Date:2019/3/20 17:53:28 Number of visits:
Cotton ribbon is actually cotton yarn or cotton and cotton type chemical fiber blended yarn woven fabric. The main features are as follows
(1). Microorganism is destructive to cotton fabric. Its expression is in not be able to bear mildew, cotton belt deposit time is too long, can appear change color, peculiar smell wait for a phenomenon.
(2). Cotton belt light resistance, heat resistance in general. In sunlight and the atmosphere the cotton cloth is slowly oxidized, making it less powerful. Long-term high temperature can make damage to cotton, but cotton belt can tolerate 125 ~ 150 ℃ high temperature short processing, temporarily don't have any effect.
(3) cotton belt is alkali or acid resistant. Cotton cloth is very unstable to inorganic acids, even very dilute sulfuric acid will make it damaged, but organic acid weak, almost no damage. Cotton cloth is more alkali resistant, generally dilute alkali in normal temperature on cotton cloth does not occur, but strong alkali effect, cotton cloth strength will decline. Often use 20% lye burning treatment cotton cloth, can get "mercerized" cotton cloth.
(4). Cotton belt hygroscopicity is very strong, shrinkage is also large, the data shows about 4~10%.
