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标题:BS6853 Annex B Toxicity testing_BS6853:1999
正文:
BS6853:1999: Code of practice for fire precautions in the design and construction of passenger carrying trains.BS6853 Annex B: Determination of weighted summation of toxic fume, RThere are two different test methods which can be utilized to determine the toxic fumes produced from materials to be placed on passenger carrying trains in the UK.The two different methods are as follows:BS 6853 Annex B.1: Mass based test method(NF X 70-100)，This method should be appkied to minor use materials(table 7 and table 8),textiles(table 11) and cables (table 13 and table14).BS 6853 Annex B.2: Area based test method（prEN2824，prEN2825，prEN2825). An area based method should be used used for sufaces(Table 1,Table 2,Table 3,Table 4,Table 5,Table 6) seat tirm and seat shell(Table 9,Table 10) and mattresses(Table 12).BS 6853 Annex B.3 Gases to be analysed, analysed:CO,CO2,HBr,HCl,HCN,HF,NOx,SO2BS 6853 Annex B.4 Calculation of RWhat is toxicity testing? Measuring the fumes produced from a material exposed to
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