BS476-7表面材料防火性能测试
BS476-7-1997_CH中文翻译
目 录1. 范围 (2)2. 标准引用 (2)3. 定义 (2)3.1 外露表面 (2)4. 产品的测试适应性 (3)5. 测试样件 (4)6. 测试设备 (5)7 辅助设备 (11)8.校准 (13)9.测试程序 (14)10 结果的记录 (15)11 结果分类 (16)建筑材料及结构的耐火测试第7部分：产品表面火焰蔓延等级的测试方法BS 476-7-1997*此翻译版仅供参考，请以英文为准1. 范围在此BS 476标准中，根据规定了对流条件下，火焰在垂直放置样件表面的横向扩散性的测量方法，以及根据火焰扩散的速率所确定的分类体系。
并提供了可用于比较墙面或顶棚的平面材料、复合材料以及组件的最终使用性能。
附录A提供了实施此测试的指导。
附录B论述了热特性对组建性能的影响以及制作测试设备的建议。
附录C给给出了次测试方法的有效性信息。
注：此测试的结果仅代表在特定条件下，测试样件的性能，而不能用于评估产品在实际使用中抵御火灾的唯一标准。
2. 标准引用在BS 476的本部分中，结合使用了其他出版物的规定，其中部分引用标注有日期，部分未标准日期。
这些标准引用于本文，其列表位于本标准的后封底。
如引用标准注有日期，仅可使用所指标准，如此标准有勘误或修订，需结合此标准使用。
如未注日期，则应将最新版本以及勘误一同使用。
3. 定义在此欧洲标准中，应使用BS 4422第一部分：1987、第二部分：1990、第五部分：1989以及BS 476第十部分：1983中的定义，以及一下定义：3.1 外露表面在测试中，受到热环境影响的表面。
3.2 火焰扩散在外加能量辐射影响下，产品表面火焰前沿的传播。
3.2 火焰前沿火焰在产品表面沿标注的基准线方向达到的最远端。
3.4 （在表面的一点的）辐射度表面上无限小的一个元素上得到的热辐射总量，包括被此元素分割的一点。
3.5 基本平整的表面样品上，不规则面积小于±3mm的平整表面。
3.6 闪焰在样件表面或整个表面上，持续时间不超过1秒的火焰。
欧盟标准
EN 13501/BS 476/NF P 92/DIN 53438等欧盟建筑结构的阻燃检测EN 13501/BS 476/NF P 92/DIN 53438等欧盟建筑结构的阻燃检测欧盟的建筑制品指令（CPD）规定了在欧盟市场上销售的建筑制品范围[1]。
这些建筑制品是指在建筑结构或其它土木结构里长期使用的制品。
建筑结构包括多层住宅、医院、学校、商店、俱乐部、休闲中心、体育馆、工厂、车站、机场、隧道和码头等。
欧盟的主要燃烧试验方法及应用范围如表1所示。
其中EN 13501-1和EN 13501-2分别是欧盟建筑制品燃烧性能统一分级体系和欧盟建筑制品耐火性能统一分级体系。
随着欧盟统一分级新体系的颁布，欧盟成员国的国家分级体系及燃烧试验方法最终将被统一分级体系取代，因此表1中仅列举了英国的国家燃烧试验方法以供参考。
表1欧盟建筑制品的主要燃烧试验方法及应用范围标准燃烧试验方法合成材料应用范围欧盟英国ISO EN 13501-1 EN 13823(SBI) EN ISO 11925(小火焰) EN ISO 9239-1（铺地材料）EN 13501-2 EN 1363(一般要求) EN 1364（非承重构件）EN 1365（承重构件）BS 476-6 BS 476-7（火焰传播）BS 476-21(承重构件) BS 476-22(非承重构件) BS 476-23(吊顶保护) BS 476-24(风管) BS 8414-1(非承重外墙系统) 欧盟大多数的耐火试验采用ISO 834-1规定的温度－时间炉内温控曲线. 屋顶材料和屋顶灯具（散射等）、梁、分隔件、铺地材料、覆层材料、门、窗户框架、混泥土制品、柱、桥梁（包括加固型金属桥架）、信号架和防风墙等。
欧盟的CPD及其关于火灾安全的重要要求是各成员国规范制定机构考虑的一个重要方面。
各国的建筑防火规范根据CPD的要求进行了相应的修订，并纳入新的EN 试验方法来评价建筑制品的火灾行为。
各国建筑材料防火测试标准2012
浅谈幕墙用铝塑板防火测试标准的最新进展与应用评价王小红（湖南省塑料研究所、湖南科天新材料有限公司，长沙，410001）摘要：本文着重简述了欧美等发达国家最新建筑材料防火测试标准和评价方法进展，并对B1级防火铝塑板(FR-ACP)幕墙与可燃B2保温材料(PU/XPS)组合应用系统的试验方案进行了介绍，提出了相关应对建议，以期为各铝塑板企业的新产品开发和国际贸易工作提供参考和借鉴。
关键词：铝塑复合板幕墙, 外墙装饰材料, 防火测试标准，幕墙式外保温系统，最新应用评价。
Abstract: This paper focused on the progress of the building materials fire-testing standards and the latest evaluation methods in the developed countries such as Europe and America, and concluded the B1 FR-ACP curtain wall and combustible B2 insulation material (PU/XPS) combined application system test case , and put forward the related countermeasures, with a view to providing reference to the ACP company in new product development and international trade.Keywords: Aluminum-Plastic Composite Panel Curtain Wall；Exterior Wall Decoration Materials；Fire-proof test standards；Curtain wall exterior insulation system；The latest application evaluation。
BS 476-4 建筑材料不燃性试验
厦门易朔公司专业建筑材料防火检测
厦门易朔专业BS476-4防火检测
BS 476-4 建筑材料不燃性试验
BS476-4欧洲防火测试-标准名称：
BS 476-4 建筑材料和构件的燃烧试验.材料的不燃性试验
BS 476-4: Fire tests in building materials and structures Part 4: Non-combustibility test for materials
BS476-4欧洲防火测试-标准简介：
BS 476-4不燃性试验：英国标准476系列的这一部分规定了确定建筑材料是否属于不燃性的含义的测试方法。
将样品放入测试容器中，热电偶插入样品中心并且连接测试设备。
此外样品的热电偶也放进炉子内部炉内温度达到750℃，这样的状态持续整个测试20分钟，记录下两个热电偶的相关数据。
BS476-4测试结果必须同时满足这两项要求：
1.温升(炉内样品中心温度上升) 必须小于 50°C ；
2.整个测试中的出现火焰燃烧的时间必须小于10秒.
