Optical Brightener (Plastics) - Polymer Additive
Polymer Brightener
Polymer Additive

Optical Brightener (Plastics)

Premium optical brightener engineered for demanding plastic applications including whiteness enhancement, fluorescent whitening, and brightness improvement. Our high-performance agent delivers exceptional optical effects, consistent performance, and reliable supply for critical polymer manufacturing processes requiring superior brightness control with stringent quality control standards.

  • 350-400 nm Wavelength Range
  • 99.0% Minimum Purity
  • Superior Brightening Effect
  • Fluorescent Whitening
  • UV Absorption Properties
  • Polymer Grade Quality

Technical Specifications

Chemical Type: Stilbene-based Optical Brightener
CAS Number: 7128-64-5
Chemical Formula: C₂₈H₂₀N₂O₆S₂Na₂
Purity: ≥ 98.0% (Polymer Grade)
Physical State: Yellow crystalline powder
Molecular Weight: 622.6 g/mol
Melting Point: >300°C
Maximum Absorption: 348-352 nm
Fluorescence Emission: 430-440 nm
Thermal Stability: Up to 280°C
UV Stability: Excellent
Recommended Dosage: 10-50 ppm
Solubility: Dispersible in polymer melts
Shelf Life: 36 months
Packaging Options: 25kg drums, 500kg big bags

Applications

Synthetic Fibers
Plastic Films
Injection Molded Parts
Household Plastics
Plastic Coatings
Bio-based Polymers

Industry-Specific Grades

DRAVYOM offers specialized optical brightener grades tailored for different plastic applications, ensuring optimal whiteness and brightness enhancement.

Film Grade
Dispersion: Excellent Migration Resistance: High Clarity: Maintained Application: Plastic films
Fiber Grade
Thermal Stability: Enhanced Sublimation: Resistant Color Fastness: Excellent Application: Synthetic fibers
Molding Grade
High Temperature: Stable Processing: Easy Uniform Distribution: Yes Application: Injection molding
General Grade
Cost Effective: Optimized Versatile: Multi-purpose Performance: Reliable Application: General plastics

Quality Standards

DRAVYOM's Optical Brightener is manufactured under strict quality control protocols, meeting international polymer additive standards for plastic whitening applications.

ISO 9001:2015 Certified
Polymer Grade Standards
≥ 98.0% Active Content
UV Stability Certified
Thermal Stability Testing
Optical Performance Verified
Performance Documentation
Industrial Scale Production

Advanced Chemical Properties & Performance

Poly Grade Optical Brightener exhibits exceptional chemical properties essential for plastic enhancement applications. Its ultra-pure composition and fluorescent structure ensure reliable performance in demanding polymer processing and optical enhancement procedures.

Fluorescent Properties
Molecular Weight: Variable (polymer grade)
Melting Point: 220-250°C
Absorption Max: 350-370 nm
Emission Max: 430-450 nm
Processing Properties
Processing Temperature: 180-280°C
Thermal Stability: Excellent up to 300°C
Dispersion: Excellent in polymer melts
Migration Resistance: Low migration tendency
Optical Performance
Quantum Yield: High fluorescence efficiency
Whiteness Index: Significant enhancement
UV Absorption: Strong UV-A range
Light Fastness: Excellent stability
Purity Specifications
Active Content: ≥98.0%
Moisture Content: ≤0.5%
Ash Content: ≤0.2%
Heavy Metals: ≤10 ppm
Stability Properties
Shelf Life: 2 years (proper storage)
UV Stability: Excellent light resistance
Chemical Stability: Stable under processing
Storage Conditions: Cool, dry, dark

Performance Characteristics

Detailed performance metrics demonstrate Poly Grade Optical Brightener superiority in plastic applications with exceptional optical enhancement, thermal stability, and reliable performance across diverse polymer processing conditions.

Optical Purity

Purity: ≥98.0% active fluorescent content

Superior optical enhancement grade
Fluorescence Efficiency

Performance: High quantum yield fluorescence

Maximum whiteness enhancement
Thermal Stability

Stability: Excellent up to 300°C processing

Reliable polymer processing
Processing Performance

Range: 180-280°C processing window

Versatile application compatibility
Dispersion Quality

Distribution: Excellent polymer melt dispersion

Uniform optical enhancement
Long-term Stability

Duration: 2 years shelf life

Extended plastic enhancement performance

Safety Information

Low toxicity optical brightener requiring standard industrial hygiene practices. May cause mild dust irritation if handled improperly. Handle with appropriate protective equipment including dust masks, safety goggles, and protective clothing. Use adequate ventilation during processing operations.

