Explore our premium selection of industrial-grade synthetic colorants formulated for global export, meeting rigorous GOTS and ZDHC Level 3 compliance guidelines.
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. We serve global clients across diverse sectors including denim manufacturing, textile processing, leather tanning, paper mills, and plastics production.
We highly focus on product quality and stability. Every batch is subject to rigorous testing before dispatching to the port. Our alignment with ZDHC Level 3 and GOTS (Global Organic Textile Standard) certifications ensures your quality and compliance criteria are fully met.
Sulphur Khaki (derived through advanced thionation of specific aromatic amine intermediates) stands as a foundational colorant for heavy-duty industrial fabrics, tactical military apparel, and high-performance denim.
Sulphur Khaki dyes are complex macromolecular structures containing disulfide (S-S) linkages. Under reduction conditions, these linkages cleave into soluble leuco compounds, penetrating deeply into cellulosic fibers before oxidized back to their highly stable insoluble pigment state.
Widely applied in North American workwear industries, European military uniforms, and South Asian denim mills. The unmatched light-fastness and washing durability make it the premier choice for textiles exposed to harsh environmental friction.
Compared to reactive and vat dyes, Sulphur Khaki delivers superior color depth (build-up property) at a fraction of the cost, driving down chemical input expenses in high-volume textile production.
The traditional synthesis of Sulphur Khaki dyes relied heavily on sodium polysulfide fusions. At Tianjin Sunrise Chem Group, we have re-engineered this pathway. By using catalytic thionation, we reduce free sulfide by-products, rendering the final powder highly filterable and drastically reducing the Chemical Oxygen Demand (COD) in textile mill effluents.
Our research lab has successfully integrated low-sulfide liquid variants, allowing mills to operate with glucose-based reducing agents instead of standard sodium hydrosulfite. This breakthrough limits corrosion on machinery and aligns factory emissions with strict Environmental Protection Agency guidelines globally.
We pride ourselves on offering customized solutions. Our team of experts works closely with clients to understand their unique processing parameters, customizing pH stability profiles to fit continuous pad-dyeing processes or exhaust-dyeing machines.
Operating from the industrial hub of Tianjin, China, we leverage comprehensive supply chains and advanced logistics to secure raw materials and maintain consistent production.
Located adjacent to Tianjin Port, one of China's primary deep-water shipping gateways. This allows us to cut inland transit times and dispatch shipments rapidly, mitigating international ocean freight delays.
We maintain long-term partnerships with raw material chemical plants, ensuring a stable supply of sulfur, sodium sulfide, and aromatic intermediates even during periods of regulatory environmental restrictions.
Our modern production reactors are equipped with automated DCS controls, ensuring consistent reaction temperatures and minimizing variance between batches to preserve customer dye recipes.
Our global footprint spans across key textile manufacturing regions, supported by efficient container loading and warehouse practices.
With years of experience, we have successfully established strong partnerships in many countries. Cooperating with textile and paper mills for many years shows that our 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.
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.
A transparent glimpse into our high-volume warehousing, logistics capabilities, and large-scale bulk cargo dispatches.
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.
Our chemicals are engineered to meet global ecological benchmarks. ZDHC and GOTS certifications represent the core of our sustainable development path.
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 Level 3 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.
Deep technical answers to assist dye chemistry engineers and procurement specialists during sourcing.
Sulphur Khaki is synthesized via the thionation (sulfurization) of aromatic intermediates, primarily including amino-phenols and meta-diamines. The resulting polymer has a complex structure linked by sulfide and polysulfide bridges, providing excellent dye stability and fastness properties.
ZDHC Level 3 ensures that all chemical formulations are evaluated and certified to not contain restricted substances, guaranteeing compliance with modern eco-regulations. GOTS certification assures that our colorants are safe for organic textiles, which simplifies the environmental audit process for international buyers.
Since sulphur dyes are insoluble in water, they must be converted into their soluble leuco form using a reducing agent. Good solubility prevents tailing and specking, which is vital for achieving even color distribution in high-speed, continuous pad-steam operations.
We employ strict laboratory protocols where raw materials and final batches are tested using modern spectrophotometers and chromatography instruments. This ensures that every shipment matches our reference standards within tight tolerance margins (Delta E < 0.5).
While sodium sulfide is traditional, modern eco-friendly operations use alkaline glucose systems, thiourea dioxide, or hydrosulfite blends. These alternatives minimize sulfur odors and reduce the sulfide concentration in wastewater, helping plants comply with local discharge permits.
Yes, it is often blended with Sulphur Black and Sulphur Brown to create custom earth-tone variations for heavy denim, canvas, and outdoor gear. We provide customized formulation matching services at our Tianjin R&D facility to meet specific shade targets.
We offer flexible packaging configurations including 25kg multi-layer paper bags, 25kg iron drums, or 500kg super sacks (jumbo bags). All packaging is designed to prevent moisture absorption and withstand long ocean transits.
Due to our close proximity to Tianjin Port, we can pack, clear customs, and load containers within 7 to 10 days of order confirmation. Transit times to Southeast Asian ports like Ho Chi Minh City or Chittagong typically range from 12 to 18 days.
Our chemical portfolio serves diverse industrial applications, including high-performance leather dyes, paper coloration agents, and solvent-based resins.
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