盐（包括食盐和变性盐）和纯氯化钠，无论是否为水溶液或含有添加的抗结块剂或自由流动剂； 海水、其他

Salt (including table salt and denatured salt) and pure sodium chloride, whether or not in aqueous solution or containing added anti-caking or free-flowing agents; sea water — With sodium chloride content more than 60 % but less than 97 %, calculated on a dry basis, fortified with iodine

Quartz (other than natural sands); quartzite, whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape — Quartzite

Natural barium sulphate (barytes); natural barium carbonate (witherite), whether or not calcined, other than barium oxide of heading 28.16 — Natural barium sulphate (barytes)

Other clays (not including expanded clays of heading 68.06), andalusite, kyanite and sillimanite, whether or not calcined; mullite; chamotte or dinas earths — Chamotte or dinas earths

Slate, whether or not roughly trimmed or merely cut, by sawing or otherwise, into blocks or slabs of a rectangular (including square) shape

Natural calcium phosphates, natural aluminium calcium phosphates and phosphatic chalk — Apatite

Portland cement, aluminous cement, slag cement, supersulphate cement and similar hydraulic cements, whether or not coloured or in the form of clinkers — Of a kind used in the manufacture of white cement

Natural calcium phosphates, natural aluminium calcium phosphates and phosphatic chalk — Apatite