BS6853测试报告的有效期限是许多准备做BS6853测试的厂家及已经做过BS6853测试认证的厂家都比较关心的问题之一。BS6853测试报告及证书的有效期在其报告证书上都有明显的规定。具体请查看BS6853正规的测试报告及证书或咨询中国防火网，我们将为您提供权威的英国BS6853全方面的服务。
BS6853:1999-Code of practice for fire precautions in the design and construction of passenger carrying trains.
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英国BS6853标准根据产品最终用途不同(地板，墙壁墙体，天花板吊顶，小区域材料，电缆等)，其测试标准及测试方法有所不同。座椅装饰材料BS6853测试主要关注如下内容。
1. 座椅装饰BS6853标准
BS6853:1999: Code of practice for fire precautions in the design and construction of passenger carrying trains.
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英国BS6853标准根据产品最终用途不同(地板，墙壁墙体，天花板吊顶，小区域材料，电缆等)，其测试标准及测试方法有所不同。纺织品材料BS6853测试主要关注如下内容。
1. 纺织品BS6853标准及定义
BS6853:1999: Code of practice for fire precautions in the design and construction of passenger carrying trains.
BS6853:1999: 载客列车设计与构造防火通用规范.
英国BS6853标准根据产品最终用途不同(地板，墙壁，天花板吊顶，小区域材料，电缆等)，其测试标准及测试方法有所不同。电线电缆BS6853测试主要关注如下内容。
1. 电线电缆BS6853标准及定义
BS6853:1999: Code of practice for fire precautions in the design and construction of passenger carrying trains.
BS6853:1999: 载客列车设计与构造防火通用规范.
BS6853 Annex D: Methods for measuring smoke density
BS6853 Annex D: 烟密度的测试方法
烟密度一般火灾时能见度相关，因为能见度下降会使人们更难以逃离火灾现场。从而增加了烟雾毒性、火焰、热量给人们带来的生命安全风险。
对于英国载客列车所用材料有五种不同的测试方法去评判烟雾密度。
BS6853 Annex D五种不同的测试方法如下:
BS6853 Annex D.8.3 – 小面积测试方法
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1. Standard- BS6853 Annex D8.7
BS6853 Annex D: Methods for measuring smoke density
BS6853:1999 Code of practice for fire precautions in the design and construction of passenger carrying trains.
BS 6853 Annex D.8.7 is utilized for interior and exterior cables (Tables 13 and 14 of BS 6853: 1999).
...1. Standard- BS6853 Annex D8.6
BS6853 Annex D: Methods for measuring smoke density
BS6853:1999 Code of practice for fire precautions in the design and construction of passenger carrying trains.
BS 6853 Annex D.8.6 is utilized for interior and exterior horizontal supine surfaces (Tables 1 and 4 of BS 6853:1999) and mattresses (table 12 of BS 6853: 1999).
...1. Standard- BS6853 Annex D8.5
BS6853 Annex D: Methods for measuring smoke density
BS6853:1999 Code of practice for fire precautions in the design and construction of passenger carrying trains.
BS 6853 Annex D.8.5 is utilized for seats (Tables 9 of BS6853: 1999). NB. Tests should be performed on actual specimen seats
...1. Standard- BS6853 Annex D.8.4
BS6853 Annex D: Methods for measuring smoke density
BS6853:1999 Code of practice for fire precautions in the design and construction of passenger carrying trains.
BS 6853 Annex D.8.4 is utilized for interior and exterior vertical surfaces and horizontal prone surfaces (Tables 2, 3, 5 and 6 of BS 6853: 1999) and seat shell (table 10 of BS6853: 1999).
1. Standard- BS6853 Annex D
BS6853 Annex D: Methods for measuring smoke density
BS6853:1999 Code of practice for fire precautions in the design and construction of passenger carrying trains.
2. Standard Brief-BS6853 Annex D
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