239902 Manufacture of other non-metallic mineral products n.e.c.

This type includes:

• manufacture of friction material and unmounted articles thereof with a base of mineral substances or of cellulose
• manufacture of mineral insulating materials:
• 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:
• worked mica and articles of mica, of peat (except briquets), of graphite (other than electrical articles), etc.
• manufacture of carbon and graphite fibres and products (except electrodes and electrical applications)
• manufacture of artificial corundum

This type excludes:

• manufacture of glass wool and non-woven glass wool products (see 231400)
• manufacture of graphite electrodes (see 279000)
• manufacture of carbon or graphite gaskets (see 282900)