Warp density: The length direction of the fabric; the yarn is referred to as warp yarn; the number of aligned yarns within 1 inch is dense (warp density);
Weft density: The width direction of the fabric; the yarn is referred to as a weft yarn, and the number of aligned yarns within 1 inch is weft density (weft density);
Density: It is used to indicate the number of yarns per unit length of the woven fabric, generally the number of yarns within 1 inch or 10 cm.
The national standard stipulates that the number of yarns within 10 cm is used to indicate the density; Width: The effective width of the fabric is generally expressed in inches or centimeters.
Commonly, there are 36 inches, 44 inches, 56-60 inches, etc., which are called narrow, medium and wide, respectively, and fabrics above 60 inches are extra wide. Width, commonly referred to as wide-width cloth;
Gram weight: The weight of the fabric is generally the weight of the square fabric weight. The weight is an important technical index of the knitted fabric.
The woollen wool usually also takes the weight as an important technical index.
The 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, and the like.