Containing, by weight, more than 7|% but less than 45|% of alumina (Al@2O@3)

Other

Silicon carbide reactor tubes and holders having a maximum service temperature of 1370 °C or more

Other

Silicon nitride (Si3N4) rollers or balls

Ceramic proppants, containing aluminium oxide, silicon oxide and iron oxide

Supports for catalysts, consisting of porous cordierite or mullite ceramic pieces, of an overall volume of not more than 65|l, having, per cm$2|of the cross-section, not less than one continuous channel which may be open at both ends or stopped at one end

Ceramic-carbon absorption or adsorption cartridges of fuel motor vehicle systems, with the following characteristics: -extruded fired ceramic bound multicellular cylindrical structure, -5 % or more by weight but not more than 70 % by weight of activated carbon, -30 % or more by weight but no more than 90 % by weight of ceramic binder, -with a diameter of 29 mm or more but no more than 41 mm, -a length of not more than 150 mm, -fired at temperature of 800 °C or more

Ceramic articles made of continuous filaments of ceramic oxides, containing by weight: -|2|% or more of diboron trioxide, -|28|% or less of silicon dioxide and -|60|% or more of dialuminium trioxide

Supports for catalysts, consisting of porous ceramic pieces, of a blend of silicon carbide and silicon, with a hardness of less than 9|on the Mohs scale, with a total volume of not more than 65|litres, having, per cm$2|of the surface of the cross section one or more closed channels at the tail end

Supports for catalysts or filters, consisting of porous ceramics made primarily from oxides of aluminium and titanium; with a total volume of not more than 65|litres and at least one duct (open on one or both ends) per cm$2|of cross section

Other

Tableware and kitchenware, excluding condiment or spice mills and their ceramic grinding parts, coffee mills, knife sharpeners, sharpeners, kitchen tools to be used for cutting, grinding, grating, slicing, scraping and peeling, cordierite ceramic pizza-stones of a kind used for baking pizza or bread

Other

Tableware and kitchenware, excluding condiment or spice mills and their ceramic grinding parts, coffee mills, knife sharpeners, sharpeners, kitchen tools to be used for cutting, grinding, grating, slicing, scraping and peeling, cordierite ceramic pizza-stones of a kind used for baking pizza or bread

Other

Tableware and kitchenware, excluding condiment or spice mills and their ceramic grinding parts, coffee mills, knife sharpeners, sharpeners, kitchen tools to be used for cutting, grinding, grating, slicing, scraping and peeling, cordierite ceramic pizza-stones of a kind used for baking pizza or bread

Other

Hand-made

Other

Hand-made

Other

Ceramic articles made of continuous filaments of ceramic oxides, containing by weight: -|2|% or more of diboron trioxide, -|28|% or less of silicon dioxide and -|60|% or more of dialuminium trioxide

Ceramic microspheres, transparent, obtained from silicon dioxide and zirconium dioxide, of a diameter of more than 125 µm

Other