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Direct Dyes Manufacturers
Direct dyes are dyes that can be heated and boiled in neutral and weak acid media without the aid of mordants
Direct dyes are classified according to their application: there are common direct dyes, direct lightfast dyes and direct azo dyes. Direct dye yellow R is a common direct dye.
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Direct Yellow 12
Direct Yellow 12 is a kind of direct dye. Direct Yellow 12 can be directly dissolved in water and has high directness to cellulose fibers. It does not require the use of chemical methods to color fibers and other materials. Direct Yellow 12 can color wool and silk in weak acid or neutral solution, and can also be used for dyeing cotton, linen, rayon, and rayon. The disadvantage is that the washing and light fastness is not ideal.
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Direct Yellow G
Direct Yellow G is an orange powder, which is diazotized by DSD acid and coupled with two molecules of phenol, and then converted to ethoxy groups on the phenol by ethyl chloride. Produced by Milestone Industrial Co. Ltd Direct Yellow G can be used to dye cotton, linen, viscose, rayon and other fiber fabrics with stable performance.
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Direct Blue B6
Direct Blue B6 is a dark blue powder, which is turbid to navy blue when dissolved in water. Direct Blue B6 is slightly soluble in ethanol and cellosolve, but insoluble in other organic solvents. It is a kind of direct dye. Direct dyes are dyes that can be heated and boiled in neutral and weak bond phase media without the help of mordants. They are dyed by virtue of the hydrogen bond and van der Waals force between the direct dye and cotton fiber. The main application is It is used in fiber, silk, cotton spinning, leather and other industries, as well as in papermaking and other industries.
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Direct Blue 2B
Direct Blue 2B is a blue powder, a direct dye soluble in water. Direct Blue 2B is reddish green when exposed to concentrated sulfuric acid. After dilution, it becomes greenish blue with green precipitation. It dyes cellulose fiber fabrics, has poor dye exhaustion and is slightly sensitive to hard water. Milestone Industrial Co. Ltd. is a manufacturer specializing in the production of dyes. The normal Direct Blue 2B has stable performance and excellent dyeing effect, which is well received by users.
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CAS NO. 3441-14-3
Milestone Industrial Co. Ltd. specializes in the production of direct dyes for more than 20 years. It has professional technical departments and quality supervision departments, well-equipped laboratories, and advanced testing equipment. The direct dyes produced have a wide range of applications; among them, Direct red is produced 23 CAS NO. 3441-14-3, has applications in fiber, silk, cotton spinning, leather and other industries, with stable performance.
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Direct Scarlet 4BS
Direct dyes are formed by the combination of hydrogen bonds and van der Waals forces between direct dyes and cotton fibers. They are mainly used in fiber, silk, cotton spinning, leather and other industries; Direct Scarlet 4BS is a kind of direct dyes and has a wide range of applications. MST specializes in the production of direct dye factories, which can produce Direct Scarlet 4BS of different strengths according to customer requirements.
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