Clays, e.g. bentonites, smectites such as montmorillonite, vermiculites or kaolines, e.g. illite, talc or sepiolite

Full Title

Aspects relating to ceramic starting mixtures or sintered ceramic products > Composition of constituents of the starting material or of secondary phases of the final product > Constituents and secondary phases not being of a fibrous nature > Non-metal oxides, non-metal mixed oxides, or salts thereof that form the non-metal oxides upon heating, e.g. carbonates, nitrates, (oxy)hydroxides, chlorides > Clays, e.g. bentonites, smectites such as montmorillonite, vermiculites or kaolines, e.g. illite, talc or sepiolite