Cast-A-Mold 25T :
The application is a layer of silicone rubber cast-a-mold 25T or 30T and not to mention the platinum silicone all can be altered its viscosity by adding a thickening agent. The thickening agent allows you to brush on the silicone rubber onto your subject model. The plaster provides the support that keeps the shape intact in the process of casting. This process is commonly used in the movie industry.