Explanatory notes
… mineral wools (including intermixtures thereof), in bulk, sheets or rolls 6806.20 - Exfoliated vermiculite, expanded … They differ from the latter by their chemical composition (see Note 4 to Chapter 70), while their fibres are generally … made from the above products or mixtures (e.g., blocks, sheets, bricks, tiles, tubes, cylinder shells, cords, pads). …