23 – Manufacture of other non-metallic mineral products

This class includes: - manufacture of flat glass (e.g. cast, rolled, drawn or blown), surface ground or polished glass in sheets and sheets of float glass, opacified, flashed or having an absorbent, reflecting or non-reflecting layer, including wired, coloured throughout the mass, or tinted flat glass · This class also includes: - shaping and processing done as part of the manufacturing process · This class excludes: - shaping and processing of flat glass sheets (e.g. bending, engraving, laminating, tempering), see 23.12

This class includes: - manufacture of bent, edgeworked, engraved, drilled or enamelled glass sheets or profiles - manufacture of toughened or laminated safety glass - manufacture of glass mirrors - manufacture of multiple-walled insulating glass and units of glass - manufacture of coated glass - surface treatment of flat glass · This class excludes: - printing onto glass, see 18.12 - manufacture of vehicle mirrors, see 29.32

This class includes: - manufacture of bottles and other containers of glass or crystal - manufacture of drinking glasses, glassware for table or kitchen purposes and other domestic glass or crystal articles · This class also includes: - manufacture of glass inners for vacuum vessels - cutting or otherwise decorating drinking glasses · This class excludes: - printing onto glass, see 18.12 - manufacture of glass toys, see 32.40

This class includes: - manufacture of glass fibres, including glass wool and non-woven products thereof - manufacture of products from glass fibres · This class excludes: - manufacture of woven fabrics of glass yarn, see 13.96 - manufacture of slag wool, rock wool and similar mineral wools, see 23.99 - manufacture of fibre-optic cables for data transmission or live transmission of images, see 27.31

This class includes: - manufacture of laboratory, hygienic or pharmaceutical glassware - manufacture of clock or watch glass, 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 blocks and bricks, slabs, squares and tiles, of a kind used for building or construction purposes, and multicellular or foam glass in blocks, panels, plates, shells or similar forms - manufacture of glass in rods or tubes · This class also includes: - manufacture of glass doors, walls, etc. - finishing of other glass, including technical glass (e.g. cutting or mechanically polishing glassware) · This class excludes: - manufacture of optical elements optically worked, see 26.70 - manufacture of syringes and other medical laboratory equipment, see 32.50

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. · This class also includes: - manufacture of refractory articles containing magnesium oxide, calcium magnesium oxide or chromite

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 refractory ceramic products, see 23.20 - manufacture of ceramic bricks and roofing tiles, see 23.32 - manufacture of artificial stone articles for use in construction, see 23.61

This class includes: - manufacture of structural non-refractory ceramic articles, obtained by firing clay building materials (e.g. ceramic bricks, roofing tiles, chimney pots, pipes, conduits) - 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

This class includes: - manufacture of ceramic tableware, kitchenware, household articles, toilet articles, statuettes and other ornamental articles of ceramics (e.g. porcelain, china, common pottery, stoneware, earthenware or fine pottery) · This class excludes: - manufacture of imitation jewellery, see 32.13 - manufacture of ceramic toys, see 32.40

This class includes: - manufacture of ceramic sanitary fixtures (e.g. sinks, washbasins, washbasin pedestals, baths, bidets, water closet pans, flushing cisterns) · This class excludes: - manufacture of refractory ceramic goods, see 23.20 - manufacture of ceramic building materials, see 23.3

This class includes: - manufacture of electrical insulators and insulating fittings for electrical purposes, of ceramics · This class excludes: - manufacture of refractory ceramic goods, see 23.20

This class includes: - manufacture of permanent magnets and articles intended to become permanent magnets after magnetisation, of materials other than metal (e.g. agglomerated ferrite) - manufacture of ceramic wares for laboratory, chemical or other technical uses · This class excludes: - manufacture of refractory ceramic goods, see 23.20 - manufacture of ceramic building materials, see 23.3 - manufacture of artificial stone (e.g. cultured marble), see 23.66

This class includes: - manufacture of ceramic pots, jars and similar articles, of a kind used for conveyance or packing of goods - manufacture of ceramic troughs, tubs and similar receptacles, of a kind used in agriculture - 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

This class includes: - manufacture of clinker and hydraulic cements, including Portland cement, aluminous cement, slag cement, supersulphate cement and similar hydraulic cements, whether or not coloured or in the form of clinker · 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 23.65, 23.66 - manufacture of cements used in dentistry, see 32.50

This class includes: - manufacture of quicklime, slaked lime and hydraulic lime - manufacture of plasters of calcined gypsum or calcium sulphate · This class also includes: - manufacture of calcined or sintered dolomite · This class excludes: - manufacture of pure calcium oxide and calcium hydroxide, see 20.12 - manufacture of articles of plaster, see 23.62, 23.66

This class includes: - manufacture of precast concrete, cement or artificial stone articles for use in construction: • tiles, flagstones, building blocks, bricks, boards, sheets, panels, pipes, posts, etc. - manufacture of prefabricated structures and structural components for building or civil engineering, traffic control and obstruction, of cement, concrete or artificial stone - manufacture of prefabricated factory-made elements of brick for construction of prefabricated structures to be used in landscaping and retaining wall, wastewater and stormwater management, and underground utilities - manufacture of factory-made elements with concrete - manufacture of prefabricated concrete pipes for drinking water · This class also includes: - manufacture of calcium silicate masonry units - manufacture of autoclaved aerated concrete masonry units · This class excludes: - manufacture of other articles of concrete, cement and plaster not for use in construction, see 23.66

This class includes: - manufacture of articles of plaster or compositions based on plaster for use in construction: • boards, sheets, panels, tiles and similar articles, not ornamented

This class includes: - manufacture of concrete ready to pour, i.e. to which water has already been added and which is usually transported in concrete mixer lorries · This class excludes: - manufacture of refractory cements, see 23.20

This class includes: - manufacture of non-refractory mortars and of concrete not yet mixed with water · This class excludes: - manufacture of refractory mortars, see 23.20 - manufacture of ready-mixed concrete and concrete ready to pour, see 23.63

This class includes: - manufacture of panels, boards, tiles, blocks and similar articles of vegetable substances (e.g. wood wool, straw, reeds, rushes) agglomerated with cement, plaster or other mineral binders - manufacture of articles of asbestos cement or cellulose fibre cement, e.g.: • corrugated sheets, other sheets, panels, tiles, tubes, pipes, reservoirs, troughs, basins, sinks, jars, window frames · This class excludes: - manufacture of insulating fibreboards of wood or other ligneous fibres, whether or not bonded with resins or other organic substances, see 16.21

This class includes: - manufacture of other articles of concrete, plaster or of compositions based on plaster, cement or artificial stone (e.g. statuary, bas- and haut-reliefs, vases, flowerpots) · This class also includes: - manufacture of ornamented boards or panels of plaster or of compositions based on plaster - other articles of calcium silicate - other articles of autoclaved aerated concrete · This class excludes: - manufacture of precast concrete, cement or artificial stone articles for use in construction, see 23.61

This class includes: - cutting, shaping and finishing of stone (e.g. for use in construction, in cemeteries, on roads, as roofing) - 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

This class includes: - manufacture of millstones, grindstones, grinding wheels, etc., without frameworks, for grinding, sharpening, trueing or cutting, hand sharpening or polishing stones · This class also includes: - 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