BS476-6欧洲防火测试的相关标准：
BS 476：建筑材料和结构的防火测试
BS 476-4：建筑材料不燃性测试
BS 476-5：建筑材料引燃性测试
BS 476-6：建筑材料火势蔓延测试
BS 476-7：产品火焰表面蔓延分类测试
BS 476-20：建筑构件耐火的测试方法(一般原理)
BS 476-21：承重构件防火测试方法
BS 476-22：非载荷建筑元件防火测试方法
详情请咨询：防火资源网。
BS476-20建筑材料耐火测试
BS476-20建筑材料耐火测试BS 476-20:1987建筑材料耐火测试BS476-20: Fire tests on building materials and structures-Part 20: Method for determination of the fire resistance of elements of construction (general principles)BS476-20: 对建筑材料和结构的着火试验—第20部分：建筑材料耐火测试（一般原则） BS476-20测试方法，样品暴露下高温高压条件下，测试样品在规定时间内的承重量，完整性、隔热性。
BS476-20:1987主要关注如下方面:1． 耐火极限2． 隔热性和完整性对应承载能力3． 隔热性4． 完整性BS476-20:1987可申请可申请耐火测试时间耐火测试时间:30分钟60分钟90分钟120分钟150分钟180分钟、、、、、、BS476-20耐火测试耐火测试评估标准评估标准样品根据如下方面：完整性、隔热性、承重性等这些方面进行评估，样品是否通过BS476-20耐火测试。
失去完整性失去完整性： 当棉垫被点燃或者背火面燃烧达10秒钟以上时，让为试件失去完整性；测试过程中，6mm 直径的探棒可以穿过裂缝进入炉内且探棒可以沿裂缝长度方向不小于150mm ；直径25mm 的探棒可以穿过裂缝进入炉内时，则认为试件失去完整性。
失去隔热性失去隔热性： 试件背火面的平均温升超过试件表面初始平均温度140℃或者背火面在任何一点的温升超过该点初始温度180℃时，认为试件失去隔热性。
失去承重性在试验过程中试件发生垮塌；或梁板构件的最大挠度、柱构件的轴向变形、柱构件的轴向变形速率超过规定值时，则表明试件失去承重性。
BS476 相关相关参考参考参考标准标准BS 476: Fire tests on building materials and structures.BS 476: 建筑材料及构件防火测试BS 476-3:2004 external fire exposure roof testBS 476-3:2004 室外屋顶的燃烧测试BS 476-4:1970 Non-combustibility test for materialsBS 476-4:1970 材料的不燃烧性测试BS 476-5:1979 Method of test of ignitabilityBS 476-5:1979 可燃性燃烧测试BS476-6:1989 Method of test for propagation for materialsBS476-6:1989 制品火势蔓延的试验方法BS 476-7:1997 Surface spread of flame test for materialBS 476-7:1997制品表面火势蔓延的试验和分级方法BS 476-11:1982 Method for assessing the heat emission from building materials BS 476-11:1982建筑材料热辐射性能测试方法BS 476-12:1991 Ignitability of products by direct flame impingementBS 476-12:1991产品直接火焰冲击的可燃性测试方法BS 476-15:1992 Method for measuring heat release of products-cone calorimeter BS 476-15:1992产品放热性测试-锥形量热仪BS 476-20:1987 Method for determination of the fire resistance of elements of construction (general principles)BS 476-20:1987建筑构件耐火的测定方法(一般原理)BS 476-21:1987 Methods for determination of the fire resistance of loadbearing elements of constructionBS 476-21:1987 承重构件耐火的测定方法BS 476-22:1987 Methods for determination of the fire resistance of non-loadbearing elements of constructionBS 476-22:1987非承重建筑构件耐火性能测试方法BS 476-24: Fire test on building materials and structures-Part 24: Method forDetermination of the fire resistance of ventilation ducts.BS 476-24:建筑材料和构件的防火测试-第24部分: 能风管道耐火性测试。
BS476-21承重材料耐火性测试
BS476-21承重材料耐火性测试BS476-21: 1987承重材料耐火性测试BS 476-21: Fire test on building materials and structures-Part 21: Method for Determination of the fire resistance of load bearing elements of construction.BS 476-21:建筑材料和构件的防火测试-第21部分: 承重材料耐火性测试This part, together with BS 476: Parts 20, 22, 23 and supersedes BS 476: Part 8:1972, which is withdrawn. However, the latter will still be made available on request, since it is referred to in the building regulations and other legislative documents.BS476-21: 1987主要用于如下方面:Determination of the fire resistance of beams 横梁的耐火测试Determination of the fire resistance of columns 圆柱的耐火测试Determination of the fire resistance of floors and flat roofs 地面材料及天花板的耐火测试Determination of the fire resistance of walls 墙体的耐火测试BS 476-21测试方法，样品暴露下高温高压条件下，测试样品在规定时间内的承重量，完整性、隔热性。
BS476-21: 1987可申请耐火测试时间:30分钟60分钟90分钟120分钟150分钟180分钟、、、、、、耐火测试评估标准BS476-21耐火测试评估标准样品根据如下方面：完整性、隔热性、承重性等这些方面进行评估，样品是否通过BS476-21耐火测试。
