… Bricks, blocks, tiles and other ceramic goods of siliceous fossil meals (for example, …
Explanatory notes
… GOODS GENERAL This sub-Chapter covers, whether or not they contain clay : (A) In heading 69.01 ceramic goods … with binders (such as clay or magnesia) and sometimes with other substances (e.g., asbestos, hair, sawdust, coal dust). … conductivity, as well as heat resistance, are desired. Others are used as heat-insulators for working temperatures …