… Hard rubber (for example, ebonite) in all forms, including waste and scrap; articles of hard rubber. …
Explanatory notes
… 40.17 ‑ Hard rubber (for example, ebonite) in all forms, including waste … be moulded, sawn, drilled, turned, polished, etc. Many hard rubbers acquire a highly lustrous finish when polished. This … in other Chapters. It includes vats, troughs, articles of tubing, knife handles and knobs, grip‑handles and the like …