CLANAE 23.910—Manufacturing of refractory ceramic products

Where 23.910 sits

1. C Manufacturing industry
2. 23 Manufacturing of non-metallic mineral products
3. 23.9 Manufacture of non-metallic mineral products n.e.c.
4. 23.91 Manufacturing of refractory ceramic products
5. 23.910 Manufacturing of refractory ceramic products

What 23.910 includes

• The manufacture of ceramic articles for thermal insulation by molding.
• The firing of fossil silicates.
• The manufacture of refractory ceramic articles for construction, for example: - blocks - bricks - tiles
• The manufacture of ceramic products resistant to the high temperatures of metallurgy.
• The manufacture of: - nozzles - pipes - refractory cements - crucibles - mortars - muffles - retorts - tuyeres - tubes
• The manufacture of articles containing magnesite, dolomite, or chromite.

What 23.910 excludes

• The manufacture of non-refractory clay and ceramic products for structural use (subclass 23.920)
• The manufacture of non-refractory ceramic articles for non-structural use (subclass 23.939).

23.910 in other systems