Acid Dyestuff Manufacturers

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We mainly produce acid dyes and dye intermediates, and we are a professional manufacturer of anthraquinone acid dyes in China.

Custom Acid Dyestuff

Acid dyes contain acid groups in their dye molecules, Also called anionic dyes, in neutral, acidic, or weak acid conditions, can be ionically bound to the amino group in the protein fiber molecule. Most acid dyes are anthraquinone and azo structures, and the minority are aromatic methane structures. Dyes and pigments are generally self-color compounds. In dispersed or molecular states, other substances can have vivid and solid colors through dyes. It can be used for printing and dyeing silk, wool, and other polyamide fibers and protein fibers. It can also be used for coloring of ink, leather, cosmetics, papermaking, and food coloring. Acid dyes have bright colors with a complete color spectrum. Its wet treatment fastness and light fastness vary greatly with different varieties.


Hangzhou Tianya Industry Co., Ltd.

Hangzhou Tianya Industry Co., Ltd. is a China Acid Dyestuff Manufacturers and Custom Acid Dyestuff Suppliers. We are an enterprise dedicated to the research, development, production, and sale of fine chemical products, mainly specializing in the manufacture of acid dyes and dye intermediates. As one of the major manufacturers of acidic anthraquinone dyes in China, Tianya has always adhered to the concept of innovative development, constantly innovating and paying attention to standardized production and quality control of products. Our products are mainly exported to Japan, Spain, Italy, the United Kingdom, South Korea, the Netherlands, Thailand, Mexico, and dozens of other countries. In addition, Tianya has established cooperative relations with internationally renowned chemical companies, including the top 100 chemical companies in the world. Tianya has become an important supplier to these companies in the field of acid dyes in China.



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Acid Dyestuff Industry knowledge

What are the colorfastness and durability residences of acid dyestuffs? 

Acid dyestuffs are recognized for his or her outstanding colorfastness and durability houses, making them popular for a wide variety of applications. Here are some key factors about the colorfastness and sturdiness of acid dyestuffs:
1. Colorfastness to Light: Acid dyestuffs usually show off proper colorfastness to mild. This way that they're proof against fading or discoloration when uncovered to daylight or artificial light resources. However, the quantity of colorfastness can also range relying at the particular dye and application.
2. Colorfastness to Washing: Acid dyestuffs are also recognised for their high colorfastness to washing. This means that the colours remain vibrant and do no longer fade drastically after repeated washing or publicity to water. Acid dyes are frequently used in textile packages consisting of apparel or upholstery that require normal washing without compromising coloration intensity.
3. Colorfastness to Perspiration: Acid dyestuffs showcase accurate colorfastness to perspiration, making them appropriate for packages together with sportswear or activewear. Perspiration can motive color fading or staining, however acid dyes are designed to face up to these situations and maintain their color integrity.
Four. Colorfastness to Rubbing: Acid dyestuffs commonly provide outstanding colorfastness to rubbing or friction. This method that the colours do now not transfer or bleed whilst subjected to rubbing or frictional forces, making sure that the dye stays intact and does not stain different materials or surfaces.
Five. Durability: Acid dyestuffs are acknowledged for their sturdiness, which means that they have got proper resistance to wear and tear. This makes them appropriate for programs that require lengthy-lasting and sturdy coloration, inclusive of carpets, rugs, or upholstery.
6. Chemical Resistance: Acid dyestuffs generally have excellent resistance to diverse chemical compounds. They can face up to publicity to mild acids, alkalis, and different chemicals without tremendous color adjustments or fading. This chemical resistance contributes to their durability and capability to preserve their shade underneath distinct environmental situations.

Are acid dyestuffs safe to apply?

Acid dyestuffs are usually considered safe to use when handled nicely and in keeping with the endorsed guidelines. These dyes are generally utilized in various industries, consisting of fabric dyeing, paper dyeing, and shade of leather and wool.
One cause why acid dyestuffs are considered safe is that they've low toxicity ranges. They are generally non-carcinogenic and non-mutagenic, that means they do now not motive cancer or genetic mutations. This makes them more secure to deal with and work with in comparison to other forms of dyes that can pose health risks.
Furthermore, acid dyestuffs are commonly water-soluble, this means that they may be without difficulty rinsed off all through the dyeing procedure, reducing the amount of residual dye left in the end product. This now not most effective ensures the safety of the very last product but additionally minimizes environmental pollution and waste.
However, it's miles vital to observe that some acid dyestuffs may also comprise heavy metal ions, such as chromium or copper, which may be toxic if no longer managed nicely. Regulations and standards were applied to restriction the amount of heavy metals present in those dyes, making them safer for use. It is crucial for producers to comply with these policies and behavior thorough testing to make sure that their products meet the protection standards.
To make certain secure use of acid dyestuffs, it's far endorsed to follow proper managing procedures, along with sporting suitable protective device which include gloves, goggles, and aprons to save you skin touch and inhalation of the dye particles. It is also important to work in well-ventilated areas to save you the accumulation of fumes.
In addition, proper disposal of left-over dye solutions and waste materials is essential to save you environmental infection. Many areas have specific guidelines and rules for the disposal of dyestuffs and other chemical waste, and it's far vital to adhere to those guidelines to shield the surroundings.
Acid dyestuffs are typically safe to use while handled well and in accordance with encouraged suggestions. However, it's far critical to ensure compliance with protection policies and requirements, and to take vital precautions to guard both human health and the surroundings.