Compare official labels, inclusions, exclusions, examples, hierarchy, mappings, and practical fit notes.
Use this class for manufacture of abrasive products when the main activity includes Manufacture of millstones, grindstones, grinding wheels, etc., without frameworks, for grinding, sharpening, trueing or cutting, hand sharpening or polishing stones and Manufacture of natural or artificial abrasive powder or grain, on a base of textile material, of paper, of paperboard or of other materials, whether or not cut to shape or sewn or otherwise made. Check exclusions and nearby codes before applying it to a mixed activity.
Use this class for manufacture of other non-metallic mineral products n.e.c. when the main activity includes Manufacture of friction material and unmounted articles thereof with a base of mineral substances or of cellulose and Manufacture of mineral insulating materials. Check exclusions and nearby codes before applying it to a mixed activity.
Use this group for the broader activity area of manufacture of abrasive products and non-metallic mineral products n.e.c., including Manufacture of abrasive products and Manufacture of other non-metallic mineral products n.e.c.. Open the child codes when a more specific code is needed.
A short checklist before choosing one code over another.
These codes share C MANUFACTURING > 23 Manufacture of other non-metallic mineral products > 23.9 Manufacture of abrasive products and non-metallic mineral products n.e.c. before they diverge.
23.91, 23.99 already list another compared code as related or often confused.
23.99 include official exclusions that may point to a better-fitting code.
23.99, 23.9 have non-exact Rev. 2 to Rev. 2.1 mappings; review old records before migration.
| Comparison field | 23.91 | 23.99 | 23.9 |
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| Official title | Manufacture of abrasive products | Manufacture of other non-metallic mineral products n.e.c. | Manufacture of abrasive products and non-metallic mineral products n.e.c. |
| Plain-language summary | Use this class for manufacture of abrasive products when the main activity includes Manufacture of millstones, grindstones, grinding wheels, etc., without frameworks, for grinding, sharpening, trueing or cutting, hand sharpening or polishing stones and Manufacture of natural or artificial abrasive powder or grain, on a base of textile material, of paper, of paperboard or of other materials, whether or not cut to shape or sewn or otherwise made. Check exclusions and nearby codes before applying it to a mixed activity. | Use this class for manufacture of other non-metallic mineral products n.e.c. when the main activity includes Manufacture of friction material and unmounted articles thereof with a base of mineral substances or of cellulose and Manufacture of mineral insulating materials. Check exclusions and nearby codes before applying it to a mixed activity. | Use this group for the broader activity area of manufacture of abrasive products and non-metallic mineral products n.e.c., including Manufacture of abrasive products and Manufacture of other non-metallic mineral products n.e.c.. Open the child codes when a more specific code is needed. |
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| Parent hierarchy | C MANUFACTURING > 23 Manufacture of other non-metallic mineral products > 23.9 Manufacture of abrasive products and non-metallic mineral products n.e.c. > 23.91 Manufacture of abrasive products | C MANUFACTURING > 23 Manufacture of other non-metallic mineral products > 23.9 Manufacture of abrasive products and non-metallic mineral products n.e.c. > 23.99 Manufacture of other non-metallic mineral products n.e.c. | C MANUFACTURING > 23 Manufacture of other non-metallic mineral products > 23.9 Manufacture of abrasive products and non-metallic mineral products n.e.c. |
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