Author Topic: General Casting Questions  (Read 5572 times)

Offline Straxus

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Re: General Casting Questions
« Reply #75 on: October 8, 2006, 11:46 PM »
Any you guys have suggestions for a type of clay that would work good as a place holder for two or more part molds? Need something that wont interfere with Silicone or Urethane mold cures and will not clump/stick to the origional part excessively when trying to remove it to pour next stage of mold.
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Offline Sarge

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Re: General Casting Questions
« Reply #76 on: October 9, 2006, 09:32 AM »
I use a product called Kleen Klay that I purchased from Micro-Mark. The 1 pound block I purchased over 2 years ago is still good. I use it, put it in a ziplock baggie when finished and re-use over and over again.

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Offline Straxus

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Re: General Casting Questions
« Reply #77 on: October 9, 2006, 10:32 AM »
Cool!
Thanks! That is a definite on my list of things to get on payday! I made the horrible mistake of using sculpey (at a lack of anything else) and it was hell getting it off the parts and was a mess. (fortunately I wasnt using silicon mold making material when I did that...)
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Offline Jesse James

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Re: General Casting Questions
« Reply #78 on: October 9, 2006, 05:14 PM »
Straxus,

What you do when using Sculpey or whatnot is mix up vaseline w/gasoline...  You basically thin the vaseline down to a really thin mixture.  You wipe it on then as a barrier between the clay and the mold rubber.  It works like a charm...  I use Sculpey 3 then for 2-part molds because it's easy enough to find and cheap in my area.
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Offline Straxus

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Re: General Casting Questions
« Reply #79 on: October 9, 2006, 07:30 PM »
Wouldnt the gasoline ruin any paint that might be on the origional peice? Not that its a huge concern but more a curiosity.
Either way thanks for the info!

As I was just waking up as I read your post I was wondering if you were giving me a formula for "Sculpey Napalm"...hehehe.
...carbon stars with ancient satellites colonized by sentient fungi. Gas giants inhabited by vast meteorological intelligences. Worlds stretched thin across the membranes where dimensions intersect...