Complex Copper Cast
Complex Copper Cast
(OP)
Hey everyone, this is my first post.
I need to make a plaster mold that is non reactive with copper and can be removed with ease. The mold will be highly intricate, so the copper is poured at a superheat temp of 2100F. Any ideas?
So far I have done this:
tested a sulfur based casting plaster, it reacts with the copper
currently using a phosphate based plaster, it is extremely difficult to remove
I was considering ethyl silicate, but I can't find very much information on it being used as a casting mold.
Thanks guys
I need to make a plaster mold that is non reactive with copper and can be removed with ease. The mold will be highly intricate, so the copper is poured at a superheat temp of 2100F. Any ideas?
So far I have done this:
tested a sulfur based casting plaster, it reacts with the copper
currently using a phosphate based plaster, it is extremely difficult to remove
I was considering ethyl silicate, but I can't find very much information on it being used as a casting mold.
Thanks guys





RE: Complex Copper Cast
Chocolates,men,coffee: are somethings liked better rich!!
(noticed in a coffee shop)
RE: Complex Copper Cast
Here's another interesting question, which I am going to post in another thread because it deserves the attention.
Can something that is normally used as a slurry coating, be used as a solid plaster-like mold?