Cellulosic Fiber

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Cellulosic fibers, derived from plant cellulose, are widely used in the textile industry due to their favorable properties such as comfort, breathability, and softness. However, dyeing these fibers can pose specific challenges, primarily due to their high affinity for water and various dye chemistries. This necessitates the use of specialized dyeing auxiliaries to achieve desired outcomes. Dyeing auxiliaries for cellulosic fiber we can provide include:

Catalog	Product Name	pH	Note
DYE-AUX-0108	Liquid Brightener	--	Anionic. Suitable for whitening pure cotton and polyester/cotton fabrics. It can be used directly by diluting with water. It has good acid resistance and excellent process adaptability. It is resistant to hydrogen peroxide and perborate. Dosage: Exhaust dyeing 0.1-0.8% (o.w.f); Pad dyeing 1-8g/L.
DYE-AUX-0109	Solid Remover	10.5-12.5	Anionic. Used in the back-dyeing process after fixing cellulose fabrics to remove the fixing agent. Effectively removes the fixing agent, ensuring even redyeing of fabrics without reducing lightfastness. Dosage: Impregnation 2-3 g/L.
DYE-AUX-0110	Chlorine-resistant Color Fixing Agent For Cotton	--	Anionic. Used for after-fixation treatment of reactive, direct, sulfur, acid, and other dyes in dyeing or printing. Significantly improves chlorine fastness of fabrics. Free of formaldehyde. Dosage: Dipping 3-8% (o.w.f); Padding 30-80 g/L.
DYE-AUX-0111	Color Fixing Agent A	3.0-5.0	Cationic. Used for fixation treatment after dyeing or printing with direct, acid, and reactive dyes, improving both soap and wash fastness. Dosage: Padding: 10-30 g/L, Dipping: 1-5% (o.w.f)
DYE-AUX-0112	Formaldehyde-free Fixing Agent A	5.0-7.0	Cationic. Suitable for post-treatment fixation of reactive, direct, and other dyes after dyeing or printing. It enhances fastness to soaping, washing, perspiration, and other wet treatments. It has minimal impact on fabric color, hand feel, and hydrophilicity. Dosage: Dipping 1-3% (o.w.f); Padding 5-30 g/L.
DYE-AUX-0113	Aldehyde-free Hydrophilic Color Fixing Agent A	6.0-8.0	Cationic/Non-ionic. Suitable for the fixation treatment of fabrics dyed or printed with direct dyes and reactive dyes. It does not affect the hydrophilicity of the fixed fabric. Dosage: Dipping 1-4% (o.w.f); Padding 5-30 g/L.

Catalog	Product Name	pH	Note
DYE-AUX-0114	Direct/Blended Color Fixing Agent	4.0-5.0	Cationic/Nonionic. Used for the fixation treatment after dyeing direct/blended fabrics and reactive fabrics. Enhances various wet fastness properties of the fabric, especially wash fastness and soak fastness. Free of formaldehyde, it can replace Fixing Agent Y. It has good compatibility with softening flakes/silicone oil. Dosage: Dipping 1-4% (o.w.f); Padding 10-40g/L.
DYE-AUX-0115	Color Fixing Agent For Ternary Copolymerization Cotton	5.0-7.0	Cationic/Non-ionic. Suitable for fixation processing after dyeing or printing with reactive dyes. Significantly improves the wet fastness of fabrics. Applicable for various reactive dye color series such as bright red, black, coffee, turquoise blue, vivid blue, etc. Dosage: Dipping 0.2-1.0% (o.w.f.); Padding 2-10g/L.
DYE-AUX-0116	Color Fixing Agent For Full Color Cotton	5.0-7.0	Cationic/Non-ionic. Used for fixing after dyeing or printing with reactive dyes. Applicable to a wide range of colors, significantly enhancing the fastness of fabrics dyed with dark red, dark coffee, dark black, cyan blue, bright blue, and other full-color spectrum reactive dyes. Dosage: Dipping 1-4% (o.w.f); Padding 5-30g/L.
DYE-AUX-0117	Cotton Color Fixing Agent	6.0-8.0	Cationic/Non-ionic. Used for improving color fastness in nylon-cotton dyeing or printed fabrics. Significantly enhances color fastness for a wide range of hues including deep red, black, brown, turquoise blue, and bright blue. Capable of one-bath fixation and softening treatment with minimal color change and very little impact on fabric feel and hydrophilicity. Dosage: Dipping 0.5-1.5% (o.w.f); Padding 5-20g/L.
DYE-AUX-0118	Reactive Dye Fixing Agent	4.5-5.5	Cationic/Nonionic. Used for after-treatment to fix reactive dye-printed or dyed fabrics. Significantly enhances wash fastness of deep-colored fabrics such as bright red, coffee, and black, with minimal color change. Free of formaldehyde. Dosage: Dipping 1-3% (o.w.f); Padding 5-30g/L.
DYE-AUX-0119	Alternative Alkali for Cotton	11.5-12.5	Powder. Used for fixation in reactive dyeing. It can replace caustic soda, soda ash, trisodium phosphate, and their mixtures; only requires 1/8-1/10 of the amount of soda ash; excellent pH buffering effect; low viscosity of fixation bath; residual alkali is easily washed off. Dosage: Padding 1-5g/L; Dip dyeing: Light color 0.1-1g/L; Medium color 1-2g/L; Dark color 2-4g/L.

Catalog	Product Name	pH	Note
DYE-AUX-0120	Levelling Agent for Full Color Cotton	7.0-8.0	Anionic. Used for cotton and its blends dyed with various color series reactive dyes, especially reactive turquoise and brilliant blue. Enhances dye solubility, salt and alkali resistance; improves dye leveling synchronization; features good dispersing and chelating properties to mask heavy metal ions, maintaining color vividness. Dosage: 0.5-2.0 g/L.
DYE-AUX-0121	Wet Rubbing Fastness Improver	3.0-5.0	Cationic / Non-ionic. Used to improve dry and wet rubbing fastness of various fabrics. It can increase wet rubbing fastness by 1-2 grades. Free from DMF, with good wash resistance, does not easily adhere to rollers, soluble in cold water, compatible with finishing agents. Dosage: Dipping 2.0-6.0% (o.w.f); Padding 20-60g/L.

Key Features of Dyeing Auxiliaries for Cellulosic Fibers

Improved Colorfastness: By incorporating fixing agents, dyeing auxiliaries significantly enhance the dye's adherence to the fiber. This results in fabrics that retain their vibrant colors even after multiple washes and prolonged exposure to light.
Energy and Water Efficiency: By optimizing the dyeing process, auxiliaries can lead to significant savings in energy and water consumption. Efficient dispersion and penetration of dyes reduce the need for extended dyeing times and high-temperature processes.

With a deep commitment to research and quality, Alfa Chemistry ensures that our dyeing auxiliaries for cellulosic fiber not only enhance the color intensity and fastness of textiles but also align with environmental sustainability efforts. Trust Alfa Chemistry for reliable, high-performance solutions that drive excellence in textile manufacturing.

It is important to note that our products are for research use only and are not for clinical use.

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