Disperse Brilliant Red
Disperse Brilliant Red is a high-performance disperse dye specifically formulated for synthetic fiber dyeing applications. As a leading manufacturer with decades of experience, we provide premium quality Disperse Brilliant Red that meets international standards for color fastness and consistency.
Product Specifications
- Chemical Name: Disperse Red 60
- CAS Number: 12223-85-7
- Molecular Formula: C20H13NO4
- Appearance: Deep red powder
- Solubility: Excellent dispersion in water
- pH Stability: 4.5-7.0
- Light Fastness: 6-7 (ISO 105-B02)
- Wash Fastness: 4-5 (ISO 105-C06)
Technical Parameters
| Parameter | Value | Test Method |
|---|---|---|
| Dye Content | ≥98% | ISO 105-Z07 |
| Moisture Content | ≤5% | ISO 787-2 |
| Ash Content | ≤1% | ISO 1125 |
| Particle Size | ≤5μm (90%) | ISO 13320 |
| Dispersion Stability | Grade A | ISO 105-Z09 |
Applications
Disperse Brilliant Red is primarily used for dyeing polyester fibers and their blends. It shows excellent performance in:
- Continuous dyeing processes
- High-temperature dyeing (130°C)
- Thermosol processes
- Printing applications
FAQ Section
Q: What is the recommended dyeing temperature for Disperse Brilliant Red?
A: For optimal results, Disperse Brilliant Red should be applied at 130°C for polyester fibers. This temperature ensures maximum dye uptake and color yield. Lower temperatures may result in reduced color depth and uneven dyeing.
Q: How does Disperse Brilliant Red perform in sublimation fastness tests?
A: Disperse Brilliant Red demonstrates excellent sublimation fastness with a rating of 4-5 (ISO 105-P01) when properly fixed. This makes it suitable for applications requiring high heat resistance, such as automotive textiles and workwear.
Q: Can Disperse Brilliant Red be used for nylon dyeing?
A: While primarily formulated for polyester, Disperse Brilliant Red can be used for nylon with modified dyeing parameters. However, we recommend conducting small-scale trials first as color yield and fastness may vary depending on the specific nylon type and dyeing conditions.
Packaging Options
| Package Type | Weight | Special Features |
|---|---|---|
| Plastic Drums | 25kg | Moisture-proof lining |
| Carton Boxes | 5kg | Double-layer protection |
| PE Bags | 1kg | Resealable closure |
Storage & Handling
Store Disperse Brilliant Red in a cool, dry place away from direct sunlight. Maintain temperature below 30°C and relative humidity below 65%. The product has a shelf life of 24 months when stored in original unopened packaging under recommended conditions.
Safety Information
Disperse Brilliant Red should be handled with appropriate personal protective equipment including gloves and dust masks. Avoid inhalation of dust and contact with eyes. In case of accidental exposure, rinse immediately with plenty of water and seek medical advice if irritation persists.
Q: What is the difference between Disperse Brilliant Red and other red disperse dyes?
A: Disperse Brilliant Red offers superior brightness and color purity compared to standard red disperse dyes. Its molecular structure provides better migration properties during dyeing, resulting in more level dyeings with reduced barré effects in textured fabrics.
Q: How should Disperse Brilliant Red be prepared for dyeing?
A: For best results, Disperse Brilliant Red should be pasted with cold water first, then diluted with warm water (40-50°C) while stirring continuously. Maintain a dispersion temperature below 60°C during preparation to prevent premature dye crystallization.
Q: What auxiliaries are recommended for dyeing with Disperse Brilliant Red?
A: We recommend using a pH buffer to maintain 4.5-5.5 during dyeing and a high-quality dispersing agent. For leveling, add 1-2g/L of leveling agent. Reduction clearing after dyeing may be necessary for optimum fastness properties in dark shades.