英国防火等级Class 0
英国防火等级Class 0介绍等级介绍英国防火等级Class 0－等级英国建筑条例所批准文件B（The Building Regulations-Fire safety-Approved document）中对Class0等级做了特别规定及说明。
对于高度超过一定值的室外建筑或者风险系数比较高的场所，应采用Class 0材料，以减少或避免火灾的发生。
英国防火等级Class 0－测试标准英国建筑条例所批准文件B中的附录A13中规定class 0 等级的评定必须根据BS 476-6 及BS 476-7 的测试结果才能评定材料的等级。
英国防火等级Class 0－等级评定首先进行BS 476-7火焰表面延伸等级：测试必须达到Class 1级（火焰延伸范围必须不大于165mm）。
再次进行BS476-6火焰传播指数测试：要求火焰传播总指数, I≤12 并且单个分指数i1 ≤6。
相关标准BS 476-6:1989+A1:2009 Method of test for propagation for materialsBS 476-6:1989+A1:2009 制品火势蔓延的试验方法BS 476-7:1997 Surface spread of flame test for materialBS 476-7:1997制品表面火势蔓延的试验和分级方法BS6853: Code of practice for fire precautions in the design and construction of passenger carrying trainsBS6853: 载客列车设计与构造防火通用规范英国防火等级Class 0由南京睿督整理提供.。
BS 476-3英国建筑材料和构件的防火
BS476-3标准常见部分对应的测试内容标准名称：
BS476-3: Fire tests on building materials and structures—Part 3: Classification and method oftest for external fire exposur e to roofs
BS 476-3：建筑材料和构件的防火测试-屋顶外露部分防火测试
标准概述：
本xx标准测量如下：
a）当外部表面暴露在辐射和火焰下，等效截面的屋顶能够抵抗火焰渗透的能力；b）在特定条件下，屋顶覆盖物的外表面的火焰传播距离；
屋顶是根据角度测试，通过测量抵抗火焰渗透的时间，和外表面火焰表面扩散的距离进行分类；
相关参考标准
ASTM E136在750C温度的垂直管炉下材料性能的测定方法
ASTM E162使用辐射热能源测定材料的表面燃烧性能
ASEM E662由固体材料产生的烟雾的特定光密度标准试验方法
EN 13501-1:建筑制品和构件的火灾分级第一部分：用对火反应试验数据的分级
DIN 4102-1:建筑材料和构件的防火性能第一部分：建筑材料要求和测试的分类等级NF P 92-501:法国材料阻燃防火测试M等级测定－刚性材料
（M0,M1,M2,M3,M4）NF P 92-503:法国材料阻燃防火测试M等级测定－柔性材料（M0,M1,M2,M3,M4）BS 476:建筑材料阻燃测试，防火测试
CASFIRE-LEO-2020中科易朔防火技术服务有限公司
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结构中非承重部件的耐火性测定方法(BS476part22)
英国标准协会（BSI）英国标准协会。
此出版物在没有英国标准协会书面授权的情况下禁止任何形式的复制。
英国标准建筑材料和结构燃烧测试第22章结构中非承重部件的耐火性测定方法英国标准协会前言英国标准476（BS476）此章内容是在防火标准委员会的指导下准备的，描述了结构中非承重部件的耐火性测定步骤。
此章内容应与英国标准476：第20章相联系，第20章描述了这些方法和步骤的通用规定。
此章旨在为正确测定条款中指定部件的防火提供参考。
因此，条款5到7包含在其中，需要时可参考BS467，第20章。
在BS476第21章和第23章分别描述了具有有限防火功能的承重部件和作用于结构防火的部件的耐火性测定方式。
在BS476第20章前言中描述了此章与BS476第8章相比所描述的方法的一般变化。
附录A提供了指导和背景信息，帮助设计师和检测实验室选择和评估代表使用状态下的试件。
与在冷和/或中等温度条件下烟雾侵入评估无关的方法描述以及有关门和卷帘装置在BS476：31.1部分描述的方法和第31章的其他部分都可用。
应遵循健康与安全等法令。
1974年法令规定，必须确保标准中所描述的方法在合适的环境条件下实施，为人员提供足够的保护，避免火灾的危险和/或吸入烟雾和/或燃烧所产生的有毒物质。
警告：机械切割石棉引出了《棉法令1969》颁布。
从此有了进行此类操作时控制粉尘水平的方法，这些在石棉研究委员会颁布的控制和安全指南里有详细的说明。
此章与BS476：第21，22，23和24章替代了废止的BS476：第8章：1972，但后者在制订条例和其他法律文件时仍然可用。
遵守英国标准不意味着免除法律职责。
目录页码前言内页封面负责委员会封底方法1．适用范围 2 2．定义 2 3．测试条件 2 4．设备 2 5．隔断耐火性测定 2 6．完全绝热门和卷帘装置的耐火性测定 4 7．部分绝热门和卷帘装置的耐火性测定 6 8．非绝热门和卷帘装置的耐火性测定9 9．天花板薄膜的耐火性测定11 10．釉面部件的耐火性测定13附录A．指导信息15方法1．适用范围此章内容描述了在BS476：第20章中特定的热力和压力下，建筑结构中非承重部件的耐火性测定步骤。
英国零级BS 476说明
英国零级BS 476说明
1、BS 476-7(第7部分)：产品火焰表面延伸等级确定的测试方法。
主要测试火焰蔓延高度。
使用温度约为800度辐射板对材料进行烘烤，然后使用中型燃气喷灯点燃测试材料，记录1.5分钟及10分钟样品的火焰蔓延高度，当样品在10分钟内的火焰蔓延高度不超过165mm即通过第7部分的一级测试标准。
2、BS 476-6（第六部分）：通过火焰传播指数大小，评估测试样品的防火性能。
举例说明，煤在充分燃烧的时候火焰蔓延高度不高，但是它释放出大量的热，能将周围的可燃物烤着，故火焰传播指数控制的是材料的热释放速率。
分别计算3个时间段[(0-3)min，(4-10)min，(11-20)min]的分火焰传播指数i（即i1、i2、i3），
总火焰传播指数I为3个分火焰传播指数之和（即
I=i1+i2+i3）。
高度超过一定值的某些室外建筑，应采用I不大于20的材料或0级材料。
其中，0级材料的火焰传播指数为i≤6，I≤12。
3、当测试样品通过了第7部分的1级测试之后，才能进行第6部分的0级测试，故当材料通过0级测试之后，说明材料的防火性能优异！。
嵌入式筒灯BS476-21耐燃防火试验
厦门易朔公司提供专业BS 476-21检测
厦门易朔公司专业BS476-21防火测试
嵌入式筒灯BS476-21耐燃防火试验
嵌入式筒灯BS476-21标准试验：
1.耐火极限
2.耐火稳定性
3.耐火完整性
4.耐火隔热性
—BS476-21: Fire test on building materials and structures-Part 21: Method for Determination of the fire resistance of load bearing elements of construction.
