Disperse Dyes Indigo Blue SY-Denim from China Suppliers | OEM Factory for Jean and Shoe Dye
📋 Product Attributes
🎨 1. Dye Type
Vat Dyes (Indigo)
🧵 2. Applicable Fiber
Cotton / Cellulosic Blends (Denim Warp Yarns)
🏷️ 3. Color Index Generic Name
Vat Blue 1
⚗️ 4. Physical Form
Granular / Powder
✅ 5. Compliance Certifications
ZDHC Level-3, OEKO-TEX
📦 6. Packaging
25 kg / Iron Drum25 kg / Woven Bag with Inner Liner
| Product Name | O.W.F (%) | Light Fastness | Wash Fastness (Fading) | Wash Fastness (Staining) | Dry Rubbing | Wet Rubbing | pH Range |
|---|---|---|---|---|---|---|---|
| Indigo Blue SY-Denim | 1.5 – 3.0 | 4–5 | 4 | 3–4 | 3–4 | 2–3 | 11.5–12.0 |
📄 Product Description
SHENGYU® Indigo Blue SY-Denim is a premium-grade vat dye specifically formulated for the global denim manufacturing industry. Recognizing the modern demands for both classic aesthetics and environmental responsibility, this dye delivers the iconic deep blue shade with a perfect ring-dyeing effect, ensuring the yarns maintain an undyed core. This unique surface nature allows for superior washdown characteristics, enabling laundries to easily achieve highly sought-after vintage, stone-washed, and enzyme-washed finishes without excessive fabric strength loss.
Operating as an integrated manufacturing and trading enterprise, we guarantee strict quality control from raw material synthesis to the final product. Our SY-Denim series stands out with its Zero Aniline formulation, addressing one of the denim industry's most critical environmental challenges by eliminating toxic aniline by-products. This ensures full compliance with ZDHC Level-3 standards and provides a safer ecosystem for both workers and end-consumers. Furthermore, its excellent reduction stability ensures a constant affinity during continuous slasher or rope dyeing, preventing shade variations or "ending" within the dyed lot.
Operating as an integrated manufacturing and trading enterprise, we guarantee strict quality control from raw material synthesis to the final product. Our SY-Denim series stands out with its Zero Aniline formulation, addressing one of the denim industry's most critical environmental challenges by eliminating toxic aniline by-products. This ensures full compliance with ZDHC Level-3 standards and provides a safer ecosystem for both workers and end-consumers. Furthermore, its excellent reduction stability ensures a constant affinity during continuous slasher or rope dyeing, preventing shade variations or "ending" within the dyed lot.
⭐ Key Features and Performance
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Zero Aniline & Eco-Friendly: Completely free of aniline, reducing water consumption and minimizing the organic load in wastewater, meeting the highest sustainability standards.
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Optimal Ring-Dyeing & Washdown: Engineered for surface-level penetration on cellulosic yarns, facilitating easy dye removal during cellulase enzyme or stone washing treatments to achieve premium faded looks.
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Consistent Shade & Reduction Stability: Maintains uniform dye penetration and affinity at optimal alkaline pH levels (11.5 – 12.0), preventing lot-to-lot color inconsistencies in high-volume continuous dyeing.
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Integrated Manufacturing Advantage: Backed by our integrated manufacturing and trading model, ensuring direct-from-factory pricing, stable supply chains, and dedicated technical support for mill optimization.
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Broad Process Compatibility: Highly adaptable to various industrial set-ups, providing high color yield and rapid oxidation times for maximum efficiency.
🛠️ Technical Support
We have a professional technical team which supports target sample testing from customers around the world. Counter samples will be provided after evaluation. Meanwhile, customization service is available in our factory. What's more, we can also provide pre-shipment samples for new customers during our first cooperation.
📦 Package and Shipment
📫 Package
Packing: 25 kg, 50 kg, 125 kg plastic barrels with pallets
🚢 Shipment
Whether you have your own freight forwarder or you would like us to organize shipment; whether you require delivery FOB to a port in China or CIF to a port near you, we are happy to quote and supply whichever way you choose. Please feel free to discuss all options with us.
Our delivery time: Within 20 days after receipt of T/T or L/C bank copy.
Our delivery time: Within 20 days after receipt of T/T or L/C bank copy.
❓ Frequently Asked Questions
Q What makes SHENGYU® Indigo Blue SY-Denim different from standard indigo dyes?
SY-Denim features a Zero Aniline formulation that eliminates toxic aniline by-products commonly found in conventional indigo dyes. It is certified to ZDHC Level-3 and OEKO-TEX standards, making it a safer and more sustainable choice for both workers and end-consumers while delivering the classic deep blue ring-dyeing effect.
Q Which fiber types and dyeing processes is SY-Denim compatible with?
SY-Denim is specifically designed for cotton and cellulosic blend denim warp yarns. It is highly compatible with both continuous slasher dyeing and rope dyeing processes, offering excellent reduction stability and consistent shade performance across high-volume production runs.
Q What certifications does SHENGYU® Indigo Blue SY-Denim comply with?
The product complies with ZDHC Level-3 and OEKO-TEX certification requirements. These certifications confirm that SY-Denim meets the strictest international standards for restricted substances, environmental responsibility, and consumer safety in the textile supply chain.
Q What packaging options are available and what is the minimum order quantity?
SY-Denim is available in 25 kg iron drums and 25 kg woven bags with inner liners, as well as 50 kg and 125 kg plastic barrels with pallets. Please contact our sales team directly for minimum order quantity details and customized packaging arrangements.
Q How does SHENGYU® support technical requirements and sample requests?
Our professional technical team provides target sample testing services for customers worldwide. Counter samples are provided after evaluation, and customization services are available directly from our factory. For new customers, pre-shipment samples can also be arranged during the first cooperation to ensure quality assurance.
Q What are the shipping options and lead times for orders?
We offer flexible shipping arrangements including FOB (port in China) and CIF (port of destination) terms. Customers may use their own freight forwarder or allow us to organize shipment on their behalf. Standard delivery time is within 20 days after receipt of T/T payment or L/C bank copy confirmation.












