News

  • Why use black paper dye to dye black cardboard?

    Black cardboard has wide applications: suitable for albums, photo frames, backboards, gift boxes, jewelry boxes, mobile phone boxes, shoe boxes, stationery, clothing tags, notebooks, desk calendars, handbag and speaker box electronic gaskets and other crafts packaging.   But do you know which kin...
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  • Black paper liquid dye manufacturer talking about the necessity of dyestuff stock

    1. Black paper liquid dye have become the main factors affecting the cost of printing and dyeing enterprises. Dyes, auxiliaries, water, electricity, steam and labor are the main variable costs of printing and dyeing enterprises. Throughout these years, the price of auxiliaries is relatively stabl...
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  • What is black paper dye? Where to buy good quality black paper dye?

    Each dye has its advantages and disadvantages. Water-soluble direct dyes have been widely used in papermaking industry. Pigments are often used in colored coated paper. Dyes and paper fibers are bonded by covalent bonds, ionic bonds, coordination bonds, hydrogen bonds and intermolecular forces. T...
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  • Liquid Black Dye manufacturer attend COLOR CHEM EXPO hold in Lahore, Pakistan

    In the period of 2015-2018, the Pakistani Punjab Chemical Products and Dyes Business Association (PCDMA) and the Pakistani International Exhibition and Conference Co., Ltd. (CEIT) successfully jointly organized the fourth session of the Blegge Exhibition with the General Agent of China. In 2019, ...
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  • The chemical performance of basic rhodamine B

    As a powder dyestuff, Basic Rhodamine B has high solubility in water and bright color after dissolution. It is suitable for the demand of red dyestuff for paper line. There are many kinds of dyes used in papermaking. Different dyes have different effects. Basic Rhodamine B is widely used in paper...
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  • What is basic Rhodamine B? What’s the application?

    Since Cangzhou Xincheng Weiye Chemical Co.,Ltd Service Platform was officially launched, the inquiries of customers has become more and more. Taking basic Rhodamine B as an example, from product definition and use, to processing technology, to purchase and use, all aspects of products have been c...
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  • What is the difference between Sulphur Black BR and sodium sulfide?

    Sulphur Black BR is also called vulcanizate or green sulfide. It is the most consumed sulfur dyes. The dye Sulphur Black BR has appearance of shinning black cristal or black power. It is not soluble in water. Soluble in sodium sulfide solution to form a dark green leuco. Soluble in hot concentrat...
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  • Why does the fabric dyed with sulphur black br have problem?

    Sulphur Black BR and indigo blue granulars are playing important role during cotton textile, especially dyeing denim or jeans. Sulphur Black BR has features of low purchasing cost, easy operation and high dyeing speed. As a result, more and more dyeing plant prefer to buy Sulphur Black BR in bulk...
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  • Where to buy malachite green crystal? What should be care when buying?

    Malachite green crystal is playing an important role in the coloration of textile, wood, paper and water treatment. Then where to buy malachite green crystal? Here we’d like to introduce Cangzhou Xincheng Weiye Chemical Company, which has established for over 25 years and export malachite g...
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  • How about the dyeing effect of basic rhodamine b? Where to buy rhodamine b?

    Because of the good dyeing effect and fast dyeing speed of Basic Rhodamine B , many friends will try their best to inquire about this dye in their life and work. Users find that Basic Rhodamine B is not only one color, but also can use chromatogram to change the color in the dyeing process, which...
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  • Dyeing and production of sulphur black dyes

    Sulphur Black dyes are insoluble in water. Sodium sulfide or other reductants are used to reduce the dyes to soluble leuco. Sulphur Black has affinity to the fibers, and after dyeing then oxidizes to restore their insoluble state and fix them on the fibers. So sulphur dyes are also a kind of VAT...
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  • There are a lot of refractory dyes and toxic substances in sulphur black wastewater.

    As we all know, sulphur black dye is an important sulphur dyes for textile especially for denim or jeans yarn dyeing. As the sulhpur black has advantages of low purchasing cost and easy operation, more and more users prefer to buy in bulk quantity. However, the dyeing wastewater contains more res...
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