Section 07 Plastics and articles thereof; rubber and articles thereof 40 Rubber and articles thereof 40 17 Hard rubber (for example, ebonite) in all forms, including waste and scrap; articles of hard rubber 40 17 00 - - - Hard rubber (for example, ebonite), in all forms, including waste and scrap Commodity Code Description 40 17 00 10 - - - Hard rubber (for example, ebonite), in all forms, including waste and scrap 40 17 00 20 - - - Articles of hard rubber