Sulphur Blue BRN ( Sulphur Blue 7 )

1. Product Overview

Sulphur Blue BRN, also known as Sulphur Blue 7, is a sulfur-based dye widely used in the textile and leather industries. This dye is recognized for its deep blue shade, high wash fastness, and cost-effectiveness, making it a preferred choice in international and Indian markets.

2. Key Features

• Rich Blue Shade: Provides deep and uniform coloration.

• High Wash Fastness: Retains color after multiple washes, meeting stringent quality standards.

• Lightfastness: Excellent resistance to fading under sunlight.

• Cost-Effective: Ideal for high-volume production needs.

• Versatility: Applicable across various substrates, including cotton and leather.

3. Technical Specifications

4. Applications

4.1 Textile Dyeing

• Denim Industry: Widely used for achieving vibrant blue shades in denim fabrics, a staple in Indian and global markets.

• Cotton and Viscose: Ensures consistent and high-quality dyeing results for cellulosic fibers.

4.2 Leather Dyeing

• Adds a durable blue finish to leather products, including footwear and bags, popular in India's export market.

4.3 Specialty Paper Dyeing

• Provides unique and decorative blue shades for high-end and specialty papers.

5. Production Process

5.1 Raw Materials

• Sulfur Compounds: Essential for synthesizing the dye.

• Aromatic Compounds: Provide the base structure for the blue chromophore.

• Sodium Sulfide: Used to enhance solubility and dye performance.

5.2 Manufacturing Steps

1. Sulfurization: Aromatic compounds are treated with sulfur to form the dye’s core structure.

2. Oxidation: Enhances stability and improves color performance.

3. Purification and Drying: The dye is refined and processed into powder form.

4. Quality Assurance: Each batch is tested for purity and compliance with C.I. standards.

6. Packaging and Storage

• Packaging Options:

• 25 kg kraft paper bags

• 25 kg iron drums

• Customizable packaging for bulk orders

• Storage Conditions:
  Store in a cool, dry environment away from direct sunlight and humidity.

• Shelf Life:
  Up to 24 months under proper storage conditions.

7. Safety Guidelines

• Avoid inhaling dust or allowing direct contact with skin and eyes.

• Use appropriate personal protective equipment (PPE), such as gloves and goggles.

• Ensure adequate ventilation in dyeing units.

• Refer to the Material Safety Data Sheet (MSDS) for detailed instructions.

8. Why Choose Sulphur Blue BRN from Tianjin Uniwin?

• Global Recognition: Backed by C.I. Number 53160, ensuring international standardization.

• Cost Efficiency: Affordable pricing for high-volume production, especially for Indian textile manufacturers.

• Reliable Supply: Seamless logistics support across India and globally.

• Sustainability Focus: Compliant with eco-friendly production standards, catering to India’s evolving regulatory landscape.

Contact Tianjin Uniwin today to discuss how Sulphur Blue BRN can elevate your production processes.