天气炎热时,人们出汗比较多,身上穿的衬衣、汗衫等,常常被汗水浸湿。等到汗水干了之后,衣服上就出现一片黄色汗渍。汗渍不仅难于洗掉,而且会破坏织物纤维,使衣服失去韧性,老化发脆。衣服上汗渍最多的地方首先开始破烂,缩短穿用寿命,这是因为汗水里含有多种盐类和低级的游离脂酸、象丁酸、脂肪酸、尿酸、肌酸等,都对织物有破坏作用。 When the weather is hot, people sweat more, who wear shirts, undershirts, etc., are often soaked in sweat. Wait until the sweat dry, the clothes appeared on a yellow perspiration. Sweat stains are not only difficult to wash away, but also damage the fabric fibers, so that clothes lose their tenacity, aging brittle. Sweat stains on clothes first began to junk, shorten wear life, this is because sweat contains a variety of salts and low levels of free fatty acids, such as butyric acid, fatty acids, uric acid, creatine, etc., have a damaging effect on the fabric .