Certifications: ISO 9001:2015
Reactive Blue 21
Category: Reactive Dyes
CI Number: 611650
Chemical Class: Phthalocyanine Dye (Vinyl Sulfone)
Form: Powder
Brilliant Turquoise VS Dye
Reactive Blue 21 is a vinyl sulfone (VS) reactive dye based on a phthalocyanine chromophore. This chemical structure is responsible for its exceptionally brilliant, clean turquoise shade, a colour difficult to achieve with other dye classes. It is a premium choice for dyeing all types of cellulosic fibres where a vibrant, high-impact turquoise is desired. The VS reactive group ensures a high level of fixation and good all-around fastness properties.
Applications- Exhaust Dyeing: The primary choice for brilliant turquoise shades on cotton and viscose.
- Textile Printing: Provides sharp, vibrant prints with high colour value.
- Continuous Dyeing: Suitable for cold-pad-batch and pad-steam methods.
- Paper Colouring: Can be used to dye high-quality specialty papers.
Key Benefits
- Exceptionally brilliant, pure turquoise shade.
- High fixation rate for efficient dyeing.
- Phthalocyanine structure for unique brightness and stability.
- Good all-around fastness properties.
Technical Highlights
- Reactive System: Vinyl Sulfone (VS)
- Tone: Turquoise
- Appearance: Bright Blue Powder
Packaging & Availability
- Supplied in a standardized powder form.
- Standard Packing: 25 kg carton box.
- Customized packaging is available upon request.
