textile dyeing auxiliaries

Acid Dye Blue 25

CAS: 6408-78-2

Acid Dye Blue 25 is an anthraquinone-type leveling acid dye yielding brilliant bright blue shades on wool, silk, and nylon. Its anthraquinone structure provides outstanding light fastness, making it suitable for high-durability wool suiting, upholstery, and nylon sportswear. Dyes under acidic pH 4–5.5 conditions with excellent bath exhaustion.

textile dyeing auxiliaries

Acid Dye Red 18

CAS: 2611-82-7

Acid Dye Red 18 is a leveling acid dye providing bright scarlet-red shades on wool, silk, and nylon fibers. It dyes under weakly acidic conditions (pH 4–5) with excellent leveling properties and uniform shade development. Widely used in wool knitwear, silk scarves, and nylon carpet dyeing.

textile dyeing auxiliaries

Amino Silicone Fabric Softener

CAS: 106842-44-8

Amino-functional polydimethylsiloxane (amino silicone) is the premium fabric softener for cotton, polyester, and blended textiles, delivering super-soft handle with excellent resilience and drape. The amino groups anchor the silicone onto the fiber surface via ionic interaction, providing durable softness through multiple wash cycles. Widely used in finishing of apparel, home textiles, and sportswear.

textile dyeing auxiliaries

Ammonium Sulfate (pH Buffer for Reactive Dyeing)

CAS: 7783-20-2

Technical-grade ammonium sulfate is used in reactive dye exhaust dyeing as a mild pH buffer and slow-release alkali source, providing controlled dye exhaustion and fixation. When heated, it hydrolyzes to release ammonia and sulfuric acid, gradually lowering bath pH to promote reactive dye fixation in a more controlled manner than direct alkali addition. Also used as a diluent and anti-migration agent in disperse dye printing.

textile dyeing auxiliaries

Anionic Leveling Agent for Cotton

CAS: 68891-38-3

An anionic surfactant-based leveling agent specially formulated for reactive and direct dye exhaust dyeing of cotton and cellulosic fibers. It retards dye uptake in the initial phase of dyeing to ensure uniform dye migration and shade levelness. Compatible with all anionic reactive dyes and standard salt-alkali dyeing processes.

textile dyeing auxiliaries

Anti-Reducing Agent for Printing (Sodium m-Nitrobenzenesulfonate)

Sodium m-nitrobenzenesulfonate (Ludigol/Resist Salt L) is an oxidizing anti-reducing agent added to reactive and acid dye printing pastes to prevent premature dye reduction during high-temperature steaming fixation. It oxidizes any reducing agents present in the steamer atmosphere, protecting dye color integrity and yield. Essential in cotton printing production for consistent bright shades.

textile dyeing auxiliaries

Antistatic Agent for Textile (GMS Based)

CAS: 4292-10-8

Glycerol monostearate (GMS)-based antistatic agent for preventing static buildup on polyester, nylon, acrylic, and other synthetic textile fibers. It forms a hydrophilic surface layer that dissipates static charges by increasing surface conductivity through moisture absorption. Applied by padding or exhaust methods as part of the finishing process for synthetic apparel, upholstery, and carpets.

textile dyeing auxiliaries

Bioscouring Enzyme (Pectinase) for Cotton

Pectinase-based bioscouring enzyme for the eco-friendly pre-treatment of cotton fabric, replacing conventional NaOH alkaline scouring. It degrades pectic substances in the primary cell wall of cotton fibers, releasing natural waxes and improving fabric absorbency without fiber degradation. Significantly reduces water, energy, and chemical consumption in cotton pre-treatment.

textile dyeing auxiliaries

C6 Fluorocarbon DWR Finish (Water and Oil Repellent)

A C6 short-chain fluorocarbon polymer dispersion providing durable water repellency (DWR) and oil repellency on cotton, polyester, nylon, and blended fabrics. Based on C6 perfluoroalkyl chemistry (free of C8 PFOA/PFOS), it forms a low-surface-energy coating on fiber surfaces, causing water and oil to bead up and roll off. Meets bluesign, GOTS, and OEKO-TEX fluorine restriction requirements for sustainable DWR finishing.

textile dyeing auxiliaries

Cationic Dye Fixative for Reactive Dye

CAS: 26590-05-6

A polyamine-based cationic fixative designed to improve wet fastness and washing fastness of reactive-dyed cotton and viscose fabrics. It forms an ionic complex with unfixed reactive dye anions on the fiber surface, reducing dye bleeding without significantly altering the original shade. Commonly used as an after-treatment in exhaust and continuous dyeing processes.

textile dyeing auxiliaries

Cationic Fabric Softener (Distearyl Dimethyl Ammonium Chloride)

CAS: 107-64-2

Distearyl Dimethyl Ammonium Chloride (DSDA/DSDMAC) is a classical cationic fabric softener and conditioner for cotton and blended textiles. It deposits on negatively charged fiber surfaces via exhaustion or pad application, reducing inter-fiber friction to deliver a pleasant soft and smooth handle. Widely used in laundry conditioner formulation and textile mill finishing baths.

textile dyeing auxiliaries

Caustic Soda 50% for Mercerizing

CAS: 1310-73-2

Caustic Soda (NaOH) 50% liquid solution for textile mercerizing applications. Mercerizing cotton fabric with concentrated NaOH (200–280 g/L) under tension permanently swells cellulose fibers, increasing luster, dye uptake, dimensional stability, and tensile strength. The 50% liquid grade is convenient for continuous mercerizing ranges with automatic dilution systems.

