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NACE Rev. 2 23.20: Manufacture of refractory products

Becomes 23.20 in NACE Rev. 2.1. ISIC Rev. 4: 2391.

NACE Rev. 2 class 23.20 is "Manufacture of refractory products". In NACE Rev. 2.1 the same activity is class 23.20, "Manufacture of refractory products".

Where the activity goes in NACE Rev. 2.1

NACE Rev. 2.1Label
23.20Manufacture of refractory products

What the class includes (Rev. 2)

This class includes the manufacture of intermediate products from mined or quarried non-metallic minerals, such as sand, gravel, stone or clay. This class includes: - manufacture of refractory mortars, concretes etc. - manufacture of refractory ceramic goods: • heat-insulating ceramic goods of siliceous fossil meals • refractory bricks, blocks and tiles etc. • retorts, crucibles, muffles, nozzles, tubes, pipes etc.

The label in 24 languages

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Official classification texts from EU Vocabularies (Publications Office of the European Union, CC BY 4.0), read on 2026-10-05. Correspondence tables link classes that cover the same activities; one old class can be split across several new ones, so check the notes before you convert a dataset. Information only.