Premium solutions engineered for paper dyeing, textiles, plastic masterbatches, and concrete formulations.
Tianjin Sunrise Chem Group specializes in manufacturing high-quality dyestuffs. Our extensive product portfolio includes 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 solid reputation for reliability and excellence, serving global clients from diverse sectors including denim, textile, leather, paper, and plastic. We understand that in the fast-paced chemical coloring industry, batch-to-batch consistency is not just a preference; it is a critical operational parameter.
Quality Assurance Priority: We always highly focus on the goods quality and stability. Each shipment is rigorously tested before sending to the port. ZDHC Level 3 and GOTS certifications guarantee that our products meet the highest environmental and performance standards globally.
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.
In-depth look at chemical specifications, market positioning, and performance parameters.
Direct Red 4be (often structurally related to direct red azo-class dyes like Direct Red 239 and Direct Red 28) represents one of the most vital colorant categories in modern chemistry. Valued for its excellent water solubility and affinity for cellulose-based substrates, this dyestuff has become indispensable in bulk manufacturing setups globally. Industries ranging from automated paper manufacturing plants to high-speed textile weaving complexes rely on the deep, vibrant red hue and superior binding kinetics of this dyestuff.
Chemically, Direct Red dyes are anionic compounds that form stable hydrogen bonds and van der Waals forces with the hydroxyl groups found in natural cellulose. This direct affinity means that additional mordants or fixing agents are minimized, making the process highly efficient and cost-effective. Below is an overview of the technical metrics that buyers track when sourcing premium Direct Red formulations:
| Chemical / Physical Property | Standard Specification Value | Testing Protocol / Compliance |
|---|---|---|
| Appearance | Homogeneous Dark Red Powder / Concentrated Liquid | Visual / Colorimetric Spectrophotometry | Color Strength | 100% to 150% ± 3% (Adjustable for liquid formulations) | Relative Strength vs. Standard Sample |
| Water Solubility | ≥ 40 g/L (at 90°C) | ISO 105-Z09 Standard Testing Method |
| PH Range Stability | 6.5 - 9.5 | Standard pH Meter Verification |
| Fastness Properties | Light Fastness: 4-5 | Washing Fastness: 3-4 | ISO 105-B02 / ISO 105-C06 |
| Heavy Metal Limits | Within ZDHC Level 3 MRSL guidelines | ICP-MS Elemental Analysis |
For paper manufacturing, liquid direct dyes like Direct Red 239 Liquid and Direct Yellow R are the preferred options. Their high solubility prevents clogging in automated dosing systems. They deliver consistent back-to-back run stability for high-volume napkin, tissue, and cardboard coloring, leaving minimal effluent color discharge.
Direct Red 4be binds organically to cellulosic structures in cotton, viscose, and linen. When treated with cationic fixing agents, these dyed fabrics exhibit excellent resistance to washing and light, making them ideal for cost-efficient fashion lines and industrial workwear fabrics.
For genuine and synthetic leather applications, our direct dyes provide deep penetration into the fibrous layer. The dye particles distribute evenly across the surface, ensuring that the leather maintains a natural look with high rub-fastness characteristics even under varying climatic conditions.
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 brings 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.
Why do global buyers prioritize Chinese manufacturing bases like Sunrise Chem for their dyestuff requirements? The answer lies in structural efficiencies:
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.
Transforming the dyestuff industry through sustainable chemistry and non-toxic formulation.
The global textile and paper sectors face strict environmental regulations. Standard azo dyes that contain banned aromatic amines are rapidly being phased out. Modern enterprises require colorants that perform exceptionally well while meeting rigorous international environmental standards.
At Sunrise Chem, environmental protection is the cornerstone of our innovation. We dedicate ourselves to providing 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.
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.
By transitioning to ZDHC Level 3 direct dyestuffs, processing mills can reduce the chemical oxygen demand (COD) in their waste treatment streams. This makes it easier to recycle process water, helps avoid local environmental penalties, and reduces overall energy and water consumption during the textile scouring and rinsing phases.
Ensuring delivery consistency and damage-free transportation across global shipping lanes.
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.
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.
High capacity storage system keeping dynamic inventory levels for quick global dispatch.
Automatic high precision drumming facilities for our Direct Red 239 Liquid and related ranges.
Seaworthy palletized loading, shrink-wrapped and secured with straps to prevent moisture penetration.
Secure loading configurations for multi-ton exports, ensuring intact arrival at buyer warehouses.
IBC drums and flexitank loading solutions designed to withstand long ocean transits safely.
Close inspection processes for every export consignment, verifying weight and batch IDs.
Insights from our R&D team on application parameters, storage conditions, and compatibility issues.
Diverse range of high-performance colorants for leather, wood, plastics, and concrete applications.
Premium options for paper mills, leather manufacturers, and global coloring factories.
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.
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.
Industrial sustainability is changing. Environmental regulations require processing units to implement cleaner technologies. Modern systems must adapt to these ecological shifts. By switching to our ZDHC Level 3 certified products, customers can ensure compliance, avoid environmental penalties, and build a greener brand image for their global buyers.
Sunrise Chem continues to invest heavily in modern chemical synthesis research, wastewater reduction technology, and automated manufacturing systems. We invite paper mills, textile houses, and colorant distributors worldwide to join us in establishing a greener, cleaner dyestuff supply chain.
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