Polyester sewing thread quality and application

Release time:

2024-05-10 14:39

The comprehensive index for evaluating the quality of sewing thread is sewability. Seamability indicates that under the specified conditions, the sewing thread can sew smoothly and form a good seam, and maintain certain mechanical properties in the seam. The advantages and disadvantages of sewability will have a direct impact on the production efficiency, sewing quality and the performance of clothing. According to the national standard, the grade of sewing threads is divided into first grade, second grade and extra grade. In order to make the sewing thread in the garment processing in the best sewability, sewing effect is satisfactory, the correct selection and application of sewing thread is very important. The correct application of sewing thread should follow the following principles:
(1) with the fabric characteristics of the matching: sewing thread and fabric raw materials are the same or similar, in order to ensure its shrinkage, heat resistance, wear resistance, durability and other uniformity, to avoid the line, the difference between the fabric and caused by the appearance of wrinkles.
(2) consistent with the type of clothing: for special-purpose clothing, should be considered a special function of the sewing thread, such as elastic clothing need to use elastic sewing thread, firefighting clothing need to be used by the heat-resistant, flame-retardant and waterproof treatment of the sewing thread.
(3) and stitch form coordination: different parts of the clothing used in different stitch, sewing thread should be changed with it, such as overlocked seams need to use puffy line or deformation line, double line stitch should be chosen to extend the line, crotch seams, shoulder seams, the line should be firm, while the buttonhole line needs to be abrasion-resistant.
(4) and quality and price unity: the quality and price of sewing thread should be unified with the grade of the garment, high-grade clothing with good quality, high price of sewing thread, medium and low-grade clothing with general quality, moderate price of sewing thread.
Generally, the sewing thread label is labeled with the grade of the thread, the raw material used, the fineness of the yarn, etc., which helps us to choose and use the sewing thread reasonably. Sewing thread labels usually include four items (in order): yarn thickness, color, raw materials, processing methods.

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