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DS/EN ISO 13732-1:2008

Ergonomics of the thermal environment - Methods for the assessment of human responses to contact with surfaces - Part 1: Hot surfaces

This part of ISO 13732 provides temperature threshold values for burns that occur when human skin is in contact with a hot solid surface.*It also describes methods for the assessment of the risks of burning, when humans could or might touch hot surfaces with their unprotected skin.*This part of ISO 13732 also gives guidance for cases where it is necessary to specify temperature limit values for hot surfaces; it does not set surface temperature limit values.*NOTE 1 Such temperature limit values can be specified in specific product standards or in regulations in order to prevent human beings sustaining burns when in contact with the hot surface of a product.*This part of ISO 13732 deals with contact periods of 0,5 s and longer.*It is applicable to contact when the surface temperature is essentially maintained during the contact (see 4.1).*It is not applicable if a large area of the skin (approximately 10 % or more of the skin of the whole body) can be in contact with the hot surface. Neither does it apply to skin contact of more than 10 % of the head or contact which could result in burns of vital areas of the face.*NOTE 2 In some cases, the results of contact with a hot surface can be more serious for the individual, for example: *. burns resulting in the restriction of airways;*. large burns (more than 10 % of the body surface) that can impair the circulation by fluid loss;*. heating of a large proportion of the head or whole body that could lead to unacceptable heat strain even in the absence of burning.*This part of ISO 13732 is applicable to the hot surfaces of all kind of objects: equipment, products, buildings, natural objects, etc. For the purposes of simplification, it mentions only products; nevertheless, it applies to all other objects as well.*It is applicable to products used in any environment, e.g. in the workplace, in the home.*It is applicable to hot surfaces of products that may be touched by healthy adults, children, elderly people and also by people with physical disabilities.*It does not provide data for the protection against discomfort or pain.

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