What are the advantages and disadvantages of woven fabrics? Woven fabrics are made by weaving yarns together on a loom using a shuttle, with the yarns interlacing in the warp and weft directions. Structurally, these fabrics have a clear distinction between warp and weft. Common weave types include plain weave, twill weave, and satin weave, as well as variations thereof. Woven fabrics come in a wide variety, and based on their composition, they can be categorized into cotton fabrics, silk fabrics, wool fabrics, linen fabrics, synthetic fiber fabrics, and blended and interwoven fabrics. They are widely used in garment manufacturing, holding a leading position in both variety and production volume.

Classification and Causes of Neps in Yarn Neps are a crucial indicator of yarn quality. Technical requirements for cotton yarn grades specify not only the total number of neps and impurities per gram of yarn, but also the specific number of neps. The amount of neps affects not only the appearance quality of the yarn and fabric, but also the yarn structure, evenness, and yarn breakage rate.

Shrinkage Rates of Common Textile Fabrics and Influencing Factors Shrinkage is a phenomenon where textiles change in length or width after washing, dehydration, and drying. The degree of shrinkage involves different types of fibers, fabric structure, and the external forces applied during fabric processing. "Synthetic fibers and blended fabrics have the lowest shrinkage rates, followed by wool, linen, and cotton fabrics in the middle. Silk fabrics shrink significantly, while viscose, rayon, and artificial wool fabrics shrink the most."

Differences between Pre-shrinking, Washing, and Sand Washing I. Pre-shrinking Pre-shrinking is a finishing process that uses physical methods to reduce fabric shrinkage after soaking in water, also known as mechanical pre-shrinking. Pre-shrinking primarily controls the warp shrinkage rate of the fabric. Before pre-shrinking, the warp shrinkage rate is generally 7-8%. After pre-shrinking, the warp shrinkage rate is typically required to meet the national standard of 3% or the US standard of 3%. Due to different drying methods, the US standard requirement is higher; 3% in the US standard is equivalent to 1% in the national standard.

The Influence of Various Spinning Methods on Yarn Properties 1. Physical Properties of Short Fibers Different short fiber spinning processes have varying effects on the physical properties and appearance of yarns, and even on the characteristics of the final product. (1) Different spinning methods affect yarn structure. The structure of short fiber yarn differs from that of filament yarn, primarily in the arrangement of fibers both externally and internally. External structure includes the yarn's appearance and surface texture, such as fiber arrangement on the yarn surface, yarn hairiness, coefficient of friction, yarn properties, abrasion resistance, and other surface characteristics.

Woven fabrics, knitted fabrics, and other types of fabrics undergo certain deformations in their original width, length, and other aspects due to the effects of moisture, heat, tension, and other processes such as pre-treatment, dyeing, or printing.