Flexil Vinyl Rubber
Vinyl rubbers are re-usable self releasing rubbers supplied in solid blocks. Very versatile they produce moulds for a wide range of casting applications such as polyesters, epoxies, plaster and concrete casting. They require heating to approx. 170ºC before being poured over formers to produce moulds good for up to 10 castings. Moulds can be cut up and remelted. Porous or damp formers should be sealed with G4 sealer. Available in various grades offering a choice of flexibility. The more flexible the rubber the less durable. Yellow is the hardest. White is medium hard. Red is the softest .