成人在线免费观看,精品人伦一区二区三区,中文字幕亚洲欧美,日本三级在线,国产?日韩?欧美?中文?在线播放,伊人春色网站,亚洲天堂一区,日韩高清中文字幕

What are the factors that affect the strength of polypropylene high-strength yarn?

The strength of polypropylene high-strength yarn affects the application of polypropylene high-strength yarn. The greater the strength, the wider the application range of polypropylene high-strength yarn. This article mainly discusses the main factors that affect the strength of polypropylene high-strength yarns, such as the melt index of the raw material, the stretching speed and the stretching speed.

Through experiments, it is found that under exactly the same process conditions, the melt index of the raw materials is different, and the strength of the finished polypropylene high-strength yarn is different, and shows a certain regularity. Under the same spinning temperature, the same draw ratio and the same process parameters, the lower the melt index of the polypropylene chip, the higher the strength of the polypropylene high-strength yarn.

As the draw ratio increases, the strength of the fiber increases, and the draw ratio makes a greater contribution to the strength of the fiber.

Different drawing speed means different spinning speed, the strength of its polypropylene high-strength yarn is different, and it decreases with the increase of drawing speed.

In summary, the draw ratio has a greater contribution to the strength of polypropylene high-strength yarns.

Taixing Hongyang New Material Technology Co., Ltd. has a professional R&D and production team, introduces advanced technology and equipment, and is committed to producing high-quality polypropylene high-strength yarns, polypropylene air-changing yarns, polyester air-changing yarns, webbing and other products! The company is still growing, and we look forward to working with you for a win-win cooperation!

If you want to know more product information, please contact: Liu Xuelian 18914408040 Website: http://www.lnxnc.cn/