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2531 Fertiliser Manufacturing This Class consists of units mainly engaged in manufacturing chemical or chemical based fertilisers, mixed fertilisers, organic or fertilisers n.e.c. Primary Activities 2532 Industrial Gas Manufacturing This Class consists of units mainly engaged in manufacturing hydrogen, oxygen, acetylene or other industrial gases (except gases obtained from petroleum mining or refining). Exclusions / References
(b) recovering or manufacturing hydrocarbon gases in conjunction with petroleum refining are included in Class 2510 Petroleum Refining; and (c) manufacturing town gas from coal or petroleum are included in Class 3620 Gas Supply. Acetylene gas mfg; Carbon dioxide gas mfg; Carbon monoxide mfg; Dry ice mfg; Hydrogen mfg; Nitrogen mfg; Nitrous oxide mfg; Oxygen mfg 2533 Synthetic Resin Manufacturing This Class consists of units mainly engaged in manufacturing synthetic resins. This Class also includes units mainly engaged in manufacturing synthetic rubber. Exclusions / References
(b) Gelatin mfg (other than chemically hardened), synthetic resin adhesives or plastic adhesives are included in Class 2549 Chemical Product Mfg n.e.c. Cellulose nitrate mfg; Cellulosic resin mfg; Gelatin (chemically hardened) mfg; Gun-cotton mfg; Plastic raw material mfg; Plastic recycling; Polyethylene mfg; Polypropylene mfg; Polystyrene mfg; Polyvinyl acetate mfg; Polyvinyl chloride mfg; Rubber recycling; Synthetic resin mfg (except adhesives); Synthetic rubber mfg 2534 Organic Industrial Chemical Manufacturing n.e.c. This Class consists of units mainly engaged in manufacturing organic industrial chemicals n.e.c. Exclusions / References
(b) synthetic resin adhesives or plastic adhesives are included in Class 2549 Chemical Product Mfg n.e.c. Acid, organic, mfg; Carbon tetrachloride mfg; Chemical colour, organic, mfg (except prepared tinting colour for paints); Chloroform mfg; Colour, lake, mfg; Dye intermediates mfg; Dyeing extract, organic, mfg; Ethylene glycol mfg; Industrial chemical, organic, mfg n.e.c.; Industrial fatty acid mfg; Lactic acid mfg; Phenol mfg; Pigment, organic, mfg; Plasticisers mfg; Styrene mfg; Tanning extract mfg; Toluol mfg; Turpentine mfg (except mineral turpentine); Urea mfg (except fertiliser grade); Vinyl chloride mfg; Wood tar mfg 2535 Inorganic Industrial Chemical Manufacturing n.e.c. This Class consists of units mainly engaged in manufacturing inorganic industrial chemicals n.e.c. Exclusions / References
(b) manufacturing silicon carbide or other synthetic abrasives are included in Class 2640 Non-Metallic Mineral Product Mfg n.e.c. Acid, inorganic, mfg; Aluminium hydroxide mfg; Ammonia mfg (except fertiliser grade); Calcium chloride mfg; Chemical colour, inorganic, mfg (except prepared tinting colours for paints); Chloride of lime mfg; Chlorine mfg; Dyeing extract, inorganic, mfg; Fluoride mfg; Fluorine salt, complex, mfg; Hydrochloric acid mfg; Hydrogen peroxide mfg; Hypophosphite mfg; Industrial chemical, inorganic, mfg n.e.c.; Nitric acid mfg; Nitrite mfg; Oleum mfg; Phosphoric acid mfg; Pigment, inorganic, mfg; Polyphosphoric acid mfg; Salt refining (except cooking or table salt); Silicate mfg; Sodium bicarbonate mfg; Sodium carbonate mfg; Sodium hydroxide mfg; Sodium mfg; Sulphide mfg; Sulphur compounds mfg; Sulphuric acid mfg (other than smelter by-product); Tanning extract inorganic, mfg; Zinc oxide mfg; Zinc peroxide mfg
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