What is Compression Molding? Silicone Compression molding is a process where heat is used to create silicone rubber component, the rubber material is placed into a mold cavity. Then the mold is closed and held at a certain temperature, where it takes the shape of the mold. #SiliconeCompressionmolding https://www.nice-rapidtooling.com/silicone-compression-molding-a-447.html