… 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 … rubber with a high proportion (more than 15 parts per hundred parts of rubber) of combined sulphur. Hard rubber may also contain pigments and high levels of fillers, for example, coal, clays and silica. In the absence …