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

This class includes:

• manufacture of friction material and unmounted articles thereof with a base of mineral substances or of cellulose
• manufacture of mineral insulating materials, e.g.:
  • slag wool, rock wool and similar mineral wools; exfoliated vermiculite, expanded clays and similar heat-insulating, sound-insulating or sound-absorbing materials
• manufacture of articles of diverse mineral substances, e.g.:
  • worked mica and articles of mica, of peat, of graphite (other than electrical articles)
• manufacture of articles of asphalt or similar material (e.g. petroleum bitumen or coal tar pitch)
• manufacture of carbon and graphite fibres and products (except electrodes and electrical applications)
• manufacture of artificial corundum

This class excludes:

• manufacture of glass wool and non-woven glass wool products, see 23.14
• manufacture of graphite electrodes, see 27.90
• manufacture of carbon or graphite gaskets, see 28.29