Explanatory notes
… support of paper, paperboard or other materials. 6814.10 - Plates, sheets and strips of agglomerated or reconstituted … or strip form, in all thicknesses, often with a fairly large surface area; the sheets, etc., are generally backed … windows for ovens, stoves, furnaces, etc., of unbreakable lamp “glasses”, and of “glasses” for goggles, etc. But mica …