Ergonomics of the thermal environment. Estimation of thermal insulation and water vapour resistance of a clothing ensemble Ingestion-build-86103 ISO 9873 is an international

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Ergonomics of the thermal environment. Estimation of thermal insulation and water vapour resistance of a clothing ensemble Ingestion-build-86103 ISO 9873 is an international1 Scope This International Standard specifies methods for estimating the thermal characteristics (resistance to dry heat loss and evaporative heat loss) in steady state conditions for a clothing ensemble based on values for known garments, ensembles and textiles. It examines the influence of body movement and air penetration on the thermal insulation and water vapour resistance. This International Standard does not deal with other effects of clothing,