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Pigment And Dyestuff

Product categories of Pigment And Dyestuff, we are specialized manufacturers from China, Pigment And Dyestuff, Reactive Dye suppliers/factory, wholesale high-quality products of Vulcanized Dyestuff R & D and manufacturing, we have the perfect after-sales service and technical support. Look forward to your cooperation!

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  • Yellow Iron Oxide CAS 1309-33-7

    Yellow Iron Oxide CAS 1309-33-7

    • Unit Price: USD 5 / Kilogram

    • Brand: Shenyu

    • Packaging: 25kg/Bag

    • Supply Ability: 2000Ton

    Iron Oxide Yellow CAS 1309 33 7 Yellow Iron Oxide chemical Fe OH 3 a brown or reddish brown powder or a dark brown flocculent precipitate or colloid used to make pigments and drugs used as a water purifying agent colloid and also used as a detoxification agent for arsenic Brown or reddish brown powder or dark brown...

  • Red Ferric oxide Fe2O3 CAS 1309-37-1

    Red Ferric oxide Fe2O3 CAS 1309-37-1

    • Unit Price: USD 950 / Ton

    • Brand: Shenyu

    • Packaging: 25kg/Bag

    • Supply Ability: 2000Ton

    Red Ferric oxide Fe2O3 CAS 1309 37 1 Ferric oxide chemical type Fe2O3 Also known as burning limonite burnt ocher iron Dan iron oxide red powder Venice red mainly iron oxide and so on It is easy to dissolve in strong acid medium strong acid and its appearance is red brown powder Its red brown powder is a kind of low...

China Pigment And Dyestuff Suppliers

Pigment And Dyestuff

Pigment and Dyestuff is a kind of organic compound that can make other substances get bright and strong color. Because the pigments used now are synthetic, they are also called synthetic dyes. Pigment and Dyestuff are usually compounds of their own color, which can give clear and strong colors to other substances in molecular state or dispersion state.

According to the properties of pigment and Dyestuff and its application methods,can be devided to below Several categories:

Direct dye

Such dyes can be directly dyed on cotton, linen, silk, wool and other fibers because they do not depend on other agents. Its dyeing method is simple, chromatography is complete, and the cost is low. However, its fastness to washing and light fastness is poor. If proper post treatment is used, the fastness of dyed products can be improved.

Reactive Dye

Also known as reactive dyes. These dyes are new dyes developed in 50s. Its molecular structure contains one or more active groups. Under suitable conditions, it can react with the fibers to form a covalent bond. It can be used for dyeing cotton, linen, silk, wool, viscose, nylon and vinylon.

Vulcanized Dyestuff

Most of these dyes are insoluble in water and organic solvents, but they can be dissolved in alkali sulfide solution and can be dyed directly after being dissolved. However, it is not suitable for dyeing protein fiber because of its strong alkalinity. These dyes are homogeneous, low in price and good in color fastness, but the color is not bright.

Disperse dyes

This kind of dyestuff is very low in water solubility and fine particles. It is dispersed in the dye and is a nonionic dye. It is mainly used in polyester dyeing and its fastness is high.

Acid Dyestuff

These dyes are water-soluble and contain water-soluble genes such as sulfonic group and carboxyl group. It can directly dye protein fibers in acidic, weak acid or neutral media, but the moisture treatment fastness is poor.


Suitable for all fiber, through resin mechanical attachment fiber, dark color fabric will be hardened, but the color is very accurate, most light fastness, good washing fastness, especially in the medium, light color.

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