Explanatory notes
… fibrous plaster (plaster reinforced with wisps of tow, etc., and generally mixed with a solution of gelatin or … fibres, wood fibre, sawdust, sand, lime, slag, phosphates, etc., but in which plaster is the essential element. These … plaster fracture splints ( heading 90.21 ). (b) Panels, etc., agglomerated with plaster, of heading 68.06 or 68.08 . …