Le tricot de fil de polyester est une sorte de tissu de fibre chimique.

Polyester Yarn Purchasing Construction

Polyester yarn is the largest and most widely used synthetic fiber yarn in the world. 

Polyester yarn accounts for more than 60% of the world's synthetic fiber yarn output. It is widely used in textiles such as clothing, bedding, various decorative fabrics, special fabrics for national defense and military industry, as well as other industrial fibre yarn products, such as filter materials, insulation materials, tire cord, conveyor belt, etc.

1.Look at longitude and latitude

Knitting polyester yarn fabrics include yarn Knitting fabrics and weft Knitting fabrics.Although both of them have been heat-setting or resin treatment, their elongation and other properties are still different.Therefore, weft Knitting fabrics should be selected for different styles of clothing, because weft Knitting fabrics are often Knitting with various colored yarns or medicinal yarns, with various patterns, which are especially suitable for making exquisite women's jackets of different styles; warp Knitting fabrics should be selected for jackets, such as trousers and skirts.Knitting polyester warp Knitting fabrics are suitable for pants and skirts because of their neat appearance, compact structure, good wear resistance, less fuzzing, pilling and crochet, and worse appearance fullness, elasticity and aesthetics than weft Knitting fabrics.

 2.Look at grades 

Knitting polyester yarn are classified into first-class, second-class, third-class and first-class foreign products according to their quality.From all aspects of fabric, the quality of Knitting polyester yarn with first-class goods is naturally superior to that of other grade products.

3.Look at the appearance 

Fabric appearance is closely related to fabric structure.Therefore, when choosing knitting fabrics, we should carefully observe whether the organization is the basic organization or the changing organization, whether the gap between the loops is loose or tight, whether the handle is soft or hard, how the luster, color and pattern of the yarn  ,how the elasticity and elongation of the longitudinal yarn or the horizontal yarn when we pull the fabric with both hands.Whether it is easy to change and so on, in short, we should observe whether the fabric meets the basic requirements of the garment style to achieve the effect of uniform coordination between the appearance of the fabric and the garment style.

4.Look at the flaws 

Knitting polyester yarn fabrics have many appearance defects, serious defects will affect the wearing effect. Such as broken needle, yarn missing, hook wire, broken ends, wire tension and serious weft inclination.Light defects, such as oily yarn, roving yarn, blending yarn, knot knot scar yarn, color fancy yarn, color difference yarn, crimp yarn, bad edge yarn, reflective yarn, etc.Although the fabric with slight defects can be worn, it affects the grade of the fabric. In short, when choosing knitting polyester yarn fabric, the fewer defects on the fabric, the better.Except for other products, there can be no serious defects affecting the wearing.

In addition, if consumers choose knitting polyester yarn coats, they should also observe the quality of sewing. Whether the yarn is strong or not, whether the stitching is fine or not, whether the needle eye is too large, generally speaking, 11 needle should be used to sew knitting polyester yarn coat.If the needle is too thick, it will easily destroy the coil and produce needle holes, which will affect the quality of knitting polyester yarn coat.