Engineered for high solubility, excellent color fastness, and strict environmental compliance.
In the modern dyestuff industry, milling dyes represent a critical subclass of acid dyes that are specifically designed for applications requiring superior fastness properties during milling (fulling) processes. These dyes possess a relatively high molecular weight and are often characterized by their structural complexity, including aromatic rings and long-chain alkyl groups. This chemical architecture limits their migration tendencies while enhancing hydrophobic interactions within the fiber structure, notably on protein fibers like wool, silk, and polyamide substrates.
Unlike standard leveling acid dyes, milling dyes are applied under weekly acidic conditions (pH 5.5 to 6.5). The slow diffusion and high affinity of milling dyes necessitate precise temperature control and auxiliary chemical selection to achieve uniform leveling. However, once fixed, they offer outstanding wet fastness, washing fastness, and chemical stability, making them the preferred choice for heavy-duty textiles, industrial felts, high-end upholstery, and technical paper materials.
Tianjin Sunrise Chem Group, specializes in manufacturing high-quality dyestuffs. Including Direct dyes, Acid dyes, Basic dyes, Sulphur dyes, Solvent dyes, Liquid dyes and Fluorescent dyes.
Backed by decades of industry and export experience, we have built a reputation for reliability and excellence, serving clients from diverse sectors including denim, textile, leather, paper and plastic. We always highly focus on the goods quality and stability. Each shipment has been tested before sending to the port. ZDHC level 3 and GOTS certificate makes your quality guaranteed.
We pride ourselves on offering customized solutions. Our team of experts works closely with clients to understand their unique needs and delivers tailored products and services. We actively seek strategic partnerships to expand our reach and enhance our offerings. Collaborate with us to explore mutual growth opportunities.
Cooperating with textile and paper mills for many years shows that the factory has established a strong and reliable business relationship. This kind of long-term collaboration can bring numerous benefits, such as consistent orders, shared resources, and mutual support. It also indicates that the factory has a good track record of delivering quality products and meeting the needs of its partners. Our mission is to drive business growth by providing reliable and customized products. Our goal is to make a significant contribution to our customers' success by consistently delivering first-class products and exceptional customer service. By building lasting partnerships, we strive to be a catalyst for our clients' success.
With years of experience, we have successfully established strong partnerships in many countries. Our dedication to meeting global demands and exceeding customer expectations has earned us a reputation as a reliable supplier worldwide.
If you are looking for reliable, high-quality Dyes, we invite you to choose us as your trusted partner. Our global warehousing capabilities and optimized sea-freight routes guarantee short lead times and continuous supply, irrespective of global chemical logistics fluctuations.
Explore our specialized range of water-soluble acid and direct colorants designed for leather, silk, wool, and paper applications.
Excellent penetration, ideal for heavy leather drum dyeing.
High brilliance, superior exhausting properties under acidic conditions.
Deep build-up black, standard for wool blends and heavy duty yarn.
High purity formulation adapted for forensic applications.
Classic violet-toned blue for high wash-fastness on denim fabric.
Exceptional light-fastness direct yellow for interior textiles.
Optimized fiber affinity, minimizes wastewater turbidity in paper mills.
Brilliant hue and clean runoff profiles for industrial paper pulps.
Thermal stability up to 260°C, perfect for engineering polymers.
Jet-black appearance, widely used for high-end phenolic resins.
Cost-effective acidic yellow with superior leveling attributes.
Excellent migration and bright red dischargeability profiles.
Classic azo red offering optimal reproducibility, high affinity on polyamides, and stability across varied pH levels.
Our chemical formulations comply with rigorous global environmental standards. Below are our key operational certificates supporting cleaner water run-off and ethical production.
Environmental protection is the cornerstone of our innovation. We dedicate ourselves to provide clients with eco-friendly, high-quality colorants that balance productivity with environmental harmony, driving the industry towards a more sustainable development path while delivering high-performance products—for a greener textile industry and a sustainable future.
We not only produce and export dyes, pigments but also prioritize long-term cooperation with our customers, providing them with quality services that exceed their expectations. Allow us to explain why choosing us is the best decision for your business.
One of the main reasons why customers choose us is the stable supply of dyes we provide. We have developed efficient manufacturing processes to ensure a continuous supply of our products. Our factories feature state-of-the-art equipment and a knowledgeable workforce, which enables us to fulfill the most demanding orders. With us, you can begin your manufacturing journey with confidence knowing that dye availability will never be an issue.
