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5. Conclusion
There are thousands of additives that can be manufactured, and several hundred products available in large industrial quantities. These additives may interact with each other in beneficial or harmful ways. Their performance also depends on the nature of the base oils with which they are associated, and the tribological conditions prevailing in the mechanisms for which they are intended. To achieve a given result (i.e. to meet a given cost, schedule of conditions or specification), the formulator can choose from a wide range of possible combinations. This means that the possibilities for formulating highly complex products, which may contain up to twenty different additives, are theoretically virtually infinite. But, in fact, for each formulation laboratory, the choices are fortunately more limited, since they are based on its own jealously guarded experience of an accessible range of additives...
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Conclusion
Economic data
Lubricant additives are commercially available either as elementary additives or base components or, increasingly, as pre-formulated additives known as "additive packages", "performance additives" or "packages".
The former are mainly used in the preparation of industrial oils, metalworking lubricants and greases, or as complementary additives...
Bibliography
General works
Professional organizations
ATC (Additives Technical Committee): brings together European manufacturers of lubricant additives and cooperates with the ACEA (Association des Constructeurs Européens d'Automobiles) Fuels and Lubricants Technical Committee, ATIEL, CEC (Comité Européen de Coordination pour le Développement des Tests de Performance des Lubricants et Fuels Automobiles) and CONCAWE (Conservation of Clean Air and Water, Europe)....
Additive suppliers
To summarize what has been developed in the "Economic data" section of this documentation, we can mention :
Generalists
Chevron Chemical S.A. Oronite Division.
Ethyl France.
Infineum France.
Lubrizol France Lubrifiants.
Specialists
Akzo Nobel Chemicals
...
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