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Are standard tests of cold protection by footwear relevant and valid?

På svenska

Author

  • Kalev Kuklane
  • Satoru Ueno
  • Shin-ichi Sawada
  • Ingvar Holmér

Summary, in English

The present international standards for safety, protective and occupational footwear EN ISO 20344 – 20347 classify footwear as cold protective by a pass/fail test where the limits are set for an allowed 10 °C temperature drop inside the footwear at a sole location during 30 minutes at a temperature gradient of about 40 °C. In a test of five footwear including a summer sandal it was shown that all could pass the test, since performance is basically determined by the sole insulation only. The standard does not discriminate between good and poor cold protective footwear and should be replaced by a more relevant and valid test, for example with a heated foot model.

Publishing year

2008

Language

English

Publication/Series

7th International Meeting on Manikins and Modelling (7I3M)

Document type

Conference paper

Publisher

Faculty of Science and Technology, University of Coimbra, Portugal

Topic

  • Production Engineering, Human Work Science and Ergonomics

Keywords

  • test method
  • subzero environment
  • thermal insulation
  • heated foot model

Conference name

The 7th International Meeting on Manikins and Modelling (7I3M)

Conference date

2008-09-03 - 2008-09-05

Conference place

Coimbra, Portugal

Status

Published

Research group

  • Thermal Environment Laboratory