… Optical fibres and optical fibre bundles; optical fibre cables other than those of heading 85.44; sheets and plates …
Explanatory notes
… ‑ Optical fibres and optical fibre bundles; optical fibre cables other than those of heading 85.44; sheets and plates … drawn from glass have a very thin coating of plastics, invisible to the naked eye, which renders the fibres less … Glasses of heading 70.15 , not optically worked (e.g., blanks for contact lenses or for corrective spectacle …