欧美一区二区黄色片_狠狠色丁香久久婷婷综合五月_河北彩花av无删减在线观看_吃奶摸下激烈叫床视频_《美国式禁忌》02_亚洲精品999_国产女人夜夜春夜夜爽免费_希岛爱理av免费一区二区_91精品情国产情侣高潮对白文档 _国产精品久久久久久久久久

C.I.NO: Direct Blue 86

Alias: C.I. 74180; C.I. Acid Blue 87; C.I. Direct Blue 86; C.I. Direct Blue 86 (6CI); CI 74180; Lionol blue GS; Lionel blue GS; Direct blue 86; Direct Blue 86; Direct Fast Turquoise Blue GL

Physical and chemical properties: blue uniform powder. It is a lake blue solution when soluble in water, and the solubility is 40g/L (60℃), 80g/L (97℃). It will be reddish green when encountering concentrated sulfuric acid, and it will be greenish blue after dilution with green precipitation. Dyeing cellulosic fiber fabrics has poor dye exhaustion. Slightly sensitive to hard water.

Main Uses: Mainly used for the dyeing and printing of viscose fabrics, and also for the dyeing of viscose fabrics, cotton knitted fabrics and skeins, and viscose skeins. It is not easy to stain dark. After dyeing, it must be treated with fixing agent Y immediately to prevent dye migration from causing stains. It can also be used for dyeing silk fabrics. It can also be used to dye leather and paper, and it can also be used to make peacock blue lake pigment.