Indigo Dye Fixing Chemicals

Indigo Dye Fixing Chemicals

Indigo Dye Fixing Chemicals – Enhance Colorfastness and Reduce Fading

Indigo dye fixing chemicals are specialized textile auxiliaries designed to improve the fixation of indigo dyes on fibers, ensuring vibrant, uniform, and long-lasting colors. By stabilizing the dye on the fabric, these chemicals reduce bleeding, migration, and fading during washing, finishing, and repeated wear.Suitable for cotton, denim, and other indigo-dyed textiles, indigo dye fixing chemicals protect fiber strength, maintain fabric hand feel, and improve overall garment quality. With excellent compatibility with modern dyeing and finishing processes, they provide reliable, high-performance results for apparel, home textiles, and premium denim products.

1. Exceptional Color Fixation

Uses cationic high-molecular-weight crosslinking to form dual ionic and covalent bonds with sulfur-indigo dyes

Greatly improves wash fastness, rubbing fastness, and perspiration fastness

Effectively prevents color loss due to washing, abrasion, or friction

 

2. Eco-Friendly & Safe

Free from formaldehyde, benzene, and other hazardous substances

Compliant with OEKO-TEX® Standard 100, REACH, and other international eco-standards

Low VOCs, ensuring a safer working environment and end-user safety

 

3. Strong Compatibility

Compatible with sulfur-indigo dyes, penetrants, softeners, and other auxiliaries

Can be directly added to fixation baths without impacting fabric hand feel, softness, or appearance

 

4. Superior Process Adaptability

Suitable for pad-dry-cure, immersion, and other common fixation processes

Minimal effect on fabric whiteness and tone, preserving the deep, vivid blue of sulfur-indigo

AppearanceColorless to pale yellow transparent liquid (slight turbidity over time does not affect performance)
pH Value6.5-8.5 (neutral to weakly alkaline, resistant to acid/alkali fluctuations).
IonicityCationic
SolubilityEasily soluble in water

This fixing agent is specifically designed for sulfur-indigo dyed textiles requiring long-lasting, high-performance color retention.

Fiber Types:

 

Cotton

Viscose

Linen

Cellulose blends (e.g., cotton/polyester, cotton/nylon)

Note: Slight process adjustment may be required for blended fabrics.

 

Dye Types:

All sulfur-indigo dyed textiles, including:

Denim

Workwear

Canvas

Home textiles

Packaging: Plastic drums

 

Storage Conditions:

Store in a cool, dry, well-ventilated area (5–35°C)

Avoid direct sunlight, freezing, and contact with strong acids, alkalis, or oxidizers

 

Shelf Life: 

12 months unopened

6 months after opening (mild stratification may occur with time—simply stir before use)

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