6903

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

Heading

6903

3 immediate children · 4 terminal codes

Children of 6903

6-digit subheadings

6903.10
Containing by weight more than 50 percent of free carbon
1 terminal code
6903.20
Containing by weight more than 50 percent of alumina (Al2O3) or of a mixture or compound of alumina and of silica (SiO2)
1 terminal code
6903.90
Other
2 terminal codes

Showing 3 immediate children