23 - Manufacture of other non-metallic mineral products

This Chapter has been extracted from the ONS Explanatory Notes and provides a more detailed explanation of possible activities that could fall within the SIC Codes related to the Chapter.

This division includes manufacturing activities related to a single substance of mineral origin. This division includes the manufacture of glass and glass products (e.g. flat glass, hollow glass, fibres, technical glassware etc.), ceramic products, tiles and baked clay products, and cement and plaster, from raw materials to finished articles. The manufacture of shaped and finished stone and other mineral products is also included in this division.

23.1 Manufacture of glass and glass products

This group includes glass in all its forms, made by any process, and articles of glass.

23.11 Manufacture of flat glass

This class includes:
- manufacture of flat glass, including wired, coloured or tinted flat glass


23.12 Shaping and processing of flat glass

This class includes:
- manufacture of toughened or laminated flat glass
- manufacture of glass mirrors
- manufacture of multiple-walled insulating units of glass


23.13 Manufacture of hollow glass

This class includes:
- manufacture of bottles and other containers of glass or crystal
- manufacture of drinking glasses and other domestic glass or crystal articles

This class excludes:
- manufacture of glass toys, see 32.40


23.14 Manufacture of glass fibres

This class includes:
- manufacture of glass fibres, including glass wool and non-woven products thereof

This class excludes:
- manufacture of woven fabrics of glass yarn, see 13.20
- manufacture of fibre optic cable for data transmission or live transmission of images, see 27.31


23.19 Manufacture and processing of other glass, including technical glassware

This class includes:
- manufacture of laboratory, hygienic or pharmaceutical glassware
- manufacture of clock or watch glasses, optical glass and optical elements not optically worked
- manufacture of glassware used in imitation jewellery
- manufacture of glass insulators and glass insulating fittings
- manufacture of glass envelopes for lamps
- manufacture of glass figurines
- manufacture of glass paving blocks
- manufacture of glass in rods or tubes

This class excludes:
- manufacture of optical elements optically worked, see 26.70
- manufacture of syringes and other medical laboratory equipment, see 32.50


23.2 Manufacture of refractory products

23.20 Manufacture of refractory products 

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.

This class also includes:
- manufacture of refractory articles containing magnesite, dolomite or chromite


23.3 Manufacture of clay building materials

23.31 Manufacture of ceramic tiles and flags 

This class includes:
- manufacture of non-refractory ceramic hearth or wall tiles, mosaic cubes etc.
- manufacture of non-refractory ceramic flags and paving

This class excludes:
- manufacture of artificial stone (e.g. cultured marble), see 22.23
- manufacture of refractory ceramic products, see 23.20 
- manufacture of ceramic bricks and  roofing tiles, see 23.32


23.32 Manufacture of bricks, tiles and construction products, in baked clay

This class includes:
- manufacture of structural non-refractory clay building materials:
• manufacture of ceramic bricks, roofing tiles, chimney pots, pipes, conduits etc.
- manufacture of flooring blocks in baked clay

This class excludes:
- manufacture of refractory ceramic products, see 23.20
- manufacture of non-structural non-refractory ceramic products, see 23.4


23.4 Manufacture of other porcelain and ceramic products

This group includes the manufacture of final products from mined or quarried non-metallic minerals, such as sand, gravel, stone or clay.
 

23.41 Manufacture of ceramic household and ornamental articles

This class includes:
- manufacture of ceramic tableware and other domestic or toilet articles
- manufacture of statuettes and other ornamental ceramic articles

This class excludes:
- manufacture of imitation jewellery, see 32.13
- manufacture of ceramic toys, see 32.40


23.42 Manufacture of ceramic sanitary fixtures 

This class includes:
- manufacture of ceramic sanitary fixtures, e.g. sinks, baths, bidets, water closet pans etc.
- manufacture of other ceramic fixtures

This class excludes:
- manufacture of refractory ceramic goods, see 23.20
- manufacture of ceramic building materials, see 23.3


23.43 Manufacture of ceramic insulators and insulating fittings 

This class includes:
- manufacture of electrical insulators and insulating fittings of ceramics

This class excludes:
- manufacture of refractory ceramic goods, see 23.20


23.44 Manufacture of other technical ceramic products

This class includes:
- manufacture of ceramic and ferrite magnets
- manufacture of ceramic laboratory, chemical and industrial products

This class excludes:
- manufacture of artificial stone (e.g. cultured marble), see 22.23
- manufacture of refractory ceramic goods, see 23.20
- manufacture of ceramic building materials, see 23.3


23.49 Manufacture of other ceramic products

This class includes:
- manufacture of ceramic pots, jars and similar articles of a kind used for conveyance or packing of goods
- manufacture of ceramic products n.e.c.

