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  • High quality acid dyes for paper industry

    Acid dyes are a class of dyes dyed in an acid medium. Most acid dyes contain sulfonic acid groups and a few contain carboxyl groups. According to different structures, it can be divided into azo dyes, anthraquinone dyes, triarylmethane dyes and nitro dyes. According to the different dyeing meth...
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  • Basic dyes paper dyes manufacturer

    Basic dyes are a type of dyes that can directly dissociate to form cations or form salts with acids in aqueous solution. They are generally organic compounds with amino basic groups. Basic dyes are soluble in water and have strong tinting power, easy to color fibers, and are bright in color. They...
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  • High quality direct paper dyes used for paper industry

    In the paper production process, some color materials are often used to make the paper have the desired color. I n order to obtain the paper in desired color, dyes are usually need to add to the pulp or applied to the surface of the paper. This process is called dyeing or toning. Today we will i...
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  • Which kind of colorant can be used for dyeing paper?

    Paper Colorants are divided into three categories: pigments, dyes, and fluorescent whitening agents. Pigments are colored substances that are insoluble in water. They are actually a finely ground and well-dispersed colored filler. They have no affinity with fibers and are colored by paper. The ...
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  • High quality liquid paper dyes for kraft paper board industry

    Liquid paper dyes, produced by Cangzhou Xincheng Weiye Chemical Co., Ltd, have good dyeing effects on wood pulp fibers and lignin. The cationic dyes used for dyeing the surface layer are mainly brown and yellow. Most paper mills only need to use one kind of brown. To meet the dyeing requirement...
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  • Strongly recommend using liquid sulphur black for denim dyeing !

    Sulphur black BR has high washing fastness and strong applicability. Although the rubbing fastness and vividness are not as good as reactive dyes, their color fastness and light fastness are better than reactive dyes. Sulphur black dyes use less salt and consume less water when dyeing. 1. The adv...
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  • Urgent! The “control” of the Winter Olympics is coming! Suspension of production until March 2022!

    As the pace of the Winter Olympics gets closer, everyone pays attention to the connection and influence with their own production and life while paying attention to the progress of the event. It has recently been reported on the Internet that Beijing will host two important Olympic events in earl...
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  • Kraft paper dyes professinal manufacturer

    Kraft paper has now been widely used, and its application range also involves almost all industries we can think. It is especially widely used in packaging such as food, beverage packaging and other industries. According to different colors, kraft paper can be divided into: primary color kraft p...
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  • Paper dyes supplier tell you factors effect paper dyeing

    (1) The influence of fiber raw materials and ratio Commonly used domestic flour pulp is unbleached KP softwood pulp or non-wood fiber semi-chemical pulp. The pulp produced by different varieties, different production areas, and different process methods have color differences. The stability of th...
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  • Paper powder dyes and liquid paper dyes factory in China

    The domestic papermaking dyes market has two categories: solid and liquid dyes. The dyeing process of solid dyes adopts the intermittent method, which is added at the beater or mixing tank. This method of adding is easy to produce color spots. Liquid dyes can be continuously added to the high-l...
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  • Which dyes can be used for kraft cardboard paper dyeing?

    There are mainly two types of dyes used for kraft cardboard paper in the market: one is powder basic dyes; The other is liquid direct dyes: anionic direct dyes and cationic direct dyes. Item Cationic direct dyes Anionic direct dyes Basic dyes Affinity with fiber It has good affinity with ch...
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  • Ink dyes manufacturer introduce dye ink and pigment ink

    As we all know, the printers we use every day can be roughly divided into two categories: laser printers and inkjet printers. Among them, inkjet printers are different from laser printers. They are not only capable of printing documents, but also good at printing color pictures. Because of its ...
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