一, Definition of cotton: clothing or supplies containing 95% to 100% cotton. Pure cotton: clothing or articles containing about 75% cotton.
   二,classification plain weave weave: plain cloth, poplin, hemp, youth cloth, glass gauze twill weave weave fabric: twill, khaki, serge, gabardine satin weave weave weave: horizontal satin weave weave weave: velvet weave weave weave: corduroy weave weave weave: gauze
   ① Natural white cloth: ordinary cloth, muslin, coarse cloth, canvas, grey twill cloth, original color cloth.
   ② Color cloth: sulfurized blue cloth, sulfurized ink cloth, Shilin blue cloth, Shilin grey cloth, color poplin, various colors of khaki, various colors of Chinese cloth.
   ③ Floral cloth: is printed on a variety of colors and patterns of cloth. Such as: plain print, printed twill, printed serge, printed tribute.
   (4) yarn-dyed fabric: It is the yarn or thread dyed first, and then woven on the machine into cloth such as cloth, sheet cloth, flannelette, thread cloth, decorative cloth and so on.
   三, washing and maintenance
  1. Cotton fabric has strong alkaline resistance, no acid resistance, good high temperature resistance, various detergents can be used, but try not to use laundry detergent, better transparent soap or soap powder, soap paste. First use warm water to remove the washing, and then put the clothes into the soak after cooling. Not suitable for chlorine bleaching;
  2, colored clothes before washing, can be soaked in water for a few minutes, but not too long, so as not to damage the color;
  3, white clothes can be washed at high temperature with strong alkaline detergent, which has a bleaching effect;
  4, underwear can not be soaked in hot water, so as not to make the protein in the sweat coagulate and adhere to the clothing, resulting in yellow spots;
  5, knitwear is better not machine washing;
  6, different colors of cotton woven clothes should be washed separately; 7, do not use the washboard or brush rub brush;
  8. When rinsing, you can master the method of "a small number of times", that is, each clean water rinse does not necessarily use a lot of water; But wash it more often. After each washing, it should be wrung out and then washed for the first time to improve the washing efficiency;
  9, should be dry, should be in a ventilated and cool place clothes, avoid exposure in strong sunlight, so as not to color fabric fade, inside the outside drying;
10, pay attention to ventilation, avoid humidity, so as not to mold; 11, underwear can not be soaked in hot water, so as to avoid yellow sweat spots;
12, knitwear is better not machine washing, can not be forcibly wrung out, knitwear can not be forcibly weft pull.