… colloidal or semi-colloidal graphite; preparations based on graphite or other carbon in the form of pastes, …
Explanatory notes
… colloidal or semi‑colloidal graphite; preparations based on graphite or other carbon in the form of pastes, … graphite (electro‑graphite) is a variety of carbon, usually prepared in an electric furnace by heating a mixture of … mixture (e.g., silica or iron oxide). The mixture is first extruded or moulded under pressure into “green” blocks of …