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Standard
ISO 24231
First edition
Protective clothing — Protection
2024-04
against rain — Test method for
ready-made garments against high-
energy droplets from above
Habillement de protection — Protection contre la pluie —
Méthode d'essai pour les vêtements prêts-à-porter contre les
fortes précipitations
Reference number
ISO 24231:2024(en) © ISO 2024
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ISO 24231:2024(en)
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© ISO 2024
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Published in Switzerland
© ISO 2024 – All rights reserved
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ISO 24231:2024(en)
Contents Page
Foreword .iv
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Principle . 1
5 Apparatus . 1
6 Dressing and positioning the manikin . 4
7 Test procedure . 5
8 Test report . 5
Annex A (informative) General background to the rain simulation . 7
Annex B (normative) Absorbency of bleached textiles . 8
Bibliography .10
© ISO 2024 – All rights reserved
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ISO 24231:2024(en)
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards
bodies (ISO member bodies). The work of preparing International Standards is normally carried out through
ISO technical committees. Each member body interested in a subject for which a technical committee
has been established has the right to be represented on that committee. International organizations,
governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely
with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.
The procedures used to develop this document and those intended for its further maintenance are described
in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the different types
of ISO document should be noted. This document was drafted in accordance with the editorial rules of the
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