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  • What is Basic Rhodamine B? How to make basic rhodamine B color better?

    In the field of printing and dyeing, the use of basic rhodamine B is very common. Compared with ordinary dyes, the advantage of basic rhodamine B lies in its strong coloring power, but in the process of practical application, there are also problems of uneven dyeing. In order to ensure the smooth...
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  • What is sulphur black? How about the strength and color shade?

    Sulphur black, also known as sulfur black, is hydrolyzed from 2,4-dinitrochlorobenzene to dinitrophenol sodium, and then vulcanized with sodium polysulfide solution. Due to the different specifications of the product, there are many varieties. For example, sulphur black BR, sulphur black B, wate...
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  • Sulphur Black Used for Denim Mill with Quality 200%

    In the current denim production plant, the most widely used dye is indigo blue, second one is sulphur black. According to the prediction of relevant experts, in the near future, black will become another popular trend among jeans. With the application of special production technology (such as mer...
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  • What is the general properties of basic malachite green? Where to buy malachite green crystal?

    In the fields of chemical industry, textile industry and clothing industry, basic malachite green dye is a kind of commonly used dye and pigment. Compared with other dyes, basic malachite green has the advantages of safety, non toxicity, good use effect and low use cost. However, in order to play...
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  • How to use sulphur black dye cotton?

    Sulphur Black is mainly used in cotton textile dyeing.Here we mainly introduces the dyeing process of sulphur black dyes. Dyeing process of sulfur black dye I. Properties of several dye auxiliaries 1. Sodium sulfide It is a kind of alkali agent with strong reducibility. In the dyeing process, it ...
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  • What kind of dyes can be used for leather dyeing?

    As a kind of clothing material, leather has many colors. But how do these colors get dyed? Are you also interested in leather dyes? Leather dyeing mainly uses water-soluble leather dyes. There are several kinds as below. Acid leather dye Acid dyeing is carried out in acid bath, and acid is often...
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  • How does cationic dyes work? What can cationic dyes include?

    Cationic dyes are special dye for acrylic fiber dyeing. The dyeing method is to use acetic acid and sodium acetate as buffers in bathtub with weak acidity (pH value is about 4.5). In the presence of dielectrics and appropriate auxiliaries, it is close to boiling dyeing. The dyeing mechanism can b...
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  • How to improve the light fastness of basic rhodamine B?

    Light fastness refers to the ability of dye color to resist light irradiation. It has a great relationship with dye structure, dyeing concentration, fiber type, external conditions, etc. How can we improve the light fastness of basic rhodamine B when we use basic rhodamine B for dyeing? In order ...
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  • What is Cationic dyes? Where to buy best quality Cationic Dyes?

    Cationic dyes are special dye for polyacrylonitrile fiber dyeing, and it can also be used for modified polyester (CDP) dyeing. Today, I will share the basic knowledge of cationic dyes. Cationic dyes are one of the earliest synthetic dyes. In 1856, aniline violet synthesized by W.H. Perkin in the ...
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  • New Year Holiday is coming, Sulphur black production more tight, Order Now !

    Sulphur black dye is insoluble in water, so sulphur dye itself has no dyeing ability to cotton. However, it has good dyeing performance for cotton when sulphur black is reduced to Cryptochrome in the aqueous solution of sodium sulfide (Na2S). So the dyeing of sulphur black should be carried out...
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  • Basic Rhodamine B price Reduced? Buy Rhodamine B Now!

    Basic rhodamine B is a kind of powder basic dyes, which is widely used for paper making, incense stick dyeing, even cosmetics making.  Rhodamine B has appearance of shinning fluffy green powder. The higher the quality is, the deeper the color it will be. In recent three years, due to China enviro...
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  • What is the reason for the uneven dyeing of basic rhodamine b?

    Friends who have known about basic rhodamine b should be very impressed by it. The color of basic rhodamine b is very bright. It is a kind of bright pink product. Because of its strong coloring ability, it has been widely used in many fields. However, when basic rhodamine b is used in papermaking...
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