—BS476-21:承重材料耐燃测试
LED 筒灯的分类：
1、按安装方式分：嵌入式筒灯与明装式筒灯。
2、按灯管安排方式分：竖式筒灯与横式筒灯。
3、按场所分：家居筒灯与工程筒灯。
4、按光源个数分：单插筒灯与双插筒灯。
5、按光源的防雾情况来分：普通筒灯与防雾筒灯。
6、按大小分：2 寸；2.5 寸；3 寸；3.5 寸；4 寸；5,6,8,10寸。
嵌入式筒灯BS476-21标准参考：
BS 476：建筑材料和结构的防火测试
BS 476-4：建筑材料和结构的防火测试-材料不燃性测试
BS 476-5：建筑材料引燃性测试方法
BS 476-6：建筑材料和构件的防火测试.第6部分:制品火势蔓延的测试方法
BS 476-7：建筑材料和构件的防火测试.第7部分:测定产品火焰表面蔓延分类的测试方法 BS 476-20：建筑材料和构件的防火测试.第20部分:建筑构件耐火的测试方法(一般原理) BS 476-21：承重构件防火测试
BS 476-22：非载荷建筑元件防火测试。
石膏板BS 476-4 不燃性防火试验
厦门易朔公司专业建筑材料防火检测
石膏板BS 476-4 不燃性防火试验
石膏板BS 476-4 不燃性试验-标准名称：
BS 476-4 建筑材料和构件的燃烧试验.材料的不燃性试验
BS 476-4: Fire tests in building materials and structures Part 4: Non-combustibility test for materials
石膏板BS 476-4 不燃性试验-标准简介：
BS 476-4不燃性试验：英国标准476系列的这一部分规定了确定建筑材料是否属于不燃性的含义的测试方法。
将样品放入测试容器中，热电偶插入样品中心并且连接测试设备。
此外样品的热电偶也放进炉子内部炉内温度达到750℃，这样的状态持续整个测试20分钟，记录下两个热电偶的相关数据。
BS476-6欧洲防火测试的相关标准：
BS 476-5：建筑材料引燃性测试
BS 476-6：建筑材料火势蔓延测试
BS 476-7：产品火焰表面蔓延分类测试
BS 476-20：建筑构件耐火的测试方法(一般原理)
BS 476-21：承重构件防火测试方法
BS 476-22：非载荷建筑元件防火测试方法
厦门易朔专业BS476-4防火检测。
防火门BS 476-22耐火性能测试
厦门易朔专业建材防火测试
厦门易朔BS 476-22耐火极限测试
防火门BS 476-22耐火性能测试
BS476-22建筑非承重构件耐燃测定-名称概述
BS 476-22: Fire Tests on Building materials and structures – Part 22.Methods for determination of the fire resistance of non-loadbearing elements of construction
BS 476-22: 建筑材料和建筑构件防火测试 – 第22部分.非承重建筑元件的耐燃性能
BS476-22建筑非承重构件耐燃测定-标准要求：
耐火极限
耐火稳定性
耐火完整性
耐火隔热性
温度曲线图:
- Ambient at 0 min
- 843℃ at 30min
- 927℃ at 60min
- 1010℃ at 120min or over
BS 476-22 通用性筒灯耐火性能测定-同类标准
ISO 834建筑构件耐火试验方法
ASTM E119建筑构件耐火试验方法
BS476-23：建材及构件的防火测试.第23部分元部件对构件耐火性分摊作用的测试方法 EN 1363-1: 耐燃测试-第1部分: 一般要求
EN 1364-1: 非承重构件耐燃测试 - 第1部分：墙体
EN 1364-2: 非承重构件耐燃测试 - 第2部分：吊顶
EN 1365-2: 承重件耐燃测试 - 第2部分：地板和屋顶
GB/T 9978-1 建筑构件耐火试验方法-第一部分：通用要求
出自：AY20190122。
英国建筑材料及构件防火测试标准：BS476
英国建筑材料及构件防火测试标准：BS476英国建筑材料及构件防火测试标准：BS476随着人们对消防安全的日益重视，建筑材料的阻燃要求根据其在不同的使用场所有特定的规范，例如公共场所，高层建筑等场所相应的建材阻燃要求对建材本身的阻燃性能进行了解和掌握是每个生产商必须具备的技术信息，它能帮助我们在选购使的指导意见。
同时，各国地区对于建筑的阻燃测试都配套有强制性的标准方法。
英国建筑材料及构件防火测试标准：BS476BS 476: 建筑材料及构件防火测试BS 476-3:2004 室外屋顶的燃烧测试BS 476-4:1970 材料的不燃烧性测试BS 476-5:1979 可燃性燃烧测试BS 476-6:1989 制品火势蔓延的试验方法BS 476-7:1997制品表面火势蔓延的试验和分级方法BS 476-11:1982建筑材料热辐射性能测试方法BS 476-12:1991产品直接火焰冲击的可燃性测试方法BS 476-15:1992产品放热性测试-锥形量热仪BS 476-20:1987建筑构件耐火的测定方法(一般原理)BS 476-21:1987 承重构件耐火的测定方法BS 476-22:1987非承重建筑构件耐火性能测试方法BS 476-24:1987 耐火性能测试方法办理建筑材料及构件防火测试流程：1、项目申请——向检测监管递交测试申请。
2、资料准备——根据不知道要求，企业准备好相关的认证文件。
3、产品测试——企业将待测样品寄到实验室进行测试。
4、编制报告——认证工程师根据合格的检测数据，编写报告。
5、递交审核——工程师将完整的报告进行审核。
6、签发证书——报告审核无误后，颁发证书。
bs476-7防火标准详细解析
BS 476-7 防火标准详细解析
一、测试方法
BS 476-7 测试方法是在一个燃烧箱内进行，试样被点燃，点燃源为燃气辐射板及中型燃气喷灯。
辐射板的辐射强度在离75mm处为32.5kw/m2（表面），喷灯的火焰高75-100mm，与辐射板在同一方向施加于试样。
样品暴露在辐射热源板下10min。
记录1.5分钟及10分钟样品的
火焰传播程度。
二、测试结果
BS 476-7 测试结果根据材料对火焰的抗性，将材料划分为四个等级。
等级1表明材料具有很高的火灾危险性，被认为是不允许用于建筑的材料。
三、适用范围
BS 476-7 主要用于测定墙面和吊顶暴露表面的火焰延伸。
这项标准提供了关于材料燃烧特性在墙面和吊顶暴露表面火灾危险性的重要信息。
四、总结
BS 476-7 是英国的防火测试标准，用于评估建筑材料在暴露于火焰下的耐火性能。
此标准对于全球的建筑行业来说，都是非常重要的防火安全标准。
通过理解和遵循这个标准，设计师和建筑商可以确保他们所使用的材料在火灾中能够最大程度地保持稳定，从而保障人们的生命财产安全。
v0阻燃 bs476-7 阻燃标准
v0阻燃标准和bs476-7阻燃标准都是用于评估材料阻燃性能的标准，但它们有所不同。
V0阻燃标准是指材料在燃烧时应具备的自熄性，即离开火源后，燃烧应立即停止。
这是评估材料阻燃性能的一种等级标准，其中V0是最高的等级，表示材料具有非常高的阻燃性能。
BS476-7阻燃标准是英国标准协会制定的一种测试建筑材料阻燃性能的标准方法。
该标准通过测试材料在特定条件下的燃烧性能来评估其阻燃性，其中包括对燃烧速度、烟雾释放量和热释放量的测量。
总体而言，v0阻燃标准和BS476-7阻燃标准都是评估材料阻燃性能的重要标准，但它们的测试方法和评估重点有所不同。
BS476-7更侧重于评估建筑材料的燃烧性能，而V0则更注重材料的自熄性。
BS 476-7-1997建筑材料和构件的燃烧试验 制品表面火势蔓延的试验和分级方法
BS 476-7-1997建筑材料和构件的燃烧试验制品外表火势蔓延的试验和分级方法|BS 476 :BRITISH STANDARD |||Part 7 : 1997||||||||||||||||Fire tests on building||||||materials and structures|||||||Part 7. Method of test to determine the ||classification of the surface spread of |||flame of products|||||||||||||||| | | | | | | | | | | | | | | | | | | | || | | | | | | | | | | | | | | | | | | | || | | | | | | | | | | | | | | | || | ||||||NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW|||Licensed Copy: AUB User, na, Wed Mar 28 03:34:58 GMT+00:00 2007, Uncontrolled Copy, c BSIBS 476 : Part 7 : 1997Committees responsible for thisBritish StandardThe preparation of this British Standard was entrusted by Technical CommitteeFSH/21, Reaction to fire tests, upon which the following bodies were represented:Association of Building Component ManufacturersAssociation of Roof Light ManufacturersAutoclaved Aerated Concrete Products AssociationBritish Carpet Manufacturers Association Ltd.British Iron and Steel Producers AssociationBritish Plastics FederationBritish Railways BoardBritish Resilient Flooring Manufacturers AssociationBritish Rigid Urethane Foam Manufacturers’ AssociationBritish Wood Preserving and Damp-proofing AssociationChemical Industries AssociationChief and