1, avoid exposure.
2. The fabric should be kept dry during storage, and the yellowing of the fabric in wet state is much greater than that in dry state.
3. Before storing clothes, clean the stains on clothes as thoroughly as possible. Sweat contains not only water, inorganic salts and urea, but also lactic acid, fatty acids and various amino acids. Uncleaned organic matter remains on clothes. After a long period of oxidation, these small molecules will change chemically on the surface of clothes and turn yellow. Sebum is the same as protein stain.
4. Before clothes are stored, rinse more times when washing clothes to avoid residue of washing products.
5. When storing, do not touch substances containing phenolic antioxidants such as leather and belts; Avoid using kraft paper, brown cardboard, plastic film and heat shrinkable plastic film containing phenolic antioxidants to package and collect clothes.
If you want to clean yellow clothes, different materials and colors of fabrics have different treatment methods, you can refer to the following methods for cleaning:
1. Dissolve it in water with brightening and brightening laundry detergent, dilute and mix it evenly, and put it into clothes for overall cleaning;
If the clothes turn yellow, it still doesn't improve.
soak
(1) Pure white clothes made of pure cotton, linen and polyester: for each half basin of water (about 2 liters), add 1 bottle cap (40 grams) of white clothing stain (600g specification), stir evenly, soak in the clothes for 30 minutes, and rinse off.
* If necessary, the soaking time can be extended appropriately. If the color stain is not removed after 2 hours, take out the clothes, put the white clothes into the basin (add 1 bottle cap to each half basin), stir evenly, put the clothes into the basin and continue to soak, and the cumulative soaking time shall not exceed 6 hours.
(2) White clothes made of colored materials: pour a small amount of water (about 0.5 liter) into the basin, measure the bottle caps with colored stains for colored clothes (600g specification) and 1.5 colored clothes with colored stains (60 g each) into the water, and stir them evenly. Soak in clothes overnight, and then rinse.
* The amount of water should make the clothes just wet, and the net content of colored clothes and collars should increase or decrease according to the amount of water. If there are still stains after soaking for one night, the soaking time can be continued to be extended.
Precautions:
1, white clothes stained mesh is suitable for white cotton, linen, polyester, polyester cotton, cotton and linen fabrics, but not for colored clothes (including white stripes, white plaids, white prints), silk wool, spandex, nylon and other chlorine-free bleached clothes, and do not use the stock solution directly.
2. The stains on colored clothes are not suitable for faded clothes and dry cleaning clothes. Avoid touching metal buttons, zippers, metal ornaments, etc. Avoid direct sunlight on clothes.