女人张开腿让男桶喷水高潮_国内精品免费一区二区2001_日韩综合在线播放_麻豆在网站1区_欧美日韩在线视频首页_天天狠天天天天透在线

sales@zmscable.com

Newest! Popular cables and wires of Building

2 years ago 1911 0 News

At present, ordinary PVC cloth wire (BV) applications still dominate with the development of wire and cable industry , but also have developed a new type of wiring for construction projects. 


Here mainly introduce 4 kinds new type cable and wire.

pvc wire

1. Cross-linked polyolefin insulated wire (such as model BYJ)


As mentioned above, the superiority of cross-linked materials has been widely recognized, many countries have cross-linking technology used in the field of wire, replace the PVC wire as a building wire, and show great advantages. 


There are some manufacturers inside and outside the province can produce cross-linked wire products, and has achieved production costs and BV basically flat. Cross-linked wire is more ideal for new construction with cloth wire, Europe and the United States is vigorously promote the use of national wire and cable industry, "15" development plan will expand the application of cross-linked wire applications in the main line of development goals. The project in the province is in the initial stage.


2. Environmental protection cable (with flame retardant ecological material cable, also known as EM cable)

From a technical point of view, environmentally friendly cable is a higher stage of wire and cable products, in line with the trend of the times and development trends, once the advent of the widespread attention, Europe, the United States, Japan and other developed countries have developed a series of product production and application standards, Vigorously promote the application. Environmentally friendly cable is characterized by:


a halogen-free, combustion does not produce harmful gases and corrosive gases;


b burning less smoke;


c with the current polyolefin cable the same flame retardant properties;


d does not contain lead and other heavy metals, does not contain environmental hormones, do not pollute the soil;


e can be reused.


3. Nylon sheathed wire (such as model BVN)

International traditional building wiring with electric wire is divided into two categories: one type of PVC wire, mainly Europe, Japan, Australia, etc .; the other to the United States, North America as the representative, mainly using polyvinyl chloride insulation nylon Sheathed wire. It should be noted that the US nylon jacket wire application is from the development of PVC wire, evolved, has nearly 40 years of history, a few years ago the market share of up to 90%. Nylon has a soft armor, said, compared with the PVC wire, mechanical properties, heat resistance, chemical stability, tensile, wear resistance outstanding;

XLPE3.png

4. Prefabricated branch cable

Prefabricated branch cable developed by Japan, the mid-1990s began to introduce China. Just a few years, some domestic manufacturers have mastered and solved the relevant key technologies and manufacturing processes, product performance and quality has reached international standards, and in the construction has been widely used. Compared with the plug-in busbar, the insulation, waterproof, seismic, branch reliability and economic index of the prefabricated branch cable are very prominent, especially for the trunk-type power distribution system with stable load, and the application prospect of construction is very broad.

Tags:
INQUIRY
主站蜘蛛池模板: 国产一级淫免费播放m | 免费a片在线网站大全 | 伊人网综合视频 | 国产伦精品久久久一区二区三区 | 少妇挑战三个黑人惨叫4p国语 | 人人爽久久涩噜噜噜丁香 | 欧美日韩一区精品 | 永久免费在线 | 人人爽人人人爽人人爽av | 欧美3p两根一起进高清免费视频 | 亚洲夜夜骑 | 日韩—二三区免费观看av | 欧美综合自拍亚洲 | 草久在线观看 | 欧美午夜无码大片免费看 | 四虎成人精品国产永久免费 | 白嫩无码人妻丰满熟妇啪啪区百度 | 大乳三级a做爰大乳视频 | 国产一区二区三区不卡在线 | 久久久国产精华液 | 国产美女被遭强高潮免费 | 亚洲无亚洲人成网站77777 | 亚洲一区二区三区视频播放 | 女人第一次久久久www | 91桃色视频在线观看 | 国产69精品久久久久乱码韩国 | 色天使久久综合网天天 | 911日本亚洲精品 | 欧美性淫爽ww久久久久无 | 久久久久人妻精品一区蜜桃 | 欧美二区精品 | 久久久久亚洲AV无码永不 | 人人干人人搞 | 一本色道久久综合狠狠躁的推荐 | 国产ww久久久久久久久久 | 毛片毛片毛片毛片毛片 | 日韩美女在线观看 | 欧美日韩在线资源 | 久久久国产成人一区二区 | 色综合视频一区二区三区高清 | 裸体美女无遮挡免费网站 |