Apart from a steady supply, the quality of our dyes is another reason why we stand out in the market. We, SUNRISE CHEM, take pride in our commitment to producing dyes that consistently meet high standards of quality. Our experienced technicians carefully monitor the manufacturing process, ensuring that each batch of dyes is carefully tested for color fastness, durability and other essential parameters. By choosing us, you can rest assured that your products will stand out in the market due to the vibrant and long-lasting color our dyes provide.
The ZDHC program is a collaborative effort by leading brands, retailers, and suppliers in the textile and footwear industry to reduce the use of hazardous chemicals. The focus of this certification is on eliminating the release of hazardous chemicals into the environment throughout the entire supply chain. Achieving ZDHC certification indicates that our company has implemented robust chemical management procedures and has met the stringent requirements for chemical handling, wastewater treatment, and pollution prevention.
The Global Organic Textile Standard (GOTS) is a certification that ensures the organic status of textiles from the harvesting of raw materials to environmentally and socially responsible manufacturing. The GOTS certification guarantees that the textiles are made from organic fibers, that chemical inputs are minimized, and that strict environmental and labor standards are met throughout the production process. GOTS certified products are considered to be sustainable, safe, and ethical. Both certifications are important in the context of sustainable and responsible textile production. ZDHC focuses on the elimination of hazardous chemicals, while GOTS certification guarantees the organic and ethical aspects of the textile production.
Peek inside our high-volume chemical warehouses and optimized material handling units.
We firmly believe in building relationships with our clients based on trust and mutual benefit. We know that our customers' success is our success, so we are committed to providing quality services to meet their needs. Our dedicated customer support team is on hand to address any questions or concerns you may have. We value your feedback and strive to continuously improve our operations to serve you better. Our purpose is not just to supply dyes, but to be your trusted partner in achieving your business goals. By choosing us, you choose a partnership built on reliability, transparency and mutual success.
Pioneering high-fixation, low-energy chemical processing technologies for next-generation manufacturing.
Transitioning from traditional petroleum-derived precursors to renewable bio-derived amine intermediates, achieving a 20% reduction in production carbon footprints.
Developing specialized milling dye auxiliaries that facilitate level dyeing under extremely low water ratios, targeting up to 40% absolute water conservation at textile mill levels.
Deploying SaaS spectral prediction modules directly to customers, facilitating real-time automated formulation adjustments and eliminating laboratory waste during shade trials.
Get instant answers to technical, commercial, and regulatory queries regarding milling dyes and industrial colorants.
Milling acid dyes have larger molecular structures, offering higher affinity and superior wet-fastness compared to leveling acid dyes. While leveling acid dyes migrate easily to create highly uniform shades on wool or polyamide, they lack washing fastness. Milling dyes require careful temperature and pH control (often starting at pH 6.0) to level properly, but once fixed, they resist washing, perspiration, and mechanical fulling processes.
We perform rigorous chromatographic checks on every raw intermediate incoming batch to exclude restricted arylamines, alkylphenol ethoxylates (APEOs), and heavy metals. Being certified at ZDHC Level 3 means our chemical manufacturing processes are verified not to contain intentional or unintentional restricted substances, ensuring compliance at the root level before products ship.
Our OEM liquid dyes (such as Basic Brown 1 Liquid and Direct Blue 199 Liquid) are designed to prevent dusting and simplify automated dosing in paper mills. They offer consistent storage stability without precipitation. However, powder dyes remain the standard for long shelf-life requirements and extreme temperature shipping environments. Both offer equivalent color yield when adjusted to dry-solid concentrations.
Yes, we have an advanced R&D laboratory equipped with spectrophotometers. Customers can send physical color cards, dyed fabric swatches, or digital Lab coordinates. Our technicians calculate the dye formulation, run laboratory dye trials, and submit strike-offs for customer approval prior to mass production.
In a word, when choosing a dye factory with stable supply, high quality and excellent service, we are your best choice. With our attractive range of dyestuffs, coupled with our professional and customer-centric approach, we assure you that your decision to choose us as your preferred dyestuff factory will be a fruitful one. Contact us today and let's embark on a journey to success together.
High-purity liquid dyes and polymer-soluble solvent colorants adapted for precision industrial tinting.
Sunrise
