Nylon Yarn Raw Material - China Best Yarn Supplier - Salud Yarn
We are a nylon & polyester yarn manufacturer since 2006. The raw materials we use are of AA grade. We have a cooperation with a high-quality material supplier, to make sure our product quality.
We are a nylon & polyester yarn manufacturer since 2006. The raw materials we use are of AA grade. We have a cooperation with a high-quality material supplier, to make sure our product quality.
The dyeing performance and mechanical properties of DTY are related to the post-processing conditions of POY and the quality of POY raw yarn. POY with potential hidden dangers and poor fiber structure cannot be overcome in processing into DTY, and these defects can only be concealed to a minimum. Therefore, to assess the quality of POY in a timely and correct manner, on the one hand, it can adjust the spinning process conditions in time to prevent the generation of POY with a large number of defects, which will affect the quality of the final product DTY; on the other hand, the POY that has formed defects Choose suitable processing conditions during DTY processing, try to conceal the shortcomings of POY, and ensure the quality of finished silk.
POY is a semi-finished product and needs post-processing before it can be used as a finished fiber. Generally, POY is stretched or stretched into smooth filaments or textured yarns, and stretching is thermal stretching at a certain temperature. Therefore, the stress during hot stretching has a great influence on the stability of post-processing and the finished product's properties.
Among the three unevennesses of strength, elongation, and linear density of POY, the most important unevenness affecting product quality is linear density unevenness, followed by strength unevenness and elongation unevenness. Because the fiber with large linear density unevenness, its strength and elongation unevenness tends to increase. It is easy to cause the fluctuation of false twist and false twist tension during DTY processing, which will affect the quality of DTY.
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