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ISIC Rev.4
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Detailed structure and explanatory notes

ISIC Rev.4 code 2399


  • Section: C - Manufacturing
  • Division: 23 - Manufacture of other non-metallic mineral products
  • Group: 239 - Manufacture of non-metallic mineral products n.e.c.
  • Class: 2399 - Manufacture of other non-metallic mineral products n.e.c.

Explanatory note

This class includes:
- manufacture of millstones, sharpening or polishing stones and natural or artificial abrasive products, including abrasive products on a soft base (e.g. sandpaper)
- 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, of graphite (other than electrical articles) etc.
- manufacture of articles of asphalt or similar material, e.g. asphalt-based adhesives, coal tar pitch etc.
- carbon and graphite fibers and products (except electrodes and electrical applications)

This class excludes:
- manufacture of glass wool and non-woven glass wool products, see 2310
- manufacture of carbon or graphite gaskets, see 2819

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