Several basic concepts of gray cloth

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Gray fabrics Woven fabrics Functional fabrics Knitted fabrics

1. Warp direction, warp yarn, warp density – the length direction of the fabric; the yarn in this direction is called the warp; within 1 inch The number of yarns arranged is the warp density (warp density);

2. Weft direction, weft yarn, weft yarn density – the width direction of the fabric; the yarn direction The thread is called weft yarn, and the number of yarns arranged within 1 inch is warp density (warp density);

3. Density – used to represent shuttle The number of yarns per unit length of a fabric is generally the number of yarns within 1 inch or 10 centimeters. Chinese standards stipulate that the number of yarns within 10 centimeters is used to indicate density. Textile companies are accustomed to using the number of yarns within 1 inch. number to represent density. For example, the commonly seen “45*45/108*58” means that the warp and weft yarns are 45 respectively, and the warp and weft densities are 108 and 58.

4. Width – the effective width of the fabric, generally expressed in inches or centimeters, the common ones are 36 inches, 44 inches, 56-60 inches And so on, they are called narrow width, medium width and wide width respectively. Fabrics higher than 60 inches are extra wide width and are generally called wide width fabrics. The width of extra wide fabrics in my country today can reach 360 cm. The width is generally marked after the density. For example, if the fabric mentioned in 3 is added with the width, it will be expressed as: “45*45/108*58/60”, which means the width is 60 inches.

5. Gram weight – the gram weight of the fabric is generally the grams of fabric weight per square meter. The gram weight is an important technical indicator of knitted fabrics. Woolen woolen fabrics are usually also Consider gram weight as an important technical indicator. The gram weight of denim fabric is generally expressed in “ounces (OZ)”, which is the number of ounces per square yard of fabric weight, such as 7 ounces, 12 ounces of denim, etc.;

6. Yarn-dyed weaving – called “first-dyed fabric” in Japan, it refers to the process of dyeing yarn or filament first, and then using colored yarn for weaving. This kind of fabric is called “dyed fabric”, and the factory that produces yarn-dyed fabric is generally called a dyeing and weaving factory. For example, denim and most shirt fabrics are dyed fabric.

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