Wide Spectrum of Disperse Dyes, One Reliable Source
From basic trichromatic to ultra high wet fastness dyes, we've got your dyeing needs covered.
The textile dyeing industry heavily relies on disperse dyes to color synthetic fibers, including polyester and acetate. The increasing need for textiles with lasting vibrancy and high performance boosts the significance of disperse dyes.
Alfa Chemistry provides an extensive selection of disperse dyes designed to fulfill strict industrial dyeing requirements. Through our dedication to quality, together with innovative practices and environmentally responsible methods, we establish ourselves as a reliable partner in textile chemistry.
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So What Are Disperse Dyes?
Disperse dyes are a class of non-ionic, water-insoluble dyes designed primarily for dyeing hydrophobic synthetic fibers. Unlike other dye classes, disperse dyes do not possess water-solubilizing groups; instead, they are finely ground and dispersed in the dye bath with the aid of dispersing agents. Originally developed for cellulose acetate, disperse dyes have become the dye of choice for polyester and its blends due to their excellent affinity, stability, and colorfastness properties.
Key Characteristics of Disperse Dyes
Molecular Structure
Typically small-molecule dyes (MW 400~600) derived from azo, anthraquinone, or diphenylamine compounds.
Non-Ionic Nature
Exhibit low polarity, enabling strong interaction with non-polar synthetic fibers.
Dispersion Requirement
Require dispersing agents to maintain a stable colloidal state in aqueous media.
Thermal Dyeing Conditions
Most effective under high-temperature dyeing (up to 130°C), often in pressurized conditions.
High Fastness
Offer excellent resistance to washing, light, sublimation, and perspiration.
What Disperse Dyes Do We Offer?
To address diverse industrial needs, Alfa Chemistry provides a comprehensive range of disperse dyes, including:
High Fastness Disperse Dyes
Engineered for applications requiring maximum color retention under harsh conditions.
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High Wet Fastness Disperse Dyes
Ideal for swimwear, sportswear, and other high-moisture exposure textiles.
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Super High Wet Fastness Disperse Dyes
Suitable for performance textiles demanding superior wet stability.
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Trichromatic Disperse Dyes
Balanced and pure primary shades for precise color formulation.
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Fluorescent Disperse Dyes
Deliver brilliant fluorescent effects for fashion, safety gear, and specialty textiles.
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Alkali Resistant Disperse Dyes
Formulated to withstand alkaline conditions, especially in printing or finishing processes.
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Environment-friendly Disperse Dyes
Free from APEOs, heavy metals, and other restricted substances; compliant with global regulations.
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High Wash Fastness Disperse Dyes
Tailored for fabrics requiring repeated laundering, including uniforms and home textiles.
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General Disperse Dyes
Versatile dyes suitable for a broad range of polyester and blended fabrics.
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Other Disperse Dyes
Custom-developed dyes for specific fiber types or dyeing challenges.
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What Are Disperse Dyes Used for?
Textile and Apparel Industry
The largest market for disperse dyes is in polyester apparel, including sportswear, casual wear and high fashion. Thanks to their excellent thermal stability and lightfastness, disperse dyes are able to produce vibrant and long-lasting colors in woven and knitted polyester fabrics. They are widely used in: high speed polyester dyeing, microfiber and blended fabrics (e.g., polyester/cotton, polyester/viscose), etc.
Home Decoration and Upholstery
Curtains, sofas, carpets and bedding use disperse dyes because they need materials that resist fading under light exposure and maintain their integrity through wear and repeated laundering. Materials with strong wet fastness qualities and fade resistance maintain their aesthetic appearance for extended periods.
Technical Textiles
The increasing need for high-performance fabrics has led to the widespread use of disperse dyes in applications including automotive textiles like seat covers and floor mats as well as industrial filters and protective gear which require heat and chemical resistant properties.
Sublimation and Transfer
The primary dyes used for sublimation and transfer printing are disperse dyes, which transfer from paper to fabric through heat and pressure. The process is widely used in sublimation and transfer printing method finds its main applications in sportswear and athletic apparel along with flags and banners promotional materials and custom fashion and interior decorations.
Non-textile Applications
Beyond textile uses, disperse dyestuffs color plastics, acetate films and synthetic leather because they dissolve well in organic solvents and bond well with thermoplastics. The applications of disperse dyestuffs now include the packaging industry as well as electronics production (such as colored films). colored films), cosmetic packaging.
Specialty Markets
Alfa Chemistry develops advanced fluorescent disperse dyes and alkali-tolerant dyes for specialized applications needing UV-reactive finishes and alkaline processing or adherence to strict environmental standards.
