HS 690320 · CONSTRUCTION MATERIALS

High-alumina refractory ceramics in East Africa

Refractory ceramic goods rich in alumina, such as crucibles and nozzles; bought by foundries and cement and steel plants.

Customs description: Refractory ceramic goods; containing by weight more than 50% of alumina or of a mixture or compound of alumina and of silica, excluding those of siliceous fossil meals or similar earths