Heading 6806

Slag, rock wool and similar mineral wools; exfoliated vermiculite, expanded clays, foamed slag, mixtures and articles of heat, sound insulating or sound-absorbing mineral materials

680610 Slag wool, rock wool and similar mineral wools (including intermixtures thereof), in bulk, sheets or rolls 680620 Exfoliated vermiculite, expanded clays, foamed slag and similar expanded mineral materials (including intermixtures thereof) 680690 Minerals; mixtures and articles of heat-insulating, sound-insulating or sound-absorbing mineral materials, other than those of heading no. 6811 or 6812 or of chapter 69