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  • BSI
    BS EN ISO 5659-2:2012 Plastics. Smoke generation - Determination of optical density by a single-chamber test
    Edition: 2013
    $497.46
    / user per year

Description of BS EN ISO 5659-2:2012 2013

1.1 This part of ISO 5659 specifies a method of measuring smoke production from the exposed surface of specimens of materials, composites or assemblies. It is applicable to specimens that have an essentially flat surface and do not exceed 25 mm in thickness when placed in a horizontal orientation and subjected to specified levels of thermal irradiance in a closed cabinet with or without the application of a pilot flame. This method of test is applicable to all plastics and may also be used for the evaluation of other materials (e.g. rubbers, textile-coverings, painted surfaces, wood and other materials).

1.2 It is intended that the values of optical density determined by this test be taken as specific to the specimen or assembly material in the form and thickness tested, and are not to be considered inherent, fundamental properties.

1.3 The test is intended primarily for use in research and development and fire safety engineering in buildings, trains, ships, etc. and not as a basis for ratings for building codes or other purposes. No basis is provided for predicting the density of smoke that might be generated by the materials upon exposure to heat and flame under other (actual) exposure conditions. This test procedure excludes the effect of irritants on the eye.

NOTE This test procedure addresses the loss of visibility due to smoke density, which generally is not related to irritancy potency (see Annex E).

1.4 It is emphasized that smoke production from a material varies according to the irradiance level to which the specimen is exposed. The results yielded from the method specified in this part of ISO 5659 are based on exposure to the specific irradiance levels of 25 kW/m2 and 50 kW/m2.



Standard NumberBS EN ISO 5659-2:2012
TitlePlastics. Smoke generation - Determination of optical density by a single-chamber test
StatusWithdrawn
Publication Date2013-06-30
Withdrawn Date2017-07-21
ReplacesBS EN ISO 5659-1:1999, BS EN ISO 5659-2:2006
Replaced ByBS EN ISO 5659-2:2017
CorrectsBS EN ISO 5659-2:2012
DescriptorsTest equipment, Fire tests, Plastics, Construction materials, Optical measurement, Test specimens, Spectrophotometry, Combustion products, Smoke, Composite materials, Optical density, Sheet materials, Testing conditions, Fire safety in buildings, Wood, Visibility, Fire safety, Specimen preparation, Calibration, Textiles, Rubber
ICS83.080.01 Plastics in general, 13.220.40 Ignitability and burning behaviour of materials and products
CommitteePRI/26
ISBN978 0 580 81975 9
PublisherBSI
Pages54

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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