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Author(s): J. Campos | P. Díaz-Garcia | I. Montava | M. Bonet | E. Bou-Belda

Journal: Annals of the University of Oradea. Fascicle of Textiles, Leatherwork
ISSN 1843-813X

Volume: XIV;
Issue: 2;
Start page: 39;
Date: 2013;
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Keywords: UPF | ultraviolet | UV lamp | seaweed.

Solar radiation that we perceive has increased in recent times and especially during the last years. This is due largely to changing lifestyles and the decrease of the ozone layer. For this reason has increased social awareness about the need for protection against ultraviolet radiation. Since 20 years ago, and especially during the last years, the research of textiles protection has increased exponentially. The main areas under investigation are the structure of the fabric, the materials used, the weight of the fabric, the title of the yarns, the color of the fabric, and some finishings which are subjected the fabric to improve their characteristics.Also, the different ways to evaluate the UPF are under research. The most used system is the spectrophotometric method, although in vivo method and dosimetric systems are used too. In recent years, the dosimetric methods are being studied depth with new photo-sensible materials.In this paper an evaluation of different weft density and materials is done. First of all a weft density study is made to test what importance has as structural parameter. Then is made a study of three different materials like cotton, polyester and seaweed. That study concludes that the most important material of those three is the last one.
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