



免费预览已结束,剩余1页可下载查看
下载本文档
版权说明:本文档由用户提供并上传,收益归属内容提供方,若内容存在侵权,请进行举报或认领
文档简介
UL94标准 UL94 HB flammability standard (UL94 HB可燃性标准) o Requirements for HB (HB的要求条件) UL94 V-0, V-1, V-2 flammability standard (UL94 V-0, V-1, V-2可燃性标准) o Requirements for V-0 (V-0的要求条件) o Requirements for V-1 (V-1的要求条件) o Requirements for V-2 (V-2的要求条件) UL94 5VA & 5VB flammability standard (UL94 5VA & 5VB可燃性标准) o Requirements for 5VA (5VA的要求条件) o Requirements for 5VB (5VB的要求条件) UL94 criteria summary (UL94判定标准摘要) Glow Wire testing Obtaining material recognition (取得材料认证) UL test descriptions (UL测试描述) UL file numbers for RTP Company (RTP公司的UL档案号码) Requesting a UL Yellow Card from RTP Company (向RTP公司要UL黄卡) UL 94 HB flammability standard(UL94 HB可燃性标准)Specimen 试片 Length 125 mm (5 in) x Width 13 mm (0.5 in) x Thickness typically 1.5 mm (1/16 in) or 3.0 mm (1/8 in) or 6.0 mm (1/4 in). 长125mm(5)X宽13mm(1/2)X厚度一般为1.5mm(1/16)、3.0mm (1/8)或6.0mm (1/4)厚Procedure 程序 1. Three specimens of each thickness are tested after conditioning for 48 hours at 23 degrees C and 50% RH.每一种厚度准备了三个试片,测试前先在23和50%相对湿度下放置48小时。 2. Each specimen is mounted with its long axis horizontal and its short axis at a 45 degree angle.每一试片以长轴呈水平、短轴呈45方式固定。 3. Each specimen is marked with two lines, 25 mm and 100 mm from one end of the specimen. 每一试片在25mm及100mm处画线做记号。 4. Each specimen is supported at one end such that its lower edge is 10 mm above a piece of wire gauze. 每一试片之一端固定,低缘下方10mm处水平放置一片金属细网。 5. A 20 mm high blue Bunsen burner flame is applied to the free end of the specimen for 30 second and then removed. If the specimen continues to burn after the removal of the test flame, the time for the flame front to travel between the two gauge marks is measured and the burning rate calculated in millimeters per minute. 一个20mm高蓝色本生灯火焰燃烧试片未固定之一端30秒钟然后移开。 在火焰移开后假如试片继续燃烧,则测出火焰由前缘燃烧至2个记号之间所用的时间。 燃烧速率以mm/min计算。Requirements for HB HB等级的判定标准6. The specimens may not have a burn rate exceeding 40 mm per minute over a 75 mm span for specimens having a thickness of 3.0 mm to 13 mm, or 3.0mm到13mm厚度之试片,没有一个在75mn距离内燃烧速率超过40mm/min或7. The specimens may not have a burn rate exceeding 75 mm per minute over a 75 mm span for specimens having a thickness less than 3.0 mm, or小于3mm厚度之试片,没有一个在75mm距离内燃烧速率超过75mm/min或8. The specimens cease to burn before the flame reaches the 100 mm mark. 火焰在接近100mm记号前中止燃烧。 Top UL 94 V-0, V-1, V-2 flammability standard(UL94 V-0, V-1, V-2可燃性标准)Specimen 试片Length 125 mm (5 in) x Width 13 mm (0.5 in) x Thickness typically 0.7 mm (1/32 in) or 1.5 mm (1/16 in) or 3.0 mm (1/8 in). 长125mm(5)X宽13mm(1/2)X厚度一般为0.7mm(1/32)、1.5mm(1/16)、3mm(1/8)厚Procedure 程序 1. A total of 10 specimens (2 sets) are tested per thickness. 每一厚度总共10个试片(分为两组)被测试。2. Five specimens of each thickness are tested after conditioning for 48 hours at 23 degrees C and 50% RH. 每一厚度取5个试片为一组在23和50%下放置48小时后再测试。3. Five specimens of each thickness are tested after conditioning for 7 days at 70 degrees C. 同一厚度另取5个试片为一组在70下放置7天后再测试。4. Each specimen is mounted with long axis vertical 每一试片以长轴垂直地面方式固定。 5. Each specimen is supported such that its lower end is 10 mm above Bunsen burner tube. 试片上端被支撑以致下端高于本生灯10mm。