Mild Irritant
Dust Precaution
Eye Protection

Storage & Handling

Store in original containers in a cool, dry, dark place away from direct sunlight and moisture. Keep containers tightly closed when not in use. Handle with standard industrial precautions and ensure adequate ventilation to prevent dust accumulation during processing operations.

Cool storage (15-25°C)
Protect from light
Moisture protection
Adequate ventilation

Chemical Mechanisms & Reaction Pathways

Optical brightener mechanisms provide enhanced whiteness through UV light absorption and visible light emission, creating superior color appearance and brightness in plastic applications.

Fluorescence Mechanism

UV absorption (350-400nm) with visible light emission (420-470nm)

Enhanced brightness and whiteness
Light Interaction

Photon absorption and re-emission at longer wavelengths

Improved color perception and vibrancy
Polymer Integration

Molecular dispersion with thermal stability during processing

Consistent optical performance
Concentration Effects

Optimized loading levels for maximum brightening efficiency

Cost-effective brightness enhancement

Regulatory Compliance & Documentation

Comprehensive regulatory compliance ensures safe use in plastic applications with complete documentation packages supporting food contact regulations and consumer safety requirements.

Food Contact Standards

FDA and EU compliance for food packaging applications

Industrial Standards

REACH registration and polymer additive compliance

Safety Compliance

Occupational safety and health administration compliance

Global Registration

International chemical registration and inventory compliance

Documentation

Complete safety data sheets and optical performance data

Transportation

Safe transportation protocols for optical chemicals

Technical Support & Value-Added Services

DRAVYOM's optical enhancement support team provides comprehensive guidance, color optimization, and technical expertise to optimize brightener performance in plastic applications.

Color Optimization
  • Brightener selection and dosage optimization
  • Color matching and enhancement
  • Whiteness index improvement
  • Optical performance testing
Processing Services
  • Thermal stability assessment
  • Processing condition optimization
  • Dispersion quality evaluation
  • Quality control testing
Testing Services
  • Whiteness index measurement
  • UV stability assessment
  • Migration testing for food contact
  • Long-term performance evaluation
Supply Solutions
  • Custom packaging options
  • Just-in-time delivery
  • Technical consultation
  • Inventory management

Environmental Impact & Sustainability

Our optical brightener production emphasizes environmental responsibility through efficient manufacturing practices, waste minimization, and comprehensive environmental impact management.

Waste Minimization

Efficient production with reduced waste generation

Sustainable Chemistry

Green chemistry principles in brightener development

Clean Production

Energy-efficient manufacturing with emission controls

Safe Disposal

Environmentally responsible disposal guidelines

Environmental Standards

ISO 14001 environmental management compliance

Packaging Programs

Sustainable packaging and container recycling programs

Manufacturing Excellence & Quality Control

DRAVYOM's advanced manufacturing facility employs state-of-the-art production technology and stringent quality monitoring systems to ensure consistent optical brightener quality and performance.

Production Process

Advanced synthesis with controlled purity and particle size distribution

Optimized for superior optical performance
Quality Testing

Comprehensive testing including whiteness index, thermal stability, and fluorescence efficiency

Rigorous optical performance validation
Quality Systems

ISO 9001:2015 quality management with food contact compliance

Consistent manufacturing excellence
Packaging Standards

Light-protected packaging with moisture control and contamination prevention

Preserving optical effectiveness

Market Applications & Performance Data

Comprehensive performance data demonstrating optical brightener effectiveness across diverse plastic applications with validated whiteness enhancement and real-world performance success.

Food Packaging
Whiteness Index: 40-60 point improvement Migration Compliance: <10 ppb in food simulants UV Stability: 500+ hours without degradation
Consumer Products
Color Enhancement: 25% improvement in brightness perception Processing Stability: >250°C thermal resistance Dosage Efficiency: 0.01-0.05% effective loading
Industrial Applications
Cost Effectiveness: 50% reduction in brightening costs Weather Resistance: 1000+ hours outdoor exposure Chemical Compatibility: Excellent with all polymer types

DRAVYOM Competitive Advantages

Optical Excellence

Superior brightening performance with optimized fluorescence efficiency

Quality Assurance

Advanced analytical capabilities ensuring consistent optical performance

Technical Innovation

Cutting-edge optical chemistry with superior stability characteristics

Supply Reliability

Consistent availability with specialized packaging for optical preservation

Color Partnership

Comprehensive color optimization support and application development

Food Contact Approved

Full regulatory compliance for food packaging applications