Jeans used to have very simple tissues and colors, and now denim fabrics are becoming fashionable and becoming more colorful. But basically or with indigo and blue black. The main reason is the effect of the blue after washing let people love, and withstand the test of time. Those who have long had mottled Jeans Popular, but are like the wind blown over, so for most of the consumer, to make jeans too fastidious in color, a little Big deal. Indigo is a non - firm color. It has more and more beautiful effect, so it is also the eternal beautiful color of jeans. There are usually adulteration of raw materials and adulterate, adulteration of raw materials mainly refers to the use of relatively inexpensive chemical fiber instead of cotton, and recycled cotton with noil, (equivalent to the regenerated paper in this class) seriously affect the health of human inferior raw materials spun into yarn for weaving denim, dyed, usually on consumption can not tell. For example, now on the market a good quality of the 10 ring spinning slub yarn, usually 23000 yuan / ton up and down, but the recovery of cotton yarn as long as thousands of dollars a ton, the difference between amazing. Stretch fabric in the use of inferior spandex yarn, resulting in a few times after the product does not have any stretch. At the same time, the dye used for yarn dyeing is also very different in price, and the cloth of poor quality is usually dyed with the cheapest dye. Tissue adulteration means that some fabrics look like qualified fabrics, but the tissue is clearly sparse, and the fabric style is far inferior to the qualified product, that is, cutting corners. In addition, cloth of generally poor quality is usually woven from obsolete machines (the price is equivalent to less than 1/10 of the new imported looms) due to equipment limitations Woven cloth, not only a single organization, mainly to popular varieties, and fabric style was very bad, especially many crazy cloth.
