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标题:BS 6853 Annex D: smoke density
正文:
BS 6853 Annex D/smoke density/BS 6853 BS 6853 Annex D: Methods for measuring smoke density The smoke density measurement taken from a material under fire conditions gives an indication of the visibility through the smoke, this is important as reduced visibility in a real fire situation makes it more difficult to escape from a fire hence increasing the threat to human life from the toxic gases, flames and heat. There are five different test methods which can be utilized to determine the smoke density produced from materials to be placed on passenger carrying trains in the UK. The five different methods are as follows: BS 6853 Annex D.8.3 – small scale test method BS 6853 Annex D.8.4 – panel test method BS 6853 Annex D.8.5 – seat test method BS 6853 Annex D.8.6 – floor test method &nbsp
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