Assistant Chief Fire Officers AssociationDepartment of HealthDepartment of the Environment Building Research Establishment Department of the Environment Property and Buildings Directorate Department of the Environment for Northern IrelandEurisol UK Mineral Wool AssociationEuropean Phenolic Foam AssociationFibre Cement Manufacturers Association LimitedFlat Glass Manufacturers’ AssociationGAMBICA BEAMA Ltd.Gypsum Products Development AssociationHome OfficeInstitute of Fire SafetyInstitution of Fire EngineersLondon Fire and Civil Defence AuthorityLoss Prevention CouncilNational Council of Building Material ProducersNational GRP Construction and Engineering FederationPolyethylene Foam Insulation AssociationQueen Mary and Westfield CollegeRAPRA Technology Ltd.Specialist Ceilings and Interiors Association Ltd.Thermal Insulation Manufacturers and Suppliers Association TIMSA Timber Research and Development AssociationWarrington Fire Research CentreWood Panel Industries FederationWood Wool Slab Manufacturers AssociationCo-opted membersThis British Standard, havingbeen prepared under theThe following bodies were also represented in the drafting of the standard, throughdirection of the Consumersubcommittees and panels:Products and Services SectorBoard, was published under theauthority of the Standards Board British Textile Technology Group and comes into effect onUniversity of Edinburgh15 January 1997BSI 1997Amendments issued since publicationFirst published as BS 476Amd. No. Date Text affectedDecember 1932Second edition July 1953First published as BS 476 : Part 7February 1971Second edition June 1987Third edition January 1997The following BSI referencesrelate to the work on thisstandard:Committee reference FSH/21Draft for comment 94/307806 DCISBN 0 580 26298 7Licensed Copy: AUB User, na, Wed Mar 28 03:34:58 GMT+00:00 2007, Uncontrolled Copy, c BSIBS 476 : Part 7 : 1997PageForeword iiMethod1 Scope 12 Normative references 13 Definitions 14 Suitability of a product for testing 25 Test specimens 26 Apparatus 37 Ancillary equipment 118 Calibration 129 Test procedure 1310 Recording of results 1411 Classification of results 1412 Report 15AnnexesA informative Guidance for operators 16B informative Effect of thermal characteristics on the performance ofassemblies 16C informative Validation of test method 171 Irradiance along horizontal reference line on the calibration board 132 Classification of spread of flame 15Figures1 General arrangement of a typical apparatus 52 Typical design of specimen holder 63 Position of specimen holder in relation to radiation panel 84 Position of pilot burner in relation to surface of specimen 95 Typical diagrammatic arrangement of gas and air supply 106 Calibration board 127 Reference lines to assist surface spread of flame classification 14List of references Inside back coverBSI 1997 iLicensed Copy: AUB User, na, Wed Mar 28 03:34:58 GMT+00:00 2007, Uncontrolled Copy, c BSIBS 476 : Part 7 : 1997ForewordThis Part of BS 476 has been prepared by Technical Committee FSH/21. It supersedesBS 476 : Part 7 : 1987, which is withdrawn, but both the 1971 and 1987 editions will stillbe made available on request since they are referred to in building regulations andother legislative documents.NOTE. Upon publication of BS 476 : Part 7 : 1996, BSI Customer Services Department will respond topurchase orders for BS 476 : Part 7 by supplying the 1996 edition. Copies of the 1987 or 1971 editions maybe obtained by quoting the number ‘BS 476/7/87’ or ‘BS 476/7/71’ respectively.This revision has been prepared with the aim of improving the repeatability andreproducibility of the test results by clarifying procedures and by giving additionalguidance to test operators. The changes incorporated into this revision are notexpected to cause changes in material classifications.In this method, specimens of the product material, composite or assembly aresubjected to a specified heating and ignition regime. The test takes account of thecombined effect of factors such as ignition characteristics and the extent to which theflame spreads over the surface of the product under opposed flow conditions. Theinfluence of any underlying materials on these factors, in relation to their ability toinfluence the rate of fire growth, is also taken into account. The test result is a functionof the distance and rate of, the lateral spread of flame; and this is classified accordingto performance as classes 1 to 4.A series of new reaction to fire tests is under development in ISO/TC92/SC1, Reactionto fire