Fabric quality assessment method
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Fabric Assessment Testing Textile Fabrics
The method of evaluating fabric quality is to inspect the fabric according to the specified fabric quality requirements or contract requirements and inspection methods. The results are compared to technical standards and the fabric grade is determined. The inspection content includes two aspects: intrinsic quality and appearance quality. Intrinsic quality refers to fabric structure, width, warp and weft density, warp and weft shrinkage, weight per square meter, dye fastness, etc. The intrinsic quality of some fabrics also includes tearing strength, wear resistance, slip resistance of yarns in the fabric, etc. Appearance defects refer to defects that can be observed with the naked eye on the cloth and are caused by raw materials, weaving preparation, weaving, finishing, and printing and dyeing processes. Such as neps, impurities, oily yarn, creases, etc. on cotton fabrics. The existence of appearance defects not only affects the appearance of the fabric, but also affects the durability of the fabric. For gray fabrics, it also affects the normal processing of subsequent processes. Therefore, it is reasonable to consider the grade of fabric based on its intrinsic quality and appearance quality.
The inspection methods of fabrics usually include instrumental inspection and sensory inspection. The feel and gloss of fabrics usually use sensory inspection.
The feel of fabric is an important factor that people use to identify the quality of fabric. Specifically, the psychological response to the feeling of touching the fabric with your hands is different due to the different varieties and quality of the fabrics. The hand feeling effect of the fabrics is also very different.
In addition, people can also use force to stretch, scratch and other movements with their hands, and then through eye observation and hand feeling, they can judge Fabric elasticity, strength, wrinkle resistance and fiber type, etc.
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