Premium Quality Vat Dye for Textile Professionals
Vat dye represents one of the most durable and colorfast dye options available for natural fibers. Our premium vat dyes provide exceptional performance with outstanding shade reproducibility across various textile applications.
Key Features of Our Vat Dye Products:
- Superior colorfastness to washing (4-5 on ISO scale)
- Excellent lightfastness (6-7 on Blue Wool Scale)
- High exhaustion rates (85-95%)
- Low salt consumption during dyeing process
- Environmentally compliant formulations
- Available in powder and liquid forms
- Compatible with most cellulose fibers
Technical Specifications:
| Parameter | Specification |
|---|---|
| Particle Size | 90% passing 80 mesh |
| Moisture Content | ≤5% |
| Water Solubility | ≥95% in standard conditions |
| pH Value (1% solution) | 7.0±0.5 |
| Storage Stability | 24 months in original packaging |
| Heavy Metal Content | Below EU REACH requirements |
Application Guidelines:
For optimal results with vat dye, follow these recommended application parameters:
- Dyeing temperature: 50-60°C for light shades, 60-70°C for medium shades
- pH range: 10.5-11.5 (adjusted with sodium carbonate)
- Liquor ratio: 1:10 to 1:20 (fabric to water ratio)
- Reducing agent: Sodium hydrosulfite (2-5 g/l depending on shade depth)
- Dyeing time: 45-60 minutes after reaching desired temperature
- Oxidation: Atmospheric or with hydrogen peroxide
Vat Dye Color Chart
| Color Index Name | Shade | Recommended Uses |
|---|---|---|
| Vat Blue 1 | Medium Navy Blue | Denim, workwear, upholstery |
| Vat Green 1 | Olive Green | Military fabrics, outdoor textiles |
| Vat Orange 7 | Bright Orange | Safety clothing, decorative fabrics |
| Vat Black 27 | Jet Black | Formal wear, automotive textiles |
| Vat Violet 1 | Deep Violet | Fashion fabrics, home textiles |
Vat Dye FAQ
What makes vat dye different from other dye types?
Vat dye is unique due to its insolubility in water in its oxidized form and its ability to develop full color shades only after the reduction and oxidation process. This chemical characteristic gives vat dyes their renowned colorfastness properties, making them superior for applications requiring durability against washing, light exposure, and bleaching compared to direct dyes or reactive dyes.
How should I store vat dye to maintain its quality?
Vat dye should be stored in its original packaging in a cool, dry place away from direct sunlight. Maintain storage temperatures between 5-30°C with relative humidity below 65%. The storage area should be well-ventilated and free from oxidizing agents. When properly stored, most vat dyes maintain their dyeing properties for at least two years from the production date.
Can vat dye be used for polyester or synthetic fibers?
Traditional vat dyes are primarily designed for cellulose fibers like cotton, linen, and rayon. While they can provide some coloration to certain synthetic blends, the results are typically inferior to dyes specifically formulated for synthetics. For polyester and other synthetic fibers, we recommend using disperse dyes which are specifically engineered to bond with these fiber types and provide better color fastness.
Comparative Advantages of Vat Dye
When selecting vat dye for your textile operations, consider these benefits:
- Unmatched wash fastness - withstands 50+ industrial washes with minimal fading
- Superior crocking resistance - ideal for upholstery and automotive fabrics
- Excellent compatibility with subsequent finishing processes
- Available in a wide range of standardized shades for consistency
- Reduced environmental impact compared to some alternative dye classes
Safety and Handling Information
While vat dye is generally safe when handled properly, we recommend these precautions:
- Use appropriate PPE (gloves, goggles, dust mask) when handling powder forms
- Store away from strong oxidizers and reducing agents
- Ensure good ventilation in dyeing areas
- Follow local regulations for waste disposal of dye baths
- Keep material safety data sheets readily available
Ordering Information
Our vat dye products are available in multiple packaging options to suit different production scales:
- 500g samples for testing and small batches
- 25kg bags for medium production runs
- 500kg bulk containers for large-scale operations
- Custom formulations available for specific applications
Additional Technical Support
Our technical team provides comprehensive support for vat dye applications:
- Shade matching services
- Process optimization assistance
- Troubleshooting for dyeing issues
- Training programs for dyehouse personnel
- Technical documentation and application guides