textile dyeing auxiliaries

Crosslinking Resin Fixative DMDHEU

CAS: 1854-26-8

DMDHEU (Dimethylol Dihydroxyethylene Urea) is a durable press and crosslinking resin that simultaneously imparts crease resistance and improves dye fastness on cotton and blended fabrics. When cured with a catalyst, it crosslinks cellulose chains to lock dye molecules, enhancing wash fastness and shape retention. The industry standard resin for easy-care cotton shirting and home textile finishing.

textile dyeing auxiliaries

Desizing Enzyme (Alpha-Amylase)

CAS: 9000-90-2

Alpha-amylase is a thermostable enzymatic desizing agent that hydrolyzes starch-based sizing agents on cotton and cotton-blend woven fabrics with high efficiency and minimal fiber damage. It works under mild conditions (50–70°C, pH 6–7), eliminating the need for harsh oxidative or alkaline desizing. Widely used in modern continuous desizing ranges for cotton shirting and denim.

textile dyeing auxiliaries

Discharge Agent Rongalit C (Sodium Formaldehyde Sulfoxylate)

CAS: 149-44-0

Sodium formaldehyde sulfoxylate (Rongalit C, SFS) is the principal discharge printing agent used to destroy azo dye chromophores in dyed cotton fabric during high-temperature steaming, creating white or illuminated color discharge effects. It is mixed into thickened print pastes with or without discharge-resist dyes to produce classic discharge printed textiles. Widely used in woven cotton, denim overprint, and home textile discharge effects.

textile dyeing auxiliaries

Disperse Dye Blue 56

CAS: 12217-79-7

Disperse Dye Blue 56 is a high-sublimation-fastness azo-type disperse dye producing navy blue to royal blue shades on polyester and synthetic fiber blends. It exhibits excellent compatibility in trichromatic combinations and offers good thermosol properties. Commonly used in sportswear, outdoor fabrics, and automotive textiles requiring deep blue coloration.

textile dyeing auxiliaries

Disperse Dye Red 60

CAS: 17418-58-9

Disperse Dye Red 60 is an anthraquinone-type disperse dye delivering brilliant red-violet shades on polyester, nylon, and acetate fibers. It offers excellent sublimation fastness, making it ideal for heat-transfer printing applications. Widely used in automotive upholstery, sportswear, and polyester woven fabric dyeing.

textile dyeing auxiliaries

Disperse Dye Yellow 54

CAS: 12223-85-7

Disperse Dye Yellow 54 is a styryl-type disperse dye yielding brilliant greenish-yellow shades with very high light fastness on polyester fibers. It is particularly valued for its outstanding photostability and is preferred in outdoor, automotive, and military textile applications. Suitable for both exhaust and thermosol dyeing processes.

textile dyeing auxiliaries

Dispersing Agent for Disperse Dye (NNO)

CAS: 36290-04-7

Dispersing Agent NNO (sodium naphthalene formaldehyde sulfonate condensate) is the most widely used dispersant for disperse dye milling and polyester dyeing. It maintains fine disperse dye particle size distribution in the dye bath, preventing dye agglomeration at high temperatures. Suitable for HT dyeing, thermosol processes, and disperse dye formulation manufacturing.

textile dyeing auxiliaries

Dye Carrier for Polyester (Dicyclohexyl Phthalate)

CAS: 84-61-7

Dicyclohexyl phthalate is an aromatic dye carrier that swells polyester fiber at atmospheric boil (100°C), allowing disperse dye penetration without high-pressure equipment. It temporarily plasticizes the PET polymer chain, increasing free volume for dye diffusion. Used in atmospheric pressure dyeing of polyester and polyester blends where HT equipment is unavailable.

textile dyeing auxiliaries

Easy-Care Resin Finish DMDHEU (Crease Resistance)

CAS: 1854-26-8

DMDHEU (Dimethylol Dihydroxyethylene Urea) easy-care resin finish is the industry-standard crosslinking agent for imparting durable press and wrinkle resistance to cotton and cotton-blend fabrics. Applied by pad-dry-cure with a catalyst, it forms crosslinks between cellulose chains, permanently setting the fabric in a smooth, wrinkle-resistant state. Used worldwide in cotton shirting, bed sheets, and home textile finishing.

textile dyeing auxiliaries

Emulsifying Scouring Agent (Nonionic Blend)

A nonionic blend emulsifying scouring agent formulated for the removal of mineral oils, spinning lubricants, knitting oils, and greasy soils from synthetic and blended fabrics before dyeing. It emulsifies and disperses oily contaminants at low temperatures (40–60°C) without the need for strong alkali, protecting delicate fibers. Effective on polyester, nylon, wool, and wool-blend fabrics.

textile dyeing auxiliaries

Flame Retardant TDCPP for Polyester (Tris Chloroalkyl Phosphate)

CAS: 13674-87-8

Tris(1,3-dichloro-2-propyl) phosphate (TDCPP) is a halogen-phosphorus synergistic flame retardant for polyester and polyester-blend fabrics. Applied via padding or back-coating, it provides effective flame retardancy by releasing HCl and phosphorus-based radicals in the gas phase during combustion. Meets EN 13501-1 (Class B-s2), MVSS 302, and various upholstery FR standards.

textile dyeing auxiliaries

Flame Retardant for Cotton (THPC-based Proban Process)

Tetrakis(hydroxymethyl)phosphonium (THPC)-based flame retardant system for the Proban durable flame retardant finish of cotton and cotton-blend fabrics. After pad application and curing with ammonia, THPC polymerizes within the cotton fiber structure to form an insoluble phosphorus-nitrogen network, providing durable flame retardancy that withstands 100+ wash cycles. Meets EN 11612, NFPA 2112, and ATPV arc flash standards.