PlatSil Gel-10 Silicone Rubber is a two-part, platinum-catalyzed, liquid silicone system that cures (RTV) to a milky white, Shore A10 rubber. This silicone is most often used to make prosthetic appliances. This 2-lb kit includes: 1 lb of PlatSil Gel-10 Part A (~1 pint) 1 lb of PlatSil Gel-10 Part B (~1 pint)