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Functional Fluids are defined as products that are supplied as a concentrate, diluted with water by an end-user and then circulated round an industrial plant to perform a function such as cooling, lubrication, corrosion prevention, etc. Examples of these fluids are metalworking fluids, lithographic solutions, textile spin finishes, cooling water and paper pulp etc. All of these are susceptible to microbiological attack and the biocides used in them are covered by the European Biocidal Products Regulation (BPR).
The initial objectives of the Group will be the development of simple test methods to enable the efficacy criteria of the BPR to be met. Later, more detailed investigation will be undertaken of other factors involved in the biodeterioration of functional fluids.