Customers Often Look For
Explore our most sought-after disperse dyes, formulated for exceptional color performance, superior fastness, and compatibility with a wide range of synthetic fibers.
| Catalog Number | Product Name | Type | pH Value | Categories | Price |
|---|---|---|---|---|---|
| DYE-DIS-0001 | Disperse Yellow SF-6G 200% | S | 4-7 | High Fastness Disperse Dyes | Inquiry |
| DYE-DIS-0003 | Disperse Orange SF-GL 200% | S | 3-9 | High Fastness Disperse Dyes | Inquiry |
| DYE-DIS-0005 | Disperse Red HF-YR 200% | S | 4-7 | High Fastness Disperse Dyes | Inquiry |
| DYE-DIS-0007 | Disperse Brilliant Red SF-B 200% | S | 4-9 | High Fastness Disperse Dyes | Inquiry |
| DYE-DIS-0047 | Orange 4RL | S | Trichromatic Disperse Dyes | Inquiry | |
| DYE-DIS-0051 | Red FB | E | Trichromatic Disperse Dyes | Inquiry | |
| DYE-DIS-0057 | Violet B | SE | Trichromatic Disperse Dyes | Inquiry | |
| DYE-DIS-0064 | Tangerine GG | Fluorescent Disperse Dyes | Inquiry | ||
| DYE-DIS-0067 | Pink FBS | Fluorescent Disperse Dyes | Inquiry | ||
| DYE-DIS-0068 | Pink BG | Fluorescent Disperse Dyes | Inquiry | ||
| DYE-DIS-0080 | Rubine HA-2G 100% | 4-14 | Alkali Resistant Disperse Dyes | Inquiry | |
| DYE-DIS-0081 | Magenta HA-B 200% | 4-14 | Alkali Resistant Disperse Dyes | Inquiry | |
| DYE-DIS-0082 | Violet HA-R 100% | 4-14 | Alkali Resistant Disperse Dyes | Inquiry |
What Is the Dyeing Process for Disperse Dyes?
Disperse dyes are applied through specialized dyeing procedures designed to ensure even distribution, strong fixation, and superior colorfastness. Below is a standardized workflow outlining the core stages of disperse dyeing:
Preparation of Dye Bath
The dye bath is formulated by accurately weighing the disperse dye and necessary auxiliaries—such as dispersing agents, leveling agents, and pH buffers—based on the fabric weight (o.w.f.) and target shade depth. These components are then dissolved in deionized or softened water under agitation to form a homogenous, stable dye dispersion.
Fabric Pretreatment
Prior to dyeing, the textile substrates must undergo rigorous pretreatment steps such as washing, scouring, and in some cases, bleaching. This removes surface contaminants like oils, waxes, and residual chemicals, which can otherwise hinder dye penetration and result in uneven coloration. Proper pretreatment enhances the fabric's hydrophilicity and dye receptivity.
Dyeing Operation
The pretreated textiles are fully immersed in the dye bath. The process typically occurs under high-temperature and pressurized conditions (e.g., 120–130°C in jet or HT dyeing machines), depending on the dye class and fiber type. During dyeing, controlled heating, agitation, and dwell time are essential to ensure uniform diffusion of dye molecules into the fiber matrix. Modern techniques may also involve carrier agents or ultrasonic dispersion for specific fiber structures.
Post-Dyeing Washing and Fixation
After dyeing, the textiles are subjected to sequential hot and cold rinses to eliminate unfixed dye residues and bath contaminants. To improve dye fastness properties, fixation treatments are often employed, including the use of cationic fixing agents, pH neutralization, or thermal treatments. This step is particularly critical for achieving high resistance to washing, rubbing, and perspiration.
Why Choose Us as Your Disperse Dyes Supplier?
- Extensive Portfolio: A diverse selection of disperse dyes tailored to specific performance and regulatory needs.
- Customization Support: We provide color-matching, formulation guidance, and batch consistency assurance.
- Technical Expertise: Our experienced chemists and dyeing specialists ensure optimal application support and innovation.
- Global Supply Capability: Prompt delivery and responsive customer service across global markets.
Services That Fit Your Needs
Alfa Chemistry provides custom dye development services to meet specialized client requirements while also supplying high-performance dyes. Our R&D team delivers targeted solutions supported by analytical validation and application testing, whether they are modifying dye structures for better fastness or adjusting shades for current fashion trends and creating digital printing formulations.
Key services include:
- Custom synthesis of novel disperse dye molecules
- Shade matching and dye formulation optimization
- Dye compatibility testing for fiber blends
- Regulatory compliance support
Curious About Our Success Stories?
The following case studies demonstrate how our products have led to significant technological breakthroughs and economic benefits in real-world applications.
Case 1: High fastness dyeing for outdoor sportswear
Product name: DYE-DIS-0001 Disperse Yellow SF-6G 200%
A German functional textile manufacturer specializing in outdoor sports equipment chose Disperse Yellow SF-6G 200% for dyeing high-performance polyester fabrics. The customer requires dyes that retain their vibrant colors after exposure to UV light, perspiration, and multiple washes. Thanks to SF-6G's excellent lightfastness and wet rubbing fastness, as well as its high concentration of 200%, the customer was able to achieve energy-efficient, short-process dyeing that improved dyeing efficiency and reduced usage costs. The dyed fabrics have full color tone and natural luster, which are favored by the end brands.
