推荐回答(3个)
阻燃板,又名叫难燃板,有阻燃密度板、阻燃胶合板等,是在人造板生产流程中,通过复杂的工艺,将阻燃剂添加到板材生产线中制成的人造板。
我国国家标准GB8624-2012 将建筑材料的燃烧性能分为以下几种等级。
A级:不燃材料(制品)
B1级:难燃材料(制品)
B2级:可燃材料(制品)
B3级:易燃材料(制品)
难燃B1级标准主要有三大指标:
(1)氧指数:≥32.0%; (2)垂直燃烧性能:燃烧时间≤30S,燃烧高度≤250mm; (3)烟密度等级:≤75SD
大王椰阻燃板,采用实木板芯,环保健康更耐用。
第一种阻燃板是一种较为耐外界环境的阻燃板,首要的效果为耐气候、耐久、能蒸汽处理、耐高温、耐沸水的长处。
第二种阻燃板是一种较为耐潮的阻燃板,能经得起在冷水中短时间浸渍,可在室内常温下运用,一般用作家具制作和一般的修建用处。
第三种阻燃板是耐水的阻燃板,能够经得起短时间的热水浸渍和长时间的冷水浸渍。
第四种阻燃板为不耐潮的阻燃板,一般运用与北方气候干燥的室内运用,首要用于一般用处阻燃板用材有水曲柳、椴木、桦木、杨木、榆木等。
优质阻燃板特点:
①阻燃胶合板的吸湿性小,吸水厚度膨胀率稳定,防潮功能卓越,不影响饰面、油漆等二次加工;
②产品游离甲醛释放量远低于国标E1级之规定;
③阻燃功能优异,可达B1级;
④具有较高的化学稳定性及优秀的耐老化性;
⑤MOR、MOE、IB等物理力学功能指标均到达国标之规定优等品A级要求;
⑥阻燃胶合板本身安全环保,焚烧剩余物无毒、无污染;
⑦不损害阻燃胶合板的饰面性、胶粘性及机加工功能;
⑧阻燃胶合板握螺钉力优秀,不腐蚀金属连接件
阻燃胶合板防火等级的划分
A级:不燃性修建资料:简直不发作焚烧的资料。
A1级:不燃,不起明火
A2级:不燃,要测量烟,要合格。
B1级:难燃类,有较好的阻燃效果。其在空气中遇明火或在高温效果下难起火,不易很快发作延伸,且当火源移开后焚烧立即停止。
B2级:可燃性修建资料:可燃类资料有必定的阻燃效果。在空气中遇明火或在高温效果下会立即起火焚烧,易导致火灾的延伸,如木柱、木屋架、木梁、木楼梯等。
B3级:易燃性修建资料:无任何阻燃效果,极易焚烧,火灾危险性很大。
阻燃材料标准为ANSI/UL-94-1985标准?
UL94试验共有五种:
1.B级的水平燃烧试验
2.94V-0、94V-1、94V-2级的垂直燃烧试验
3.945-V级的垂直燃烧试验
4.用辐射板的火焰蔓延指数试验(按ASTME162的标准测定这里不作介绍)
5.94VTM-0,94VTM-1,94VTM-2级的垂直燃烧试验(VTM指极薄的材料这里不作介绍)
介绍一下94V-2、94V-1、94V-0级的垂直燃烧试验阻燃级别依次递增;详细说明:
V-2:对样品进行两次10秒的燃烧测试后,火焰在60秒内熄灭。可以有燃烧物掉下。
V-1:对样品进行两次10秒的燃烧测试后,火焰在60秒内熄灭。不能有燃烧物掉下。
V-0:对样品进行两次10秒的燃烧测试后,火焰在30秒内熄灭。不能有燃烧物掉下
定制硅胶制品,可以找科泰利
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