国产又粗又黄又爽的免费视频-国产av超碰碰超爽-国产AV老师丝袜美腿丝袜按摩-欧美中文字幕日韩在线观看-熟女少妇av中文字幕-亚洲成Av成人片乱码色午夜-99视频精品国产在线视频-巨乳人妻在线中文字幕-成人黄色精品一区二区

Polypropylene BCF yarn is a filament material which is made from polypropylene raw material and is polymerized and refined. In recent years, due to the low degree of fiberiness of polypropylene BCF yarn, the sales volume in the market is in short supply, which also causes the factory to press on time. The quality of the quantity is completed.

Because polypropylene filament itself has strong chemical resistance, in addition to strong concentrated nitric acid.

Secondly, due to the unique wicking effect of polypropylene, the principle is that when the human body sweats, it can quickly transfer sweat from the surface of the skin to the outside of the fabric and evaporate, thereby keeping the body dry and comfortable. This property is also known as single-guide wet.

The carpet made of polypropylene BCF yarn is extremely wear-resistant and anti-static. Its hand feels better than wool, and its resilience is also excellent. It is not easy to pilling.