Acid dyes are a specialized type of dye used to color natural and synthetic fibers. They require an acidic environment for effective dyeing and can bond with the fibers through ionic and hydrogen bonding interactions. Acid dyes are soluble in water and offer a wide range of vibrant colors. They exhibit good Colorfastness and are commonly used on protein-based fibers like raw leather, wool and silk. Acid dyes are essential for adding long-lasting and intense color.

 

Colors

Characteristics of acid dyes

Acid Dyes are water-soluble anionic dyes applied to fibers such as silk, wool, leather from neutral to acid dye baths. Attachment to the fiber is attributed, at least partly, to salt formation between anionic groups. Acid Dyes of Sardar Chemical include a wide range with certifications of Azo free. Key Features of Acid Dyes are:

What are the properties of acid dyes?

Due to the sodium salt’s large anion in aqueous solutions, these are usually sold as sodium salts. Below are the properties of acid dyes:

Using acid dyes involves a specific acid dyeing process to ensure effective and vibrant coloration. Here are the steps to follow when using acid dyes:

Preparing the dye bath

Preparing the fabric or fiber

Dyeing process

Rinsing and aftercare

We are the only manufacturer for Leather dyes in Pakistan Since 1989. We produce wide range of leather dyes used in export oriented tanneries to dye natural fiber. All our Leather dyes adhere strictly to Amine testing international standards designed by SGS, Bureau Veritas & TTI Labs. And are approved Amine free dyes.

Acid Black is an organic dye. We are one among the most prominent entities, indulged in manufacturing of Acid Black Dyes in Pakistan. Acid Black dyes are available for the customers in different shades, tones & strength according to customer need. The provided Acid Black dyes are formulated with premium quality intermediate and compounds which are procured from the certified vendors of the market. We produce aniline free Acid Black Dyes. We extensively work on R&D for producing quality product and maintaining all the international standards.

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