… (1) Artificial graphite (electro‑graphite) is a variety of carbon, usually prepared in an electric furnace … impermeability to gases, has first been impregnated in a vacuum with tars or resins or with solutions of sugars or …
… : 8514.31 ‑ - Electron beam furnaces 8514.32 ‑ - Plasma and vacuum arc furnaces 8514.39 ‑ - Other 8514.40 ‑ Other … These furnaces are used for the production of pig iron, various ferro‑alloys, calcium carbide, for reducing iron …
