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Photoprotection by Workwear: Ultraviolet Protection Factors for Artificial Radiation from Welding Arcs

Photoprotection by clothing is one of the most effective protective measures against solar ultraviolet radiation (UVR), and the related concept of UV protection factors (UPF) for fabrics has proven itself for decades. Although immense work has been carried out regarding factors influencing textile sun protection, the idea of UPFs for artificial UVR, if necessary with different action spectra, is payed little attention. In this work, a modified UPF equation is proposed utilizing welding arcs and the ICNIRP action spectrum. These welding UPFs (wUPF) were calculated for some workwear as a function of welding power, technique and welded material. No wUPF welding power dependence existed. By means of normalized standard emission spectra, that were further clustered with regard to welding technique, it was found that the wUPF depends exclusively on the fabric’s transmittance and the ICNIRP weighting function yielding a reduced wUPF formula. Finally, a comparison of solar and welding UPFs, based on either their full or reduced equations, is discussed.

The complete article is published in the Journal "Photochemistry and Photobiology", Volume 96, Issue 4, pp. 917-925.

First Online: 16 December 2019

Bibliographic information

S. Bauer:
Photoprotection by Workwear: Ultraviolet Protection Factors for Artificial Radiation from Welding Arcs. 
in: Photochemistry and Photobiology, Volume 96, Issue 4 2020. pages 917-925, Project number: F 2422, PDF file, DOI: 10.1111/php.13194

download file "Photoprotection by Workwear: Ultraviolet Protection Factors for Artificial Radiation from Welding Arcs" (PDF, 761 KB, Not barrier-free file)

Research Project

Project numberF 2422 StatusCompleted Project UV radiation exposure during welding, Subproject 3 "Requirements for protective components during welding"

Find out more : UV radiation exposure during welding, Subproject 3 "Requirements for protective components during welding" …

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