… Articles of stone or of other mineral substances (including carbon fibres, articles of carbon …
Explanatory notes
… 68.15 - Articles of stone or of other mineral substances (including carbon fibres, articles of carbon … in the Nomenclature; it therefore excludes , for example, ceramic products of Chapter 69 . The heading covers, inter … Explanatory Note). (b) Refractory goods, fired as ceramics, with a basis of carbonaceous substances (graphite, …