Case 2: Dark color wash-resistant printing for home textiles
Product name: DYE-DIS-0026 Disperse Turquoise Blue HSF Depth o.w.f 2.0%
A bedding exporter located in India uses Disperse Turquoise Blue HSF for dark color transfer printing on its polyester gauze curtains. Formulated at 2.0% o.w.f., the product delivers a vibrant blue-green hue with saturated, unadulterated color and passes multiple rounds of 40°C home washing tests with a color fastness of 4+. The dye is highly compatible and suitable for the high-speed transfer printing process, which helped the customer to improve the printing resolution and penetration uniformity and finally win a large order from the European and American markets.
Case 3: Standard red masterbatch in high-speed dyeing production line
Product Name: DYE-DIS-0054 Red GFL
A large chemical fiber dyeing and finishing plant in Southeast Asia introduced SE-type trichromatic disperse dye Red GFL for standardized dyeing control of red masterbatch in its filament dyeing line. The dye has good heat stability, leveling and migration properties and is particularly suitable for high-temperature and high pressure dyeing at 130°C. The customer is using the dye with Blendstar's Dyestuff. After using this dye with Blue HFL and Yellow 3GL, the customer successfully constructed a flexible and stable color-matching scheme, achieved consistency and repeatability of multi-batch dyeing, and greatly reduced the risk of color-matching error and re-dyeing.
Case 4: Fluorescent yellow improver for high-speed inkjet in digital printing
Product Name: DYE-DIS-0061 Disperse Yellow 10GN (Yellow 184:1)
A technology company engaged in the production of polyester digital printing ink introduced Disperse Yellow 10GN (Yellow 184:1) as the key pigment component of its fluorescent yellow ink improver. The dye has excellent particle dispersion and thermal stability, making it particularly suitable for the high shear environment of inkjet printing. Through the optimization of the unique dispersion process, the customer has successfully developed fluorescent inks for banners, advertising cloths, etc., which significantly improve the blocking resistance of the printhead and color consistency without sacrificing color vibrancy.
Customer Reviews
What Our Customers Ask
How to choose the right type of disperse dyes?
The selection of dyes depends on the type of target fiber, dyeing process (high temperature and pressure, heat sublimation, etc.), fastness requirements (e.g., resistance to washing, perspiration, and light), and color depth requirements.
How to improve the dyeing fastness of disperse dyes?
Washing, perspiration and lightfastness can be improved by using high fastness disperse dyestuffs, optimizing dyeing conditions (e.g. pH, temperature, time), and adding dispersants and color-fixing agents. We also provide recommendations and technical support for specific additives.
Are disperse dyes suitable for blended fabrics?
They can be used for dyeing polyester/cotton, polyester/viscose blends, etc. However, a double dyeing process (e.g., dyeing polyester with disperse dyestuffs, then dyeing cotton with reactive/direct dyestuffs) is usually required to ensure color uniformity and fastness properties.
What do I need to pay attention to when transporting and storing disperse dyes?
It should be stored in a cool, dry and ventilated place to avoid direct sunlight and moisture caking. Product packaging should be kept sealed; avoid static electricity and high temperature environments. Some dyes are sensitive to moisture, so it is recommended to use them as soon as possible after opening.
What kind of technical support does your company provide?
We provide color sample formulation recommendations, process parameter guidance, dyeing abnormality analysis, dyeing and finishing application consulting, and product certification information support to help customers quickly complete the test and mass production.
What standard methods are commonly used for colorfastness testing of disperse dyes?
Commonly used test standards include the ISO 105 series (e.g., ISO 105-C06 washing fastness, ISO 105-B02 light fastness), AATCC 61/16, and so on. Customers can choose the appropriate standard according to the target market requirements in quality control.
Can disperse dyes be used with other types of dyes?
Disperse dyestuffs are usually not directly mixed with cationic, reactive or direct dyestuffs, but they can be compatible with blended fabrics by step-dyeing or by using auxiliaries. Please consult our technical team for a personalized solution.
Does Alfa Chemistry offer samples and COA documentation?
We provide samples in small packages for trial use, accompanied by a COA (Certificate of Analysis), TDS (Technical Data Sheet), and MSDS (Safety Data Sheet) to meet customer needs for sampling and compliance verification.
How to deal with blistering or color floating during the dyeing process of disperse dyes?
It can be solved by controlling pH, adding suitable wetting or defoaming agents, and adjusting the bath ratio and temperature increase rate. We can assist customers to optimize the formula to solve the abnormal situation.
Are the products suitable for high-speed dyeing and finishing lines?
We provide disperse dyestuffs with uniform particle size, excellent thermal stability and fast dissolution, which are especially suitable for modern high-speed roll dyeing, jet dyeing, digital printing and other rapid process lines.
Do the dyes have stability test data (heat/light/acid/alkali)?
Yes, we can provide complete test data on heat stability, light aging, and acid and alkali tolerance of dyes so that customers can evaluate the performance reliability in different application scenarios.
Does the logistics support global shipment?
Yes, we do. We have a complete global supply chain system, supporting air and sea transportation and local warehouse shipment in specific regions.
