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prEN ISO 23537-1

Requirements for sleeping bags - Part 1: Thermal, mass and dimensional requirements for sleeping bags designed for limit temperatures of ‐20°C and higher (ISO/DIS 23537-1:2021)

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ISO/DIS 23537-1; prEN ISO 23537-1
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None
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This part of ISO 23537 specifies the requirements and test methods as well as provisions for labelling of adult sized sleeping bags for use in sports and leisure time activities at a limit temperature of ≥ ‐20 °C in regard to thermal characteristics, dimensions and mass. This part of ISO 23537 does not apply to sleeping bags intended for specific purpose such as military use and extreme climate zone expedition. It does not apply to sleeping bags for children or babies. NOTE 1 No prediction model exists for the determination of the limiting temperatures based on the thermal resistance of the sleeping bag for children and babies. Moreover, such a model for testing cannot be developed because the necessary controlled sleep trials with children or babies in climatic chambers are, out of ethical reasons, not permitted. This part of ISO 23537 describes the method for the assessment of the performance in steady‐state conditions of a sleeping bag with regard to the protection against cold. NOTE 2 Sleeping bags without homogeneous fillings designed to provide local extra insulation in certain parts pose issues with the calibration and/or test procedure. Ongoing work continues to provide suitable means of establishing temperature ratings.
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