HS 3815: Reaction initiators, reaction accelerators and catalytic...

Notas explicativas

Reaction initiators, reaction accelerators and catalytic preparations, not elsewhere specified or included

Source: eu_cn_en (EUR-Lex 02019XC0329(02)-20250113)

Supported catalysts These are catalysts of a widely used type which are deposited on a support, generally by impregnation, coprecipitation or mixing. They usually consist either of one or more active substances deposited on a support or of mixtures with a basis of active substances. The active substances are usually very finely divided metals, metallic oxides or other metallic compounds. The...

Source: eu_cn_en (EUR-Lex 02019XC0329(02)-20250113)

Other These subheadings cover mixtures based on compounds, the nature and proportions of which vary according to the chemical reaction to be catalysed. They are frequently used in the manufacture of plastics, often under the name of initiators, transfer agents, terminators or telomers, and reticulating (or cross-linking) agents. They include the following: 1.‘radical’ catalysts These are...

Source: eu_cn_en (EUR-Lex 02019XC0329(02)-20250113)

Chapter 38 Notes (7)

1. 1. This Chapter does not cover: • (a) Separate chemically defined elements or compounds with the exception of the following: (1) Artificial graphite (heading 38.01); (2) Insecticides, rodenticides, fungicides, herbicides, anti-sprouting products and plant-growth regulators, disinfectants and similar products, put up as described in heading 38.08; (3) Products put up as charges for fire-extinguishers or put up in fire-extinguishing grenades (heading 38.13); (4) Certified reference materials...

2. 2. (A) For the purpose of heading 38.22, the expression "certified reference materials" means reference materials which are accompanied by a certificate which indicates the values of the certified properties, the methods used to determine these values and the degree of certainty associated with each value and which are suitable for analytical, calibrating or referencing purposes. (B) With the exception of the products of Chapter 28 or 29, for the classification of certified reference...

3. 3. Heading 38.24 includes the following goods which are not to be classified in any other heading of the Nomenclature: • (a) Cultured crystals (other than optical elements) weighing not less than 2.5 g each, of magnesium oxide or of the halides of the alkali or alkaline earth metals; • (b) Fusel oil; Dippel's oil; • (c) Ink removers put up in packings for retail sale; • (d) Stencil correctors, other correcting fluids and correction tapes (other than those of heading 96.12), put up in...

4. 4. Throughout the Nomenclature, "municipal waste" means waste of a kind collected from households, hotels, restaurants, hospitals, shops, offices, etc., road and pavement sweepings, as well as construction and demolition waste. Municipal waste generally contains a large variety of materials such as plastics, rubber, wood, paper, textiles, glass, metals, food materials, broken furniture and other damaged or discarded articles. The term "municipal waste", however, does not cover: • (a)...

5. 5. For the purposes of heading 38.25, "sewage sludge" means sludge arising from urban effluent treatment plant and includes pre-treatment waste, scourings and unstabilised sludge. Stabilised sludge when suitable for use as fertiliser is excluded (Chapter 31).

6. 6. For the purposes of heading 38.25, the expression "other wastes" applies to: • (a) Clinical waste, that is, contaminated waste arising from medical research, diagnosis, treatment or other medical, surgical, dental or veterinary procedures, which often contain pathogens and pharmaceutical substances and require special disposal procedures (for example, soiled dressings, used gloves and used syringes); • (b) Waste organic solvents; • (c) Wastes of metal pickling liquors, hydraulic fluids,...

7. 7. For the purposes of heading 38.26, the term “biodiesel” means mono-alkyl esters of fatty acids of a kind used as a fuel, derived from animal, vegetable or microbial fats and oils whether or not used.

Reaction initiators, reaction accelerators and catalytic preparations, not elsewhere specified or included.

Subpartidas

Notas explicativas

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