336-1 Description. Produce asphalt rubber binder for use in Asphalt Concrete Friction Courses and Asphalt Rubber Membrane Interlayers. 336-2 Materials. 336-2.1 Superpave PG Asphalt Binder: For the particular grade of asphalt as specified in Table 336-1, meet the requirements of Section 916. 336-2.2 Ground Tire Rubber: For the type of ground tire rubber, meet the requirements of Section 919. 336-3 Asphalt Rubber Binder. Thoroughly mix and react the asphalt binder and ground tire rubber in accordance with the requirements of Table 336-1. Use a rubber type that is in accordance with the verified mix design. Accomplish blending of the asphalt binder and ground tire rubber at the supplier’s terminal or at the project site.