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These techniques will work for pretty much any pourable mold-making material (although with urethanes you will need mold release), I just happen to be using high-temp silicone because it's what I have, and I have it because I can cast pewter (and other low temp alloys) with it. You would also be able to use this method to make waxes which you then cast using investment and more conventional metals (gold, silver, etc.).
The pictures of pouring are from when I molded an aluminum flashlight reflector, and the mold pictured in the last step (and this step) is one of my ring molds.
The pictures of pouring are from when I molded an aluminum flashlight reflector, and the mold pictured in the last step (and this step) is one of my ring molds.
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Signing UpStep 1Materials
You really don't need all that much stuff to make a mold.
- A part to make a mold of
- Mold Max 60 Rubber (available from Smooth-On), or any other RTV (room temperature vulcanizing) rubber
- A mold box (can be any watertight container that fits your part)
- Clay for the sprue
- A part to make a mold of
- Mold Max 60 Rubber (available from Smooth-On), or any other RTV (room temperature vulcanizing) rubber
- A mold box (can be any watertight container that fits your part)
- Clay for the sprue
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May 1, 2012. 11:12 AMgrunt1612
says:
hey guys if you guys need silicone RTV contact this guy its pritty cheep so1612@yahoo.com
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