HECOL473 Lecture Notes - Lecture 16: Sun Protective Clothing, Electromagnetic Radiation, British Standards
14 Sep 2016
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Lecture 16: protection from ultra-violet radiation provided by clothing. Electromagnetic radiation from the sun reaching surface of the earth consists of. Uv is higher energy and undetectable to the naked eye so precautionary measures are not always taken. Clothing has the advantage over sunscreens in that it can provide high levels of uvr protection without any questions over whether it has been applied at adequate levels to achieve appropriate protection. Brie y describe the improvements in each of the standards (uk, us and europe). Uk: british standard introduced the conditioning of the fabric samples under controlled conditions of temperature and humidity, both factors that can a ect measurements of the. Bs 7949 (43) addressed the issue of the minimum body coverage to provide adequate. Us: introduced a set of three standards that fully cover the testing of fabric swatches and the rating and labelling of clothing and garments and their protection against solar uvr (45 47).
