HEADING 69.03 - 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.

106 COMMODITIES

6903.10 - Containing by weight more than 50 % of graphite or other carbon or of a mixture of these products

6903.20 - Containing by weight more than 50 % of alumina (Al2O3) or of a mixture or compound of alumina and of silica (SiO2)

6903.90 - Other

This heading covers all refractory goods not specified or included in the preceding headings.

These articles include :

(1) Articles which unlike the refractory products of heading 69.02 are in many cases not permanent fixtures such as retorts reaction vessels crucibles cupels and similar articles for industrial or laboratory use muffles nozzles plugs burner jets and similar parts of furnaces; saggars stands and other kiln furniture to support or separate pottery during firing; sheaths and rods; stands for crucibles; ingot moulds; etc.

(2) Tubing piping (including runways in the form of half-cylinders) and angles bends and similar tube or pipe fittings even if intended for use as permanent fixtures in construction work.

The heading does not however include Seger cones (ceramic firing testers) (see Explanatory Note to heading 38.24); these are not fired after shaping.