Dehydrated cotton thread
Cotton cotton is chemically treated with fat, which is easier to absorb liquid than ordinary cotton. It is a sanitary product and is also used to make nitrate fibers. Also known as cotton. The original cotton is removed by removing mixed objects, and is made of abandoned, bleaching, washing, drying, and finishing processing. Skin -free cotton should be odorless, odorless, and pigmentation. It has good water absorption. Fiber is soft and slender, white and elastic, easy to layered, no harmful impurities such as acid and alkali, and the quality should meet the technical standards for formulating. Skin -skilled cotton is made of cotton through the process. Because the surface layer does not contain fat, it has good hydrophilic properties, soaked in 75 alcohol to disinfect cotton balls. Cotton, harsh sodium (NAOH, industrial), and water. Tear the cotton open and pick out the impurities that can be seen, such as small stones, dead leaves, etc. Wash cotton with water until the flowing fluid is clear. Put the cotton in an enamel pot, add water until it can be drowned, and then add the NAOH, which is equivalent to 2 % to 5 % of the water weight of the water, and cook for 10 minutes after boiling. Cold, rinse with a lot of water, and rub it about 10 minutes while washing. Dry the washed cotton clean paper. Note that the alkali fluid (NaOH) is strong corrosive, and must wear gloves and plastic waists. It should be washed immediately on the skin. Do not cook too long to avoid polymerization and affect esterization. Pay attention to dust when dry.

Egyptian long velvet cotton yarn
Egyptian cotton, also known as Egyptian cotton, is well -known in the world and is known as "platinum". High temperature and rainy, tropical grasslands, temperate and tropical monsoon areas are suitable for their growth. Due to the advancement of irrigation technology and the improvement of cotton quality, cotton cotton after war is increasingly concentrated in arid areas with irrigation conditions, and cotton production requires a lot of labor, mechanized development is late, cotton flowers are rolled to remove cotton seeds than cotton fabrics. High, these factors have affected the inconsistent distribution of cotton production and consumption in region.