tests. The UK is participating in this work, which will define small-scale,intermediate-scale and large-scale tests for ignitability, heat release rate and flamepropagation. ISO 5658 will cover spread of flame: Part 1 giving guidance on spread offlame and Part 2 measuring opposed flow lateral spread of flame along the surface of aspecimen of a product in the vertical position. Part 2 will be implemented as BS 476 :Part 14. The radiant panel used in ISO 5658-2 is smaller than thatin this Part ofBS 476 but, by inclining the panel to the specimen at 15?, the heat flux at the hot end of2the specimen is increased to 50 kW/mPart 3 of ISO 5658, which is also underdevelopment, refers to this procedure as the LIFT lateral ignition and flame spreadtest and it is expected to provide more fundamental data for mathematical modellingthan ISO 5658-2 or this Part of BS 476.Attention is drawn to the Health and Safety at Work etc. Act 1974, and the need toensure that the method of test specified in this standard is carried out under suitableenvironmental conditions to provide adequate protection to personnel against the riskof fire and inhalation of smoke and/or toxic products of combustion.Compliance with a British Standard does not of itself confer immunity from legal obligations.ii BSI 1997Licensed Copy: AUB User, na, Wed Mar 28 03:34:58 GMT+00:00 2007,Uncontrolled Copy, c BSIBS 476 : Part 7 : 1997Method3.4 irradiance at a point on a surface1 ScopeTotal thermal radiant flux incident on anThis Part of BS 476 specifies a method of test forinfinitesimal element of the surface containing themeasuring the lateral spread of flame along thepoint, divided by the area of that element.surface of a specimen of a product orientated in the vertical position under opposed flow conditions, and3.5 essentially flat surfacea classification system based on the rate and extentSurface from which specimens can be obtained thatof the spread of flame. It provides data suitable for have an irregularity from a flat plane which is less comparing the end-use performances of essentially?than 3 mm.flat materials, composites or assemblies, which areused primarily as the exposed surfaces of walls or3.6 flashingceilings.Existence of a flame on or over the surface of theAnnex A gives guidance to operators carrying outspecimen for periods of less than 1 s.this method of test. Annex B discusses the effect of3.7 transitory flamingthermal characteristics on the performance ofExistence of flame on or over the surface of theassemblies and gives advice on the construction andspecimen for periods of between 1 s and 3 s.preparation of test specimens. Annex C givesinformation on the validation of this method.3.8 sustained flamingNOTE. The test results relate only to the behaviour of the test Existence of flame on or over the surface of thespecimens of the product under the particular conditions of test; specimen for periods of over 3 s.they are not intended to be the sole criterion for assessing the potential fire hazard of the product in use.3.9 radiant exitance at a point on a surfaceQuotient of the radiant flux leaving an element of the2 Normative referencessurface containing the point, divided by the area of This Part of BS 476 incorporates, by dated orthat element.undated reference, provisions from other3.10 materialpublications. These normative references are made Single substance or uniformly dispersed mixture, e.g. at the appropriate places in the text and the cited metal, stone, timber, concrete, mineral fibre, publications are listed on the inside back cover. For polymers.dated references, only the edition cited applies; any subsequent amendments to or revisions of the cited3.11 productpublication apply to this Part of BS 476 only when Material, composite or assembly about which incorporated in the reference by amendment or information is required.revision. For undated references, the latest edition of the cited publication applies, together with any3.12 substrateamendments.Material used, or representative of that used, immediately beneath a surface in end-use; e.g. fibre 3 Definitions cement board beneath a floor covering. For the purposes of this British Standard, the3.13 assemblydefinitions given in BS 4422 : Part 1 : 1987, Fabrication of materials and/or composites that can Part 2 : 1990, and Part 5 : 1989, and BS 476 : contain air gaps.Part 10 : 1983 apply, together with the following: 3.14 composite3.1 exposed surfacesCombination of materials which are generally Surfaces of the product subjected to the