6. A blue 20 mm high flame is applied to the center of the lower edge of the specimen for 10 seconds and removed. If burning ceases within 30 seconds, the flame is reapplied for an additional 10 seconds. If the specimen drips, particles are allowed to fall onto a layer of dry absorbent surgical cotton placed 300 mm below the specimen. 蓝色20mm高火焰燃烧试片下端边缘中心10秒钟,然后移开。 假如试片在30秒之内停止燃烧,则本生灯火焰再次燃烧试片下端边缘中心10秒钟。假如试片熔化,则滴下来的火焰分子会掉落在距试片下端300mm处之棉花层。 Requirements for V-0 (V-0的要求条件)7. The specimens may not burn with flaming combustion for more than 10 seconds after either application of the test flame. 在每一次本生灯火焰燃烧10秒钟移开后,没有任何一个试片被火焰点燃超过10秒钟。8. The total flaming combustion time may not exceed 50 seconds for the 10 flame applications for each set of 5 specimens. 每一组的5个试片中,共10次火焰燃烧10秒钟移开后,总共火焰燃烧的时间不超过50秒钟。9. The specimens may not burn with flaming or glowing combustion up to the holding clamp.没有任何试片被火焰点燃并燃烧到试片被夹住固定的上端。10. The specimens may not drip flaming particles that ignite the dry absorbent surgical cotton located 300 mm below the test specimen. 没有任何试片滴落的火焰分子会点燃300mm下之乾燥的吸收性外科用棉花。11. The specimens may not have glowing combustion that persists for more than 30 seconds after the second removal of the test flame. 没有任何试片在第二次测试火焰移开后燃烧持续超过30秒钟。 Requirements for V-1 (V-1的要求条件)12. The specimens may not burn with flaming combustion for more than 30 seconds after either application of the test flame. 在每一次本生灯火焰燃烧10秒钟移开后,没有任何一个试片被火焰点燃超过30秒钟。13. The total flaming combustion time may not exceed 250 seconds for the 10 flame applications for each set of 5 specimens. 每一组的5个试片中,共10次火焰燃烧10秒钟移开后,总共火焰燃烧时间不超过250秒钟。14. The specimens may not burn with flaming or glowing combustion up to the holding clamp. 没有任何试片被火焰点燃并燃烧到试片被夹住固定的上端。15. The specimens may not drip flaming particles that ignite the dry absorbent surgical cotton located 300 mm below the test specimen. 没有任何试片滴落的火焰分子会点燃300mm下之乾燥的吸收性外科用棉花。16. The specimens may not have glowing combustion that persists for more than 60 seconds after the second removal of the test flame. 没有任何试片在第二次测试火焰移开后燃烧持续超过60秒钟。 Requirements for V-2 (V-2的要求条件)17. The specimens may not burn with flaming combustion for more than 30 seconds after either application of the test flame. 在每一次本生灯火焰燃烧1 0秒钟移开后没有任何一个试片被火焰点燃超过30秒钟。18. The total flaming combustion time may not exceed 250 seconds for the 10 flame applications for each set of 5 specimens. 每一组的5个试片中,若10次火焰燃烧10秒钟移开后,总共火焰燃烧不超过250秒钟。19. The specimens may not burn with flaming or glowing combustion up to the holding clamp. 没有任何试片被火焰点燃并燃烧到试片被夹住固定的上端。20. The specimens can drip flaming particles that ignite the dry absorbent surgical cotton located 300 mm below the test specimen. 试片滴落的火焰分子会有短暂的燃烧,且会点燃300mm之下的乾燥的吸收性外科用棉花层。21. The specimens may not have glowing combustion that persists for more than 60 seconds after the second removal of the test flame. 没有任何试片在第二次测试火焰移开后燃烧持续超过60秒钟。 Top UL94 5VA & 5VB flammability standard (UL94 5VA & 5VB可燃性标准)Specimens 试片 Bars: Length 125 mm (5 in) x Width 13 mm (0.5 in) x Thickness typically 3.0 mm (1/8 in).试片:长125mm(5)X宽13mm(0.5)X厚度一般为3mm(1/8)Plaques: Length 150 mm (6 in) x 150 mm (6 in) x Thickness typically 3.0 mm (1/8 in). 