BS 4066-3电缆成束燃烧测试

BS 4066-3: Tests on electric cables under fire conditions Tests on bunched wires or cables /BS 4066-3: 电线电缆着火条件下测试—第3部分:成捆电线电缆测试 BS 4066-3电缆成束燃烧测试-试验步骤 安装线缆试样,将试样用钢丝固定在钢梯上 确保箱体温度在5 – 40度之间 调整燃烧器位置,使其前端距电线75+/-8mm 调节气源,使空气流速为7+/-4.7L/min,丙烷流速为13.3+/-0.5L/min,点火并稳定 测试持续40分钟 待试验结束后,清洁试样表面并测量试样碳化损毁长度,记录数据 BS 4066-3电缆成束燃烧测试-评判依据 BS6853标准规定线缆根据表格13车内线缆及表格14车外线缆执行3项测试,包括BS4066-3成束燃烧测试、BS6853Annex D 8.7烟密度和 BS6853 Annex B烟毒性测试。 根据BS6853标准,要求BS4066-3成束燃烧测试后,样品的燃烧长度最大不能超过2.5米。 BS 4066-3电缆成束燃烧测试-样品要求 样品尺寸要求:3.5m 预处理条件:试样需在测试前置于(20±10)℃的温度条件至少16小时。试样需干燥处理。 BS 4066-3电缆成束燃烧测试-参考标准  BS 6853: 载客列车设计与构造防火通用规范 DIN EN 50266-2-4: 整束线缆的垂直燃烧测试 […]

ISO 9352-1995塑料 磨轮法测定耐磨损性

ISO 9352-1995 Plastics. Determination of resistance to wear by abrasive wheels ISO 9352-1995塑料 磨轮法测定耐磨损性  Abstract: States a general method for determining the resistance to abrasive wear of plastics under the action of abrasive wheels. Equally applicable to moulded test specimens, components and finished products. This method is not applicable to […]

DIN53438-2/DIN 53438-3易燃性测试

DIN 53438-2 可燃材料的检验- 边缘燃烧 DIN 53438-2 Testing of combustible materials – response to ignition by a small flame- edge ignition DIN 53438-3 可燃材料的检验- 表面火焰 DIN 53438-3 Testing of combustible materials – response to ignition by a small flame-surface ignition DIN53438-2 / DIN 53438-3易燃性测试– 标准简介 轨道车辆(火车)阻燃防火材料-小零部件(手柄,广告牌等) 试验方法:DIN 53438 – 可燃材料试验 等级判定:S1 […]

ASTM D1044 透明塑料表面耐磨蚀性的标准试验

ASTM D1044-08(透明塑料) Standard Test Method for Resistance of Transparent Plastics to Surface Abrasion ASTM D1044-08(透明塑料) 透明塑料表面耐磨蚀性的标准试验方法 样品要求:100×100mm, 厚度不超过12.7mm,不少于3pcs 周期: 7~9个工作日 Relative Standard 相关标准 ASTM D1003 透明塑料透光率和雾度试验方法 ASTM D1003 Test Method for Haze and Luminous Transmittance of Transparent Plastics ASTM D4000详细说明塑料的分类体系 ASTM D4000 Classification System for Specifying Plastic Materials ASTMD4060 用泰伯尔磨蚀机测定有机涂层耐磨性的试验方法 […]

ASTM D4226 未增塑聚氯乙烯性能评价中的应用

ASTM D4226-10(PVC建材) Standard Test Methods for Impact Resistance of Rigid Poly(Vinyl Chloride) (PVC) Building Products ASTM D4226-10(PVC建材) 冲击试验方法在未增塑聚氯乙烯性能评价中的应用 Scope: These test methods cover the determination of the energy required to crack or break rigid poly(vinyl chloride) (PVC) plastic sheeting and profile flat sections used in building products, as well as […]

ASTM D5420 扁平硬塑料试样耐冲击性的试验

ASTM D5420-10(Gardner Impact)Standard Test Method for Impact Resistance of Flat,Rigid Plastic Specimen by Means of a Striker Impacted by a Falling Weight (Gardner Impact) ASTM D5420-10 用落锤撞击法测定扁平硬塑料试样耐冲击性的试验方法 样品要求:最小 50×50mm, 20 pcs 周期: 7~9个工作日 Relative Standard相关标准 ASTM D618;试验用塑料调节规程 ASTM D618 Standard Practice for Conditioning Plastics for Testing ASTM D883;塑料制品相关的标准术语 ASTM D883 […]

DIN 54837燃烧特性测试

DIN 54837 Testing of materials, small components and component sections for rail vehicles – Determination of burning behaviour using a gas burner DIN 54837-铁路车辆用材料和构件试验-燃烧特性测定 DIN54837燃烧特性测试 – 标准简介 DIN5510-2德国轨交防火标准主要从燃烧性能、熔滴、烟密度和烟毒性等指标考量材料的阻燃防火性能。 DIN 54837燃烧特性测定是DIN 5510-2的主要测试方法之一,其等级判定分为燃烧等级S2-S5, 熔滴等级ST1-ST2,烟雾等级 SR1-SR2。该标准主要适用于成型构件(如密封条,墙面材料,天花板,涂料胶水等)  DIN54837燃烧特性测试 – 等级划分  S2-S5燃烧等级 燃烧等级 S2 S3 S4 S5 损毁长度 ≤30 cm ≤25 cm ≤20 cm 0 […]

GB/T 1041 塑料 压缩性能的测定

GB/T 1041-2008  Plastics–Determiantion of compressive properties GB/T 1041-2008 塑料 压缩性能的测定 样品要求:优选尺寸:10×10×4mm, 5pcs 周期: 7~9个工作日 Relative Standard 相关标准 GB/T 11997-2008  塑料 多用途试样 GB/T 11997-2008  Plastics–Multipurpose test specimens GB/T 17037.1-1997  热塑性塑料材料注塑试样的制备 第1部分:一般原理及多用途试样和长条试样的制备 GB/T 17037.1-1997  Injection moulding of test specimens of thermoplastic materails–Part 1: General principles and moulding of multipurpose and bar test […]