heating recognized in building constructions as discrete conditions of the test.entities, e.g. coated or laminated materials.3.2 spread of flame3.15 thin filmPropagation of a flame front over the surface of a Discrete surface layer or coating having a thickness product under the influence of imposed irradiance.less than or equal to 50mm.3.3 flame frontFurthest extent of travel of a coherent flame alongthe reference line marked on the test specimen.BSI 1997 1Licensed Copy: AUB User, na, Wed Mar 28 03:34:58 GMT+00:00 2007, Uncontrolled Copy, c BSIBS 476 : Part 7 : 19974 Suitability of a product for testing5 Test specimens4.1 Surface characteristics5.1 Number of specimensA minimum of six and a imum of nine test4.1.1 A product shall have one of the followingspecimens shall be provided, and they shall becharacteristics to be suitable for evaluation by thisrepresentative of the exposed surface of the product.method:a an essentially flat exposed surface; 5.2 The exposed surfaceb a surface irregularity that is evenly distributed The product shall be tested on that face which isover the exposed surface see A.1, provided that normally exposed in practice, taking account of theboth of the following apply: following.1 at least 50 % of the surface of a representative a If it is possiblefor either or both of the faces tosquare area of 270 mm3 270 mm lies within a be exposed in use then, if the faces are differentdepth of 6 mm from a plane taken across the or if the core of those faces is asymmetrical, bothhighest points on the exposed surface; and faces shall be tested.2 any cracks, fissures or holes do not b If the face of the product contains a surfaceexceed 6.5 mm in width or a depth of 10 mm, irregularity that is specifically directional, e.g.and the total area of such cracks, fissures or corrugations, which may in practice runholes at the surface does not exceed 30 % of a horizontally or vertically, the product shall berepresentative square area of 270 mm3 270 mm tested in both orientations.of the exposed surface.c If the exposed face contains distinct areas ofdifferent surface finish or texture, then the4.1.2 Where a product has areas of its surfaceappropriate number of specimens shall bewhich are distinctly different, but each of theseprovided for each distinct area of such finish or separate areas satisfies the surface characteristics texture to be evaluated.specified in 4.1.1a, then more than one surfacespread of flame test shall be conducted to evaluate 5.3 Size of specimensthe product fully.5.3.1 Except where the specimens are expected to4.1.3 When an exposed surface does not conform to achieve a class 1 standard, the specimens shall bethe requirements of 4.1.1, it shall be modified to+0 +0rectangular and 885 mm3 270 mm. Only where25 25conform to the requirement of 4.1.1a, and this shall specimens are being prepared with a view tobe stated in the report. A prefix D shall be added to achieving a class 1 standard of performance, shall the the spread of flame classification of any product length of the specimen be reduced to a minimumwhich has been tested in a modified form, inof 250 mm. If transitory flaming is exhibited by anyaccordance with 11.4.short specimen to the end of the specimen, then full4.2 Thermally unstable productssize specimens shall be tested. Where reducedIn cases where the test method is inadequate for specimen lengths are used, the remaining lengthassessing products that react in particular ways shall be made up of a filler piece comprising a panelunder exposure to the specified heating conditions of non-combustible board, the surface of which shallsee 9.2.3, provision shall be made either to apply a be level with the surface of the specimen. The use ofsuffix to the result see clause 11 and item j of reduced size specimens shall be reported.clause 12 or to prohibit an assessment being madeNOTE. A class 1 standard of performance may be anticipated bybecause the product is unsuitable for testing by this the manufacturer where the specimen is substantiallynon-combustible, or where regulations prohibit the use of class 2, method.3 and4 materials.NOTE. Products showing these characteristics do not necessarilybehave poorly in fire situations and should be assessed by other test methods.2 BSI 1997Licensed Copy: AUB User, na, Wed Mar 28 03:34:58 GMT+00:00 2007, Uncontrolled Copy, c BSIBS 476 : Part 7 : 19975.3.2 When the product is of insufficient size to 5.6.2 Products without air gapsallow the specimen size to be achieved in widthWhere a product is normally