… 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 and scrap; articles of hard rubber. Hard … acquire a highly lustrous finish when polished. This heading covers hard rubber including the cellular variety, … in Chapters 86 to 88 . (c) Instruments and appliances for medical, surgical, dental or veterinary purposes, and other …