Equivalent to Baldiez. Introducing Key-Cap, Neill’s Materials very own bald cap plastic. Everything you would expect from a great quality bald cap plastic, made using our very own raw beads. Key-Cap is used for both encapsulating silicone gel prosthetics and as a bald cap plastic. It can be thinned with Acetone and the edges dissolved with Acetone. It can also be thinned in order to spray bald caps.