日韩无码视频一区,国产精品久久久久久久y,亚洲欧洲国产精品,www.91尤物视频.,国产精品欧美亚洲,狠狠v日韩v欧美v,国产精品va无码一区二区,三级国产精品,小13箩利洗澡无码视频免费网站,国产精品二区在线

The problem of chromatic aberration of polypropylene bulk yarn has plagued many people, such as frontline researchers, manufacturers, consumers, etc. Lin Jia has achieved certain results in color difference control through years of textile experience.

Polypropylene bulk yarn is mainly used for carpet weaving, and the slight difference in color of the filament will cause a large amount of color difference in the carpet and user complaints. For this reason, the problem of filament chromatic aberration is the most important issue affecting the sales of filaments. How to avoid the occurrence of filament chromatic aberration? The textile mill filament workshop has been put into production for 20 years, and new causes are constantly discovered. New measures are constantly taken to make the level of chromatic aberration control more The better. Summarized here for future spinning reference.

The color difference of the polypropylene bulk yarn cannot be completely removed, but it can be controlled within a certain range, which is undetectable by the human eye.