Abrasion resistance refers to the degree of damage caused by clothing rubbing with foreign objects (or fabrics and fabrics) during wearing.
Abrasion resistance includes three types: flat wear resistance, folding edge wear resistance and bending resistance wear resistance, which simulate the abrasion of different parts of the garment. It is generally expressed as the number of times the sample is repeatedly worn by the friction, or the degree of change in appearance, strength, thickness, weight, etc., after a certain number of grindings.
The abrasion resistance of the fabric is related to the type of fiber used, the yarn structure, the organization structure, and the fabric density. Under the same density conditions, satin fabrics with less interweaving points are less wear resistant than plain fabrics with more interweaving points. The wear resistance of the fiber is poor, and the wear resistance of the fabric is not good. For example, the wear resistance of cotton and viscose fiber is poor, and the fabric is not as good as the wear-resistant polyester and nylon fabric. Therefore, two or more fibers are often blended to make up for their deficiencies and improve the practical value of the fabric.
Second, the fabric of the sewing strength and seamability
Whether the clothing is durable or not depends on the sewing strength of the fabric. The sewing strength depends on the strength of the thread, the type of stitching, the density of the stitching, the tightness of the stitched fabric, and the smoothness of the surface of the fabric. The unidirectional or multi-directional external forces, whether parallel or perpendicular to the seam, can cause breakage of the sewing thread, breakage of the yarn inside the stitched fabric, or slipping of the yarn inside the stitched fabric to cause cracks in the seam. Generally, the density of the stitching is large, that is, the number of stitches per unit length is large, and the sewing intensity is high; but if the density is too large, the sewing strength may also be affected.
Fabrics need to be sewn when they are made into finished products. This involves the problems of smooth stitching, whether the sewing material (including fabrics and sewing threads) is damaged during sewing, and whether the surface of the stitched fabric is wrinkled. These problems are reflected in the fabrics. Sewability. The seamability of a fabric refers to the ease of sewing processing determined by the structure and characteristics of the fabric, using appropriate sewing threads and sewing needles under certain sewing conditions. The seamability of the fabric is generally measured from the following three aspects.
(1) Is it easy to sew and suitable for high-speed sewing. This depends not only on the size of the resistance when the needle penetrates into the fabric, but also on whether the increased needle temperature during high-speed sewing will cause the sewn synthetic fabric and the synthetic sewing thread used to melt; whether it will cause the destruction of other sewn fabrics. .
(2) Wrinkle fabric after sewing. There are three kinds of wrinkling after general fabric sewing:
1. Wrinkle naturally after sewing.
2. Wrinkles after sewing are not obvious or slightly wrinkled. After being ironed and pressed, they will disappear, but they will reappear after being washed.
3, due to the size of the fabric is not stable, wrinkling occurs after sewing and wearing.
(3) Whether the yarn inside the fabric will be cut when sewing.
It can be seen that the seamability of the fabric is related to the thickness, structure, tightness, bending stiffness, compressibility, dimensional stability of the seamed fabric, as well as the thickness, stiffness, elongation, dimensional stability and other factors of the sewing thread. And sewing conditions, such as sewing, sewing methods, stitch density and so on.
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