Explanatory notes
… sands of chapter 26 (+). 2505.10 ‑ Silica sands and quartz sands 2505.90 ‑ Other With the exception of … 26 ), this heading covers all natural sea, lake, river or quarry sand (i.e., sand in the form of more or less fine … The heading covers, inter alia : (1) Silica sands and quartz sands, used in building, in the glass industry, for …