Manufacture of other non-metallic mineral products n.e.c. (23.990)

These include:

• manufacture of friction materials and non-installed products on such materials on the basis of mineral substances or cellulose;
• manufacture of mineral insulation materials, such as slag, stone and similar mineral wool, ground mica, expanded clay and similar materials for thermal and sound insulation or silencing;
• manufacture of products from various mineral substances, processed mica and mica, peat or graphite products (with the exception of electrotechnical graphite products) etc.;
• manufacture of products from asphalt and similar substances, such as asphalt adhesives, asphalt-based bitumen mixtures, etc.;
• manufacture of non-metal mineral yarns, carbon and graphite fibre and products (not for electrodes);
• manufacture of artificial corundum;