Making a Reusable Graphite Mold - WarmGlass.com

Making a Reusable Graphite Mold

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KimLindaberry
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Location: Kansas City, Missouri USA
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Making a Reusable Graphite Mold

Postby KimLindaberry » Thu Jan 27, 2022 1:21 am

:arrow: I am wondering about graphite molds and how they can be created? I've read a few forum answers to questions about the usage of reusable graphite molds. It seems that that graphite molds may not be recommended in kiln casting or slump forming because over long term use in the kiln they may breakdown. Given that I still do have a question about making a graphite mold maybe someone could advise me about. Specifically I'm wondering if there is a "castable" or "formable" graphite mold formula? Crucibles for metal casting are durable and typically can be made out of graphite/carbide mixture. It seems something like that should be durable and tough. I'm just wondering if anyone has considered this or tried packing something like that around a pattern for an open faced mold for glass? Does anyone have a graphite molding formula?

Thanks,

Don Burt
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Location: Cincinnati, Ohio
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Re: Making a Reusable Graphite Mold

Postby Don Burt » Mon Feb 21, 2022 6:44 pm

I want to know too. I've seen them used for small items like jewels for stained glass. That's what I would be interested in them for.

Kevin Midgley
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Joined: Mon Mar 10, 2003 11:36 am
Location: Tofino, British Columbia, Canada

Re: Making a Reusable Graphite Mold

Postby Kevin Midgley » Tue Feb 22, 2022 12:03 am

Jewels? buy them from Optul in Europe.
Yes, study the master of graphite molds and expect a learning curve. He took a year off blowing glass in order to develop his technology using graphite molds in which to cast the hot glass that he was ladling into the molds.
https://contempglass.org/artists/entry/mark-peiser
You are going to have to spend time and money to get anything that works. A simple question with a myriad of factors affecting the result. Note before you start the complexity of reaching your goal


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