日韩成人片-92看片-亚洲欧美另类在线-熊猫成人网-美女搞黄-18动漫-一级全黄60分钟免费看-国产视频a-涩涩导航-亚洲精品播放-久久久精品久久-东京热毛片-超碰手机在线-国产一区二区免费看-在线伊人网-久久精品久-性生生活大片免费看视频-久久国内视频-欧美女优在线观看-鲁鲁在线-男人的天堂2019-九九精品免费-免费在线成人av-九九九九热-天天爽天天做-蜜桃一区二区三区四区-国产99免费视频-国产专区一-快色av-日韩视频一区二区在线观看

The dyeing temperature of the regenerative semi-extinction/full extinction/bright section series is 115℃-130℃.

Cations in dye molecules tend to replace sodium ions of sodium sulfonate groups (-SO3NA),

Making the fiber easy to dye, high dyeing rate, and bright color,

At the same time , hygroscopicity  also improved