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Topic: Alternatives to Mold Release?  (Read 2171 times)
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realornotreal
« on: August 08, 2012 01:42:38 AM »

Hi everyone! Quick question: what's a quick and cheap alternative to mold release? Especially for resin molds/charms. Since here where I live, mold release is quite pricey, and I can't shell out that much cash.  Undecided All help is appreciated!  Cheesy  Grin

Oh, and in case you're wondering, resin mold release looks like this: http://www.amazon.com/Environmental-Technology-4-Ounce-Release-Conditioner/dp/B000XAWQJU
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Diane B.
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« Reply #1 on: August 08, 2012 07:56:03 AM »

For resins, check out the info on mold releases (and which molds don't require releases) in an answer I've written at YahooAnswers (which includes a link to the page at my site with more info about resins):
http://answers.yahoo.com/question/index?qid=20100206091500AA7eXFv

For polymer clay, you'd usually use water, or cornstarch, metallic powders, etc--sometimes depending on the brand and line of polymer clay being used.  
Or often no release is needed if the "English" is right when pressing in and removing (or cool in frig/freezer first, etc).
http://glassattic.com/polymer/molds.htm

For air-dry clays and materials, oils.

(Most all of those can use physical barriers as releases too.)
« Last Edit: August 08, 2012 07:56:48 AM by Diane B. » THIS ROCKS   Logged

POLYMER CLAY "ENCYCLOPEDIA" 
http://glassattic.com/polymer/contents.htm
few of my photos
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(had to move them from YahooPhotos, so many now without captions)
realornotreal
« Reply #2 on: August 09, 2012 07:35:30 AM »

Thank you so much! Grin Oh, and if it's not a bother, one more quick question, if you wouldn't mind; my mold is the flexible type, so would that still require a mold release?
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Diane B.
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« Reply #3 on: August 10, 2012 02:30:01 AM »

If your flexible mold is HDPE plastic or silicone (or make your own from 2-part silicone putties), usually not.  HDPE plastic will create the clearest casts.
Don't know how many kinds of flexible molds there are though.

HDPE molds are sold *for* resin or rubbery-translucent plastics similar to Rubbermaid items would be the same.  Both types may need a bit of release if they have microscratches though, or just won't end up entirely clear on the outer surface.

https://www.google.com/images?q=resin+molds
http://www.sculpt.com/catalog_98/CastingMaterials/POLYESTER/polyester.htm (scroll down to "Casting Forms")
https://www.google.com/images?q=resin+molds+silicone

« Last Edit: August 10, 2012 02:32:47 AM by Diane B. » THIS ROCKS   Logged

POLYMER CLAY "ENCYCLOPEDIA" 
http://glassattic.com/polymer/contents.htm
few of my photos
http://s96.photobucket.com/albums/l163/DianeBB
(had to move them from YahooPhotos, so many now without captions)
Blacksmith
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« Reply #4 on: August 10, 2012 05:24:23 AM »

For a resin mold I use non-stick cooking spray.

I don't do polymer clay so I'll stick with what the above said.

Now if you're doing metal casting I can help, that I have tricks for.
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realornotreal
« Reply #5 on: August 10, 2012 08:09:11 AM »

Thank you! Cheesy I'm sorry, but just one more question; My charms are still curing, so when's the best time to put eye pins? And what's a method that would involve putting an eye pin in the charm without using a drill? Most of the tutorials I've seen on YouTube require drills, and hardwares here in my country do't carry that kind of drill. Sorry if I'm so annoying, asking questions over and over... Sad

And what is metal casting? I'm curious now Smiley
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realornotreal
« Reply #6 on: August 10, 2012 08:21:49 AM »

One more thing; I'm gonna make a necklace like this: http://raegunwear.blogspot.com/2012/04/divergent-and-insurgent-book-cover.html
using resin. When's the best time to place the image so it has that dimensional look?
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Blacksmith
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« Reply #7 on: August 17, 2012 09:28:06 AM »

You melt a metal (gold, silver, tin, iron, copper, bronze, brass, etc etc etc) and pour it into a mold.
Much more labor and equipment intensive.
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The bureaucracy is expanding to meet the needs of an expanding bureaucracy.-Oscar Wilde

Available for personal swaps, send me a PM. I make crafty tools!
Diane B.
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« Reply #8 on: August 18, 2012 08:36:36 AM »

> And what's a method that would involve putting an eye pin in the charm without using a drill? Most of the tutorials I've seen on YouTube require drills, and hardwares here in my country do't carry that kind of drill. <

If you're talking about casting resin in molds, generally *bails* or other findings are just glued onto the hardened resin rather than drilling a hole and putting in an eye pin (or eyescrew, whatever).  Much easier, and the the hole won't be white if you forget to put in more resin and the shank won't be seen inside the resin as well.
Here are various kinds of glue-on bails (there are also some pinch-on types, or you can create your own in various ways):
https://www.google.com/images?q=glue+on+bail
(the flattish portion gets glued on to the back of the resin at the top so that the loop sticks out above the edge of the resin)
« Last Edit: August 18, 2012 08:37:17 AM by Diane B. » THIS ROCKS   Logged

POLYMER CLAY "ENCYCLOPEDIA" 
http://glassattic.com/polymer/contents.htm
few of my photos
http://s96.photobucket.com/albums/l163/DianeBB
(had to move them from YahooPhotos, so many now without captions)
realornotreal
« Reply #9 on: August 19, 2012 03:46:55 AM »

Thank you so much!  Cheesy
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