Seventh, how to identify the fabric:
The feel of the fabric is an important part of the quality of the fabric used to identify the fabric. Specifically, the feeling of touching the fabric by hand is psychologically responsive. Because of the different varieties of the fabric, the quality is also different, and the hand feeling effect of the fabric is greatly different. The feel has the following aspects:
1 fabric body is crisp and slack; 2 fabric surface is smooth and rough; 3 fabric soft and hard; 4 fabric thin and thick; 5 fabric cold and warm; 6 fabric is irritating to the skin and less pungent feel. For example: the hand touches the silk textile with a cool feeling; the pure wool fabric has a warm feeling; the fine and smooth hand-made cotton fabric is mostly made of high-count yarn; the rough texture is mostly low-yarn fabric.
In addition, people can also use the role of force, stretching by hand, scratching and other actions, and then through the observation of the eye, the feeling of the hand, can judge the elasticity, strength, wrinkle resistance and fiber type of the fabric. But in general, the feel is the most important means of buying fabrics and clothing.
Eighth, cotton woven fabric
1. Definition: The cotton woven fabric is made of cotton as raw material, through the looms, and the textiles are intertwined by the warp and weft yarns.
2, cotton fabrics are divided into:
1 natural white cloth: ordinary cloth, fine cloth, coarse cloth, canvas, twill grey cloth, primary color cloth.
2 color cloth: there are vulcanized blue cloth, vulcanized ink cloth, Shilin blue cloth, Shilin gray cloth, color poplin, various colors, and various colors.
3 Flower cloth: It is a cloth printed with various colors and patterns. Such as: plain print, printed twill, printed enamel, printed tribute.
4 color woven fabric: It is a fabric that is dyed by yarn or thread, and then woven on the machine, such as woven cloth, quilt cloth, flannel cloth, thread, decorative cloth, and the like.
3, the characteristics of cotton fabric:
1 Hygroscopicity: Cotton fiber has good hygroscopicity. Under normal conditions, the fiber can absorb water into the surrounding atmosphere. Its moisture content is 8-10%, so it contacts human skin and makes people feel soft. Not stiff. If the humidity of the cotton cloth increases and the ambient temperature is high, the water content in the fiber will all evaporate and disperse, so that the fabric maintains a water balance state, which makes people feel comfortable.
2 Moisture retention: Because cotton fiber is a poor conductor of heat and electricity, the heat transfer coefficient is extremely low, and because cotton fiber itself has porosity and high elasticity, a large amount of air can be accumulated between fibers, and air is a poor conductor of heat and electricity. Therefore, pure cotton fiber textiles have good moisture retention, and wearing cotton fabrics makes people feel warm.
3 Heat resistance: The cotton fabric has good heat resistance. When the temperature is below 110 °C, it will only cause the water on the fabric to evaporate without damaging the fiber. Therefore, the cotton fabric is worn at normal temperature, and the fabric is not washed or printed. The effect is thus improved on the washability and durability of the cotton fabric.
4 Alkali resistance: cotton fiber has greater resistance to alkali. Cotton fiber does not break in alkali solution. This property is good for washing after washing, disinfecting impurities, and also for cotton textiles. Dyeing, printing and various processing to produce more new varieties of cotton.
5 Hygiene: Cotton fiber is a natural fiber, its main component is cellulose, and a small amount of waxy substances and nitrogen and pectin. The cotton fabric has been inspected and practiced in many aspects. The fabric is in contact with the skin without any stimulation, no negative effect, long-wearing is beneficial to the human body and has good hygienic performance.