1. Product Overview & Technical Specifications

Basic Yellow 28 Technical Parameters

Key Differentiators: Superior lightfastness (Grade 6-7 on ISO 105-B02) compared to alternatives (Grade 4-5). Higher affinity for acrylic fibers with 98% exhaustion rate.

2. Industrial Applications & Functional Advantages

Core Application Sectors:

• Textile Industry: Premium dyeing of acrylic fibers (85-95°C optimal temperature range)
• Paper Manufacturing: High-precision color matching for specialty papers
• Biological Staining: Microscopy applications with 0.5-1.0% w/v concentration

Performance Advantages:

• 85% higher color retention after 50 wash cycles (AATCC Test Method 61)
• Reduced energy consumption: 15-20% lower dyeing temperature requirements
• Compliant with REACH Annex XVII (EC 1907/2006)

3. Operational Guidelines & Best Practices

Dyeing Protocol (Textile Application):

1. Prepare dye bath at 40°C with 1:15 liquor ratio
2. Adjust pH to 4.5-5.0 using acetic acid
3. Maintain 90°C ±2°C for 45 minutes
4. Rinse with gradual temperature reduction (2°C/min)

Safety Parameters:

• LD50 (Oral, Rat): >2000 mg/kg
• Flash Point: Non-flammable
• Storage: Maintain below 30°C in sealed containers

4. Case Studies & Implementation Scenarios

Case 1: Automotive Textile Manufacturing

Challenge: Achieve UV-resistant coloration for car seat fabrics (ISO 105-B04 Standard)

Solution: 2.5% owf Basic Yellow 28 with UV stabilizer additive

Outcome: 300% improvement in color retention after 1000h xenon arc exposure

Case 2: Security Paper Production

Challenge: Create tamper-evident fluorescent marking

Solution: 0.3% Basic Yellow 28 in combination with rare-earth oxides

Outcome: 99.8% machine-readable accuracy under UV verification

5. Client Success Stories

Textile Manufacturer: Guangdong Elite Fibers Co., Ltd.

• Annual Consumption: 12 metric tons
• Application: High-visibility workwear production
• Results: Reduced dye consumption by 22% while meeting EN 471:2003 standards

Paper Producer: Nordic Security Papers AB

• Implementation: Banknote security threads
• Technical Benefit: Achieved ΔE < 0.5 color consistency across production batches
• Economic Impact: 18% reduction in quality rejection rates

6. Professional Consultation & Ordering

Contact our dye chemistry specialists for:

• Custom formulation services
• Batch testing protocols
• Regulatory compliance documentation

Contact Information:
Email: info@vivalr.com
Tel: (86) 15866781826

Request Technical Documentation:

• MSDS (Revision 2024-08)
• Ecotoxicity Report (OECD 301D)
• Industrial Application White Paper