Explore our premium grade chemical colorants engineered for precision, high durability, and ultimate fastness across industrial applications.
Zero Hazardous Discharge
Organic Textile Standard
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.
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.
A comprehensive study on molecular mechanics, supply chain security, and ecological sustainability in modern coloration processes.
Cationic Brown (often categorized under basic dyes) has undergone a major technological transformation. Historically utilized for basic acrylic fiber coloring, modern Cationic Brown formulations now feature quaternary ammonium groups that deliver phenomenal electrostatic bonding with anionic sites on polymer chains. This chemistry results in brilliant depth of shade, exceptional light fastness, and unparalleled wash stability.
The current global market trend shows a significant shift toward liquid cationic dye variants, such as Basic Brown 23 Liquid. Liquid dye systems minimize dust emissions in the mill environment, optimize automation in recipe dosing, and eliminate dissolution errors that often lead to fabric spot defects. Manufacturers are investing heavily in stabilizing these liquid formulations to extend shelf-life and prevent settling during oceanic transport.
Procurement departments in global textile hubs like Turkey, Bangladesh, Vietnam, and India are no longer buying dyes based solely on price per kilogram. The primary criteria have shifted to regulatory compliance (ZDHC Level 3, GOTS, OEKO-TEX Standard 100) and application reliability. Chemical sourcing managers require raw materials that guarantee stable color yield across different production batches to avoid costly re-dyeing runs.
Analysis of search behavior and user intent indicates a rising query volume for "stable cationic dye suppliers with local warehouse availability" and "heavy-metal-free basic dyes." This signals a crucial need for raw material stability combined with transparent environmental credentials. Importers are restructuring their supplier panels to prioritize companies with dedicated R&D labs that can run customized spectral matching and compatibility assays before dispatch.
As a leading dye chemical cluster, the Tianjin Sunrise industrial grid leverages automation and digital twins to optimize key reaction steps, including diazotization, coupling, and filtration. China Factory 4.0 integration allows real-time control of key reaction variables (temperature, pH levels, agitation speed), eliminating batch variations that have historically plagued basic and cationic dye production.
Beyond technological precision, supply chain resilience is critical. By maintaining high-capacity automated production lines close to prime shipping corridors like Tianjin Port, we minimize lead times. Integrated supply chains ensure that raw materials like aniline derivatives and basic acids are systematically stocked, insulating international clients from market shocks and geopolitical disruptions.
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.
From high-capacity paper mills in Scandinavia to premium leather tanneries in Tuscany, explore how our technical portfolio fulfills local requirements.
Paper mills require colorants that do not bleed under wet friction. Product formulations like Basic Brown 23 Liquid and Direct Yellow R are designed for easy dosing directly into the pulp slurry, offering superior affinity to cellulose fibers.
Premium leather requires high-penetration acid dyes. Acid Black ATT and Acid Red 14 ensure uniform coloration on top-grain and split leathers without hardening the natural collagen structure.
High-temperature plastic injection requires specialized solvent dyes. Solvent Black 27 and Solvent Blue 35 feature excellent heat stability up to 280°C, ensuring zero pigment migration in polymers.
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.
Strict monitoring at every critical path in synthesis.
Minimized chemical footprint, maximized color yield.
Compliant with European REACH regulations.
Our infrastructure operates at maximum capacity to guarantee cargo space and immediate dispatch under complex logistical situations.
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.
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.
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.
Technical guidance and sourcing information compiled by our chemical engineers and supply chain compliance managers.
Cationic Brown (technically classified within the basic dyes family) is a water-soluble dye possessing positive charge centers (cationic groups). These positive charges form powerful ionic/electrostatic bonds with the acidic (anionic) groups on synthetic polymer backbones, such as polyacrylonitrile (acrylic fibers), modacrylics, and cationic-dyeable polyesters (CDP). This precise bonding profile yields excellent wash fastness and brilliant deep-brown shades.
Liquid formulations (like Basic Brown 23 Liquid) offer major process advantages over powders. Liquid variants eliminate dust pollution in factory environments, protecting mill workers. Furthermore, liquid dyes dissolve instantly without risk of undispersed particles, which reduces spotting on high-speed paper machinery and guarantees highly uniform coloration in tissue, packaging board, and specialty paper grades.
We maintain strict compliance with global ecological standards. Our manufacturing facilities are ZDHC Level 3 certified (Zero Discharge of Hazardous Chemicals) and certified under GOTS (Global Organic Textile Standard). These certifications prove that our chemical sourcing, processing, and wastewater treatments minimize hazardous impurities like banned arylamines, alkylphenol ethoxylates (APEOs), and heavy metal contaminants.
We run a comprehensive QA protocol. Every shipment is sampled and tested in our spectrophotometer and colorimetric labs before dispatch. By utilizing Factory 4.0 automation systems, we maintain precise control over synthesis factors (coupling timing, thermal ramping, filtration purity), ensuring a color tolerance level of Delta E < 0.5 for our long-term clients.
Yes. We have a dedicated laboratory team that specializes in custom development. Clients can send sample materials (such as raw fibers, unique leather splits, or pulp stocks) to our laboratories. We analyze the substrate chemistry and develop tailored chemical formulations that optimize molecular binding, dye exhaustion rate, and fastness profiles for your specific application.
Review our extended colorant portfolio. Retain the exact product URLs below to access technical specifications and OEM production quotes.