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Section XIII — Articles of stone, plaster, cement, asbestos, mica or similar materials; ceramic products; glass and glassware

Chapter 69 — Ceramic products

Heading 6903 — Other refractory ceramic goods (for example, retorts, crucibles, muffles, nozzles, plugs, supports, cupels, tubes, pipes, sheaths and rods), other than those of siliceous fossil meals or of similar siliceous earths.

Subheading

6903.10 Containing, by weight, more than 50 % of free carbon

Common commodities
High-carbon graphite refractory bricksCarbon composite insulating blocksGraphite-bonded heat-resistant cruciblesCarbon-rich ceramic monolithic shapesHeat shield panels with carbon bondingGraphite-based refractory linings for ovensCarbon composite refractory firebricksHigh-carbon graphite electrodes for furnacesRefractory ceramic nozzles with carbon bondingCarbon-rich crucibles for metal smelting

HS codes