Light Stabilizer 944 CAS 70624-18-9
Chemical Name: Light Stabilizer-