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4. Air permeability prediction methods
4.1 The benefits of air permeability prediction methods
The prediction of air permeability is of interest in technical textiles, where objective values of this characteristic are expected. The textile industry is looking for trends or ranges of permeability values to match the applications in question.
Prediction can involve textile complexes made up of several layers of fabric, as in the case of protective clothing for workers or sportswear. The "multi-layer" principle is used, for example, for protection against cold, heat, fire or chemical hazards
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Bibliography
Standards and norms
AFNOR
- Textiles – Dictionary of standardized terms - NF G00-001 - 1985
- Textiles – Determining the air permeability of fabrics - ISO 9237 - 1995
- Ergonomics of thermal environments –Analytical determination and interpretation of thermal comfort by calculating PMV and PPD indices and local thermal comfort criteria - ISO 7730 - 2005
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Manufacturers – Suppliers – Distributors (non-exhaustive list)
Permeabilimeters/Densimeters
Verson Vlies Courcier (VVC, Linselles, France) http://vvc.eu/
TexTest (Schwerzenbach, Switzerland) distributed by France Scientifique http://www.textest.ch/
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When it comes to sportswear, brands such as "Au Vieux Campeur" and "Decathlon" offer a wealth of advice in their catalogs and on their websites, to help you make an informed choice. For example, the constraints that clothing must meet, sources of discomfort and selection criteria are described in relation to the way a particular discipline is practiced. This information illustrates the compromise between...
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