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

Subheading

690310

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