… Colloidal or semi-colloidal graphite …
Classification opinions
… 1. Colloidal and semi-colloidal graphite, in dispersion in mineral oil, being products containing 70 % or more of mineral oil, graphite particles (in a proportion of 2 to 30 %) and, in … cases, stabilisers, used mainly for the preparation of graphited oils or for forming graphited surfaces, the …