Manufacture of refractory products

NACE Rev. 2.1Class

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What this code covers

Use this class for manufacture of refractory products when the main activity includes Manufacture of intermediate products from mined or quarried non-metallic minerals (e.g. gravel, stone or clay) and Manufacture of refractory mortars, concretes, etc.. Check exclusions and nearby codes before applying it to a mixed activity.

Official NACE Rev. 2.1 labels and explanatory notes are imported from the source dataset. Plain-language explanations are shown separately so readers can compare interpretation with the source text.

Official explanatory notes

Imported source text for this NACE Rev. 2.1 record.

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

Hierarchy context

Where this code sits in the NACE Rev. 2.1 hierarchy.

Parent code

23.2Manufacture of refractory productsGroup

Child codes

0 children

No child codes; this is a class-level code.

When this code fits

Use this when the main activity matches these signals.

manufacture of intermediate products from mined or quarried non-metallic minerals (e.g. gravel, stone or clay)
manufacture of refractory mortars, concretes, etc.
manufacture of refractory ceramic goods, e.g.:
heat-insulating ceramic goods of siliceous fossil meals

When to compare another code

Compare another code when these signals dominate.

Activities whose main purpose falls outside manufacture of refractory products in the NACE hierarchy

Check before relying on this code

Situations where source text, close alternatives, or local rules may matter.

Compare with 23.2 when the main activity overlaps another code.
Check national equivalent caveats before using this code for local registration or filing workflows.

Use this guide as classification support, not legal, tax, filing, or regulatory advice.

Inclusions

Signals that usually point toward this code.

- manufacture of intermediate products from mined or quarried non-metallic minerals (e.g. gravel, stone or clay)
- manufacture of refractory mortars, concretes, etc.
- manufacture of refractory ceramic goods, e.g.:
- heat-insulating ceramic goods of siliceous fossil meals
- refractory bricks, blocks and tiles, etc.
- retorts, crucibles, muffles, nozzles, tubes, pipes, etc.
- manufacture of refractory articles containing magnesium oxide, calcium magnesium oxide or chromite

Exclusions

Activities that should trigger comparison with another code.

Examples

- Manufacture of intermediate products from mined or quarried non-metallic minerals (e.g. gravel, stone or clay)
- Manufacture of refractory mortars, concretes, etc.
- Manufacture of refractory ceramic goods
- Heat-insulating ceramic goods of siliceous fossil meals

Common mistakes

- Activities whose main purpose falls outside manufacture of refractory products in the NACE hierarchy

Search terms and quick answers

Plain-language discovery help for common business descriptions. These notes are separate from official source text.

Common search terms

Manufacture of refractory products23.20 Manufacture of refractory productsManufacture of intermediate products from mined or quarried non-metallic minerals (e.g. gravel, stone or clay)Manufacture of refractory mortars, concretes, etc.Manufacture of refractory ceramic goods

What is NACE 23.20 used for?

Use NACE 23.20 for manufacture of refractory products when the main activity matches this scope: Use this class for manufacture of refractory products when the main activity includes Manufacture of intermediate products from mined or quarried non-metallic minerals (e.g. gravel, stone or clay) and Manufacture of refractory mortars, concretes, etc.. Check exclusions and nearby codes before applying it to a mixed activity.

Based on: title and summary

What are typical examples for 23.20?

Typical examples include Manufacture of intermediate products from mined or quarried non-metallic minerals (e.g. gravel, stone or clay), Manufacture of refractory mortars, concretes, etc., and Manufacture of refractory ceramic goods.

Based on: examples

When might 23.20 not be the right code?

No separate exclusion examples are available for this record yet; compare nearby hierarchy records before final selection.

Based on: exclusions and nonExamples

Which codes should I compare before choosing 23.20?

Compare 23.20 with 23.2 Manufacture of refractory products when the activity description is ambiguous.

Based on: relatedCodes and nearby codes

Often Confused With

Use these comparisons when the activity description is ambiguous.

23.2

Manufacture of refractory products

Use this group for the broader activity area of manufacture of refractory products, including Manufacture of refractory products. Open the child codes when a more specific code is needed.

Compare these codes

Version changes

Plain-language Rev. 2 to Rev. 2.1 correspondence for this code.

Previous code

23.20

Rev. 2 code 23.20 maps to the same Rev. 2.1 class 23.20 Manufacture of refractory products.

exact

Official close match imported from NACE Rev. 2.1.

Potential impact

Low operational impact is expected, but systems should still store the target Rev. 2.1 version explicitly.

What to check next

Confirm the target version field and update references where Rev. 2.1 is required.

Open change record Convert this old code

What this code covers

Official NACE Rev. 2.1 labels and explanatory notes are imported from the source dataset. Plain-language explanations are shown separately so readers can compare interpretation with the source text.