试板:150mm(6)Xl50mm(6)X厚度一般为3mm(1/8)Procedure for Bars 程序试片 1. A total of 10 specimens (2 sets) are tested per thickness. 每一厚度总共10个试片(分为两组)被测试。 2. Five specimens of each thickness are tested after conditioning for 48 hours at 23 degrees C and 50% RH. 每一厚度取5个试片为一组在23,50%RH下放置48小时后再测试。 3. Five specimens of each thickness are tested after conditioning for 7 days at 70 degrees C. 同一厚度另取5个试片为一组在70下放置7天后再测试。 4. For bar specimens, the specimens are mounted with the long axis vertical.测试棒试片以长轴垂直地面方式固定。 5. A 125 mm overall high Bunsen burner flame with a 40 mm blue inner cone is applied to the lower corner of each specimen at an angle of 20 degrees from vertical such that the tip of the blue inner cone touches the specimen. The flame is applied for 5 seconds and removed for 5 seconds. The operation is to be repeated until each specimen has been subjected to 5 applications of the test flame. 一个高度40mm中心是蓝色的火焰总长125mm高的本生灯,放置方式与垂直方向呈20角,并使蓝色火焰的顶端接触前试片的底端。 燃烧试片底端5秒钟后再移开火焰5秒钟。 如此操作重复5次。Procedure for Plaques 试板的测试程序 o Same as for bars except that the plaques are to be mounted on the horizontal plane with the flame applied to the center of the bottom surface of the plaque. 除了试板以水平方式放置以外,其测试程序都与测试片之程序相同。火焰燃烧试板之底面。Requirements for 5VA (5VA的要求求条件)7. The specimens may not burn with flaming or glowing combustion for more than 60 seconds after the fifth application of the test flame. 在第5次的火焰燃烧5秒钟之后,没有任何一片试片被点燃或持续燃烧超过60秒。8. The specimens may not drip flaming particles that ignite the dry absorbent surgical cotton located 300 mm below the test specimen. 没有任何试片滴落之火焰分子会点燃放置于下面300mm(12)之乾燥吸收性外科用棉花层。9. Plaque specimens may not exhibit burnthrough. 没有任何一片试板被火焰穿透。 Requirements for 5VB (5VB的要求求条件)10. The specimens may not burn with flaming or glowing combustion for more than 60 seconds after the fifth application of the test flame. 在第5次的火焰燃烧5秒钟之后,没有任何一片试片被点燃或持续燃烧超过60秒。11. The specimens may not drip flaming particles that ignite the dry absorbent surgical cotton located 300 mm below the test specimen. 没有任何试片滴落之火焰分子会点燃放置于下面300mm(12)之乾燥吸收性外科用棉花层。12. Plaque specimens may not exhibit burnthrough. 没有任何一片试板被火焰穿透。 Top UL 94 criteria summary(UL94判定标准摘要)Criteria 判定标准 HB V
温馨提示
- 1. 本站所有资源如无特殊说明,都需要本地电脑安装OFFICE2007和PDF阅读器。图纸软件为CAD,CAXA,PROE,UG,SolidWorks等.压缩文件请下载最新的WinRAR软件解压。
- 2. 本站的文档不包含任何第三方提供的附件图纸等,如果需要附件,请联系上传者。文件的所有权益归上传用户所有。
- 3. 本站RAR压缩包中若带图纸,网页内容里面会有图纸预览,若没有图纸预览就没有图纸。
- 4. 未经权益所有人同意不得将文件中的内容挪作商业或盈利用途。
- 5. 人人文库网仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对用户上传分享的文档内容本身不做任何修改或编辑,并不能对任何下载内容负责。
- 6. 下载文件中如有侵权或不适当内容,请与我们联系,我们立即纠正。
- 7. 本站不保证下载资源的准确性、安全性和完整性, 同时也不承担用户因使用这些下载资源对自己和他人造成任何形式的伤害或损失。
最新文档
- 二零二五年度大型发电机组进口贸易合同
- 高三试卷:山东省临沂市2025届高三上学期教学质量检测考试暨期中考试(九五联考)数学
- 2025版现代农业大棚建设与租赁一体化服务合同
- 二零二五年度房屋修缮维修工程合同协议
- 2025版光纤熔接设备性能检测与认证合同
- 2025版场地地质环境调查与监测服务合同下载
- 2025版学术论文翻译服务合同范本正规范本
- 2025版新能源电池产品销售与服务合同范本
- 二零二五年度长租公寓融资租赁协议
- 2025版房屋租赁合同范本(含租赁物维修基金及物业管理费用)
- 《礼仪规范教程》 课件 概述篇 以礼相待 第一课 礼仪的概述
- 2025年新疆焊工理论考试题库
- 2025年工会考试真题附答案
- 财产行为税法培训课件
- 2025年新版期权知识考试题库带答案
- 无锡市公安局梁溪分局招聘警务辅助人员57人笔试模拟试题参考答案详解
- 仪器对标管理办法
- 2025年山东省辅警招聘考试考试试题库含答案详解
- 2025年度养老护理员考试技师培训考试题(含答案)
- 2025年航空职业技能鉴定考试-候机楼服务技能考试历年参考题库含答案解析(5卷100道集合-单选题)
- 消防员面试问题及答案解析
评论
0/150
提交评论