Add to Wish list Quick view PlatSil Gel-OO20 $55.00 PlatSil® Gel-OO20 Silicone Rubber is a two-part, platinum-catalyzed, liquid silicone system that cures (RTV) to a milky white, Shore OO20 rubber. This silicone is most often used to make hyper-realistic silicone masks, prosthetic appliances,... Compare Add to Cart