This class excludes:
- manufacture of ceramic sanitary fixtures, see 23.42
- manufacture of artificial teeth, see 32.50


23.5 Manufacture of cement, lime and plaster

23.51 Manufacture of cement

This class includes:
- manufacture of clinkers and hydraulic cements, including Portland, aluminous cement, slag cement and superphosphate cements

This class excludes:
- manufacture of refractory mortars, concrete etc., see 23.20
- manufacture of ready-mixed and dry-mix concrete and mortars, see 23.63, 23.64
- manufacture of articles of cement, see 23.69
- manufacture of cements used in dentistry, see 32.50


23.52 Manufacture of lime and plaster 

This class includes:
- manufacture of quicklime, slaked lime and hydraulic lime
- manufacture of plasters of calcined gypsum or calcined sulphate

This class also includes:
- manufacture of calcined dolomite

This class excludes:
- manufacture of articles of plaster, see 23.62, 23.69

23.6 Manufacture of articles of concrete, cement and plaster

23.61 Manufacture of concrete products for construction purposes

This class includes:
- manufacture of precast concrete, cement or artificial stone articles for use in construction:
• tiles, flagstones, bricks, boards, sheets, panels, pipes, posts etc.
- manufacture of prefabricated structural components for building or civil engineering of cement, concrete or artificial stone


23.62 Manufacture of plaster products for construction purposes 

This class includes:
- manufacture of plaster articles for use in construction:
• boards, sheets, panels etc.

23.63 Manufacture of ready-mixed concrete

This class includes:
- manufacture of ready-mix and dry-mix concrete and mortars

This class excludes:
- manufacture of refractory cements, see 23.20


23.64 Manufacture of mortars 

This class includes:
- manufacture of powdered mortars

This class excludes:
- manufacture of refractory mortars, see 23.20
- manufacture of dry-mixed concrete and mortars, see 23.63


23.65 Manufacture of fibre cement

This class includes:
- manufacture of building materials of vegetable substances (wood wool, straw, reeds, rushes)
agglomerated with cement, plaster or other mineral binder
- manufacture of articles of asbestos-cement or cellulose fibre-cement or the like:
• corrugated sheets, other sheets, panels, tiles, tubes, pipes, reservoirs, troughs, basins, sinks, jars,
furniture, window frames etc.


23.69 Manufacture of other articles of concrete, plaster and cement

This class includes:
- manufacture of other articles of concrete, plaster, cement or artificial stone:
• statuary, furniture, bas- and haut-reliefs, vases, flowerpots etc.


23.7 Cutting, shaping and finishing of stone

23.70 Cutting, shaping and finishing of stone 

This class includes:
- cutting, shaping and finishing of stone for use in construction, in cemeteries, on roads, as roofing etc.
- manufacture of stone furniture

This class excludes:
- activities carried out by operators of quarries, e.g. production of rough cut stone, see 08.11
- production of millstones, abrasive stones and similar products, see 23.9


23.9 Manufacture of abrasive products and non-metallic mineral products n.e.c. 

This group includes the manufacture of other non-metallic mineral products.


23.91 Production of abrasive products

This class includes:
- manufacture of millstones, sharpening or polishing stones and natural or artificial abrasive products on a support, including abrasive products on a soft base (e.g. sandpaper)


23.99 Manufacture of other non-metallic mineral products n.e.c.

This class includes:
- 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.
- manufacture of carbon and graphite fibres and products (except electrodes and electrical applications)
- manufacture of artificial corundum

This class excludes:
- manufacture of glass wool and non-woven glass wool products, see 23.14
- manufacture of graphite electrodes, see 27.90
- manufacture of carbon or graphite gaskets, see 28.29

 

For all queries related to this Chapter or any other aspect of SIC Codes, please contact the Office of National Statistics on 01329 444970 or email classifications.helpdesk@ons.gov.uk.