used without an air gapand/or length, it is permissible for small pieces of thebehind it, then the unexposed face of the specimenproduct to be placed adjacent to each other toshall be placed directly on, and in direct contactobtain the required dimension, provided that anwith, a backing board without any adhesion oressentially flat surface can be achieved and it ismechanical fixing.considered that such a procedure does not have any5.6.3 Products with air gapsinfluence on the surface spread of flame. The use ofWhere a product is normally used with an air gapsuch specimens shall be reported.behind it, then the specimen shall be placed over the5.3.3 All specimens shall be tested at full thicknessspacers positioned around its perimeter andproviding they fit into the specimen holder. If the?mounted onto a backing board so that a 25 1 mmproduct is of such a thickness that it will not fit intoenclosed air gap is provided between the unexposedthe specimen holder, its thickness shall be reducedface of the specimen and the backing board.by cutting away the unexposed face of the product5.7 Backing boards and spacersto reduce the thickness to a minimum of 50 mm.5.7.1 The backing boards shall be rectangular,5.4 Construction of specimens+0 +0885 mm3 270 and shall be made of5.4.1 When the product is a thin film, it shall be 25 25applied to an appropriate substrate see annex B, non-combustible insulation board of oven-dry density3?using a method and application rate recommended 825 125 kg/m and nominal thickness 12 mm.by the manufacturer for its use. The laboratory shall5.7.2 Spacers used to form air gaps within andetermine whether a product incorporates a thin filmassembly shall be of the same material as theon its surface, and shall note if this is the case.?backing boards and shall be 25 1 mm thick and5.4.2 When the product is a material or composite approximately 20 mm wide.which would normally be attached to a substrate, it5.7.3 Backing boards and/or spacers used to backshall be tested in conjunction with the appropriatethe specimens shall be re-used after storing in thesubstrate see annex B, using the fixing techniqueconditioning atmosphere for at least 12 h see 5.5.2,recommended by the manufacturer, e.g. bonded withonly if they are not contaminated. If there is anythe appropriate adhesive or mechanically fixed.doubt about the condition of a backing board or5.4.3 When cutting specimens from products withspacer it shall be discarded.irregular surfaces see 4.1.1b, the highest point of the surface shall be arranged to be in contact with 6 Apparatusthe pilot flame when the specimen is in its test 6.1 Generalposition.The apparatus shall consis。
PE海绵BS476-6 I指数防火试验
易朔国际BS 476-6防火测试厦门易朔Ecosafene 公司专业BS476-6测试PE 海绵BS476-6 I 指数防火试验PE 海绵：PE 发泡棉，是一种新型环保材料，可随意调整软硬度和厚度，重量轻等特点，是其他发泡棉类材料无可取代的，可热压成型，也可生产阻燃型，适用各类保温材料。
PE 海绵BS476-6试验简介：BS476-6通过火焰传播指数大小，提供平面材料火焰产生的测量，评估墙壁和天花板等产品的防火性能。
分别计算3个时间段[(0-3)min ，(4-10)min ，(11-20)min]的分火焰传播指数i （即i1、i2、i3）。
总火焰传播指数I 为3个分火焰传播指数之和（即I=i1+i2+i3）。
—BS476-6: 建筑材料火焰传播测试—BS476-6: Method of test for fire propagation for productsPE 海绵BS476-6试验相关标准：BS 476-4：建筑材料不燃性测试BS 476-5：建筑材料引燃性测试BS 476-6：建筑材料火势蔓延测试BS 476-7：产品火焰表面蔓延分类测试BS 476-20：建筑构件耐火的测试方法(一般原理)BS 476-21：承重构件防火测试方法BS 476-22：非载荷建筑元件防火测试方法PE 海绵其他建材测试：EN 13501-1: 建筑制品和构件的火灾分级第一部分：用对火反应试验数据的分级 DIN 4102-1: 建筑材料和构件的防火性能第一部分：建筑材料要求和测试的分类等级 NF P 92-501: 法国材料阻燃防火测试M 等级测定－刚性材料（M0,M1,M2,M3,M4） NF P 92-503: 法国材料阻燃防火测试M 等级测定－柔性材料（M0,M1,M2,M3,M4）。
石膏板bs 4764 不燃性防火试验
石膏板BS476-4不燃性防火试验
石膏板BS476-4不燃性试验-标准名称：
BS476-4建筑材料和构件的燃烧试验.材料的不燃性试验
BS476-4:FiretestsinbuildingmaterialsandstructuresPart4: Non-combustibilitytestformaterials
石膏板BS476-4不燃性试验-标准简介：
BS476-4不燃性试验：英国标准476系列的这一部分规定了确定建筑材料是否属于不燃性的含义的测试方法。
将样品放入测试容器中，热电偶插入样品中心并且连接测试设备。
此外样品的热电偶也放进炉子内部炉内温度达到750℃，这样的状态持续整个测试20分钟，记录下两个热电偶的相关数据。
BS476-6欧洲防火测试的相关标准：
BS476-5：建筑材料引燃性测试
BS476-6：建筑材料火势蔓延测试
BS476-7：产品火焰表面蔓延分类测试
BS476-20：建筑构件耐火的测试方法(一般原理)
BS476-21：承重构件防火测试方法
BS476-22：非载荷建筑组件防火测试方法。
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BS 476-7表面材料防火性能测试
标准名称：
BS476-7: 建筑材料阻燃防火测试–表面燃烧等级测定
BS476-7: Method of test to determine the classification of the surface spread of flame of products
BS476-7火焰表面蔓延分类测试-概述
此法是在燃烧箱内点燃试样，点燃源为燃气辐射板及中型燃气喷灯。
用于测定火焰沿垂直板状试件表面传播的情况，其测得的结果适用于比较墙壁或天花板暴露表面的防火性能。
易朔（Crepim-China)提供权威英国UKAS认可的BS476-7火焰表面蔓延分类测试
标准参考：
BS 476：建筑材料和结构的防火测试
BS 476-4：建筑材料和结构的防火测试-材料不燃性测试
BS 476-5：建筑材料引燃性测试方法
BS 476-6：建筑材料和构件的防火测试.第6部分:制品火势蔓延的测试方法
BS 476-7：建筑材料和构件的防火测试.第7部分:测定产品火焰表面蔓延分类的测试方法BS 476-20：建筑材料和构件的防火测试.第20部分:建筑构件耐火的测试方法(一般原理)
BS 476-21：承重构件防火测试
BS 476-22：非载荷建筑元件防火测试。