Epoxy: Glue, Clay and Resin.
Epoxies are a co-polymer, that is they come in 2 parts a resin and a hardener.
I use them in my studio for various things, as a glue, as a top coat (they add a wet shiny glossy mess to just about anything), and as a sculpting compound.
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This is a topic that I have wanted to write about for some time.
Foams.
There are 2 types of foam that prop builders use when building props.
There are 2 part polyurethane foams: Which are closed cell, and cure via a chemical reaction when the 2 parts are mixed together. This is [...]