Explanatory notes
… for spinning, felting, etc., or for use as filtering, insulating, packing, etc., materials). Crude asbestos fibres … carbonate, cellulose fibres, sawdust, pumice stone, talc, plaster, siliceous fossil earths, slag, aluminium oxide, … 68.11). Boards are also obtained by bonding superimposed layers of asbestos sheets with plastics. These products …