国产中的精品av涩差av_精品国产1_玩两个丰满老熟女在线视频_国产区免费观看_欧美精品第一页_蛇女欲潮性三级

Search Share Chinese Contact us
 Your position:Engilsh > About Sutebao > Company news >
Company news
Introduction of Environmental Flame Retardant Fabrics
Date:2019-02-23 15:12:03
There are many international standards for flame retardant textiles, such as British BS, German DIN, Canadian GCSB, American FS, Swiss SNV, Japanese JIS, French ANF, Swedish SIS, Chinese GB and international ISO. Regions and organizations in some countries, such as New York, Boston, California and other large cities or states in the United States, as well as the Department of Commerce (DOCFF), the Department of Transport (DOT) and military agencies, and organizations, societies or associations, such as the National Fire Protection Association (NFPA), the Association of Textile Chemists and Dyers (AATCC), and the Society for Material Testing (ASTM), all have their own standards and testing methods. There are different testing methods for different types of special textile products or finished products.
 
 
1. Standards of flame retardant textiles commonly used in China
 
(1) GB17591 Flame Retardant Woven Fabric
 
The standard specifies the product classification, technical requirements, test methods, inspection rules, packaging and marking of flame retardant woven fabrics. The standard divides the flame retardancy of flame retardant woven fabrics into two levels: 1) B1 level: damage length < 150MM, duration < 5S, ignition time < 5S; 2) B2 level: damage length < 200MM, duration < 15S, ignition time < 10S. The flame retardant properties were tested according to GB/T5455. According to the use of the product or the assessment level determined by the supplier and the demander through consultation, the general B1 level is applicable to decorative cloth for clothing and special needs, and the B2 level is applicable to various decorative cloth.
 
Fireproof fabric
 
 
Flame retardant fabric
 
(2) GB8965 Flame Retardant Protective Clothing
 
This standard stipulates the technical requirements, test methods, inspection rules, signs, packaging, transportation and storage of fire-retardant protective clothing. It is only applicable to fire-retardant clothing for workers engaged in open fire, spark emission, operation near molten metal and places where flammable substances are dangerous to fire. The flame retardant properties of the garments should be tested according to GB/T5455 and meet the B1 level requirements specified in GB17591.
 
Fire-proof suit
 
 
Fire-proof suit
 
(3) GB50222 "Code for Fire Prevention of Interior Decoration Design of Buildings"
 
The standard stipulates the flame retardant requirements and test methods of decorative fabrics such as curtains, curtains, bedspreads, furniture wrappings, etc. According to GB/T5455 vertical test method, decorative fabrics in underground civil buildings must meet B1 level requirements, decorative fabrics in high-rise civil buildings must meet B1 level requirements, bedding in high-rise residential buildings and hotels should meet B1 level requirements, and curtains, curtains and furniture wrappings should also meet B1 or B2 level requirements according to different buildings and places.

Copyright ? 2015-2019 Zhongshan Sutebao New Materials Co., LTD Copyright
主站蜘蛛池模板: japanese护士高潮 | 超碰在线人人爱 | 东京热无码AV男人的天堂 | 四虎影视一区二区精品 | 男女精品网站 | 三级一区二区 | 色就是色av | 看外国毛片 | a级黄色免费看 | 婷婷在线看 | 午夜成人1000部免费视频 | 777777在线视频观看 | 黄色片网站片 | 国产偷视频 | 一区二区日韩视频 | 人妻少妇精品视中文字幕国语 | 亚洲人成网站在线播放无码 | 日韩精品成人免费视频 | 夜色爽爽爽久久精品日韩 | 日韩激情视频在线 | 久久国产视频播放 | 黄色18免费 | 四虎永久在线精品免费看 | 亚洲另类一区二区三区 | 日韩高清三区 | 啦啦啦高清视频在线观看 | 狠狠插综合 | 中文字幕在线色 | 二区三区在线观看 | 人人干夜夜操 | 超碰日日干 | 特级黄色av | 国产精品久久久久久久av三级 | 日本少妇被黑人xxxxx软件 | 欧美三级a做爰在线观看 | 91av日本| 国产999免费视频 | 91麻豆精品久久毛片一级 | 亚洲国产熟妇无码一区二区 | 天天干天天操心 | 南海有色南海灵通南海有色 |