds that is.  :)
Sooz     '(0,0)'



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♥♥Tan♥♥

#1
nope


marshmallows?

handmadeheaven.biz

i know stainless steel & thick fibre paper are ok. you can carve out of fibre paper for good effects.

in one of my books someone's using a handleless wok as a bowl mould. have to drill small holes in bottom 1st though (and make sure it IS stainless steel!)

Soozintheshed

Cool, will try stainless steel then - and the marshmallows (great suggestion, I love marshmallows!)

What about teracotta plant pots?  Did I read somewhere that they might work?
Sooz     '(0,0)'



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♥♥Tan♥♥

I know you can do pot melts in them so I don't see why they wouldnt do for other kiln stuff ???

jewelchiz84

Yep, you can use terracotta pots. So long as they dont have a 'sharp' rim.
I was told to drill a couple of holes in them. Worked fine for me.

Soozintheshed

Tan, I had to send Andrew out for Marshmallows !

If you are a marshmallow connousieur  then I can highly reccomend the Spar's own - yum !

Will try and get a terracotta pot with no rim tomorrow, thanks jewelchiz.
Sooz     '(0,0)'



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http://stores.ebay.co.uk/The-Bead-Shed

♥♥Tan♥♥

oooooo marshmallows.....one isnt enough :P

Soozintheshed

#8
Ok got a stainless steel bowl , but do you have to kiln wash it?  the stuff just slides off !

So I covered it best I can in kiln paper.
Sooz     '(0,0)'



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♥♥Tan♥♥

Steph had this problem and I think mary said to heat it first so the water of the wash evaporates


Soozintheshed

Oops !  Its already in and cooking - too impatient me !
Sooz     '(0,0)'



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BlueMoon

Sooz....are you slumping into the stainless steel bowl or over the outside of it?

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Soozintheshed

Its upside down in the kiln, then I layed strips of kiln paper over it in a criss cross pattern then layed the glass on top.

Will this work?
Sooz     '(0,0)'



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http://stores.ebay.co.uk/The-Bead-Shed

BlueMoon

I bet it will if the thin fire paper doesn't burn out to ash and drop to the shelf before the glass comes down to contact it.
The best way I have found to coat stainless steel is to heat it in the kiln or oven to about 93C and then spray kiln wash on the mold. Spraying works better than brushing but if you don't have a sprayer, then brushing will work. You might have to heat the mold several times and brush on kiln wash each time as the SS tends to cool very quickly.

I found a product made by Hotline called Mold Armor that I use on my SS molds. I spray it on. they claim it is good for 50 or so firings. I have some floral forms that I have slumped over at least a dozen times that are still holding up well with the initial coating of Mold Armor. The stuff is a bit pricey ($60 for a 17ozs) but it goes a long way if sprayed.

Good luck with the piece you have in the kiln...I wanna see pics!! :-)

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