Customs Tariff Number 690320 - Search results (3)

Retorts, crucibles, mufflers, nozzles, plugs, supports, cupels, tubes, pipes, sheaths, rods and other refractory ceramic goods, containing > 50% alumina, or a compound of alumina and silica (excl. refractory bricks, blocks, tiles and similar refractory ceramic constructional goods)

Retorts, crucibles, mufflers, nozzles, plugs, supports, cupels, tubes, pipes, sheaths, rods and other refractory ceramic goods, containing, by weight, < 45% of alumina and > 50% of silica (excl. refractory bricks, blocks, tiles and similar refractory ceramic constructional goods)

Retorts, crucibles, mufflers, nozzles, plugs, supports, cupels, tubes, pipes, sheaths, rods and other refractory ceramic goods, containing, by weight, >= 45% of alumina and > 50% of silica (excl. refractory bricks, blocks, tiles and similar refractory ceramic constructional goods)