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Old 10-23-2019, 08:20 AM
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corking molds

I got this as a private message and I don't yet have time to find the thread. Perhaps someone can do the simple search. It seems to me it was this:
http://talk.craftweb.com/showthread....=corking+molds
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Originally Posted by pierre bowring
Hey how are you? I can’t seem to find the article Ed skeels wrote on corking steel molds. Also a guy I know told me Taylor kurle put a really good article up on corking steel molds with renite and can’t seem to find that either. Could you help me out? Finally, I know sorry this is a lot, I was curious if there was any info on mold blowing? Again have looked numerous times can’t seem to find anything. Thanks so much!
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Old 10-23-2019, 11:11 AM
Shawn Everette Shawn Everette is offline
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Not the thread but here's Mr. Wizard's instructions.
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Old 10-23-2019, 06:01 PM
Charles Friedman Charles Friedman is offline
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It helps to heat up the metal mold a little first, before adding the linseed. It helps with getting an even layer, let it drip upside down till it cools and gets real tacky, then apply the cork dust. And repeat 3 times.
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Old 10-23-2019, 06:31 PM
Jordan Kube Jordan Kube is offline
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Forget the linseed oil. Use Renite. Ed switched to that.
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Old 10-23-2019, 06:33 PM
Eben Horton Eben Horton is offline
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I corked a 12 wides 32 cylinder mold with linseed oil. Dropped a bubble into it the first time and as I pulled the bubble out, the linseed oil vapors combusted and shot the bubble and pipe up about a foot in a giant cannon blast. Scared the crap out of me.
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Old 10-27-2019, 12:00 PM
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Here
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Old 11-01-2019, 08:33 AM
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Greg!

Thanks man!
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Old 11-09-2019, 04:30 AM
Robert Melvin Robert Melvin is offline
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Thank you very much. This is very relevant to some questions I have right now.

What about preparing a mold interior with a plating of some ratio of gold-platinum or some other material? I read that gold-platinum was used in industry to create process features hot glass will not stick to.

I would love to be able to send a file to a machine shop, get an aluminum mold back, get a plating on it, and use it to mold gobs of glass by pressing into a female mold with a male core.

Being able to take billet glass and convert it to finished parts or preforms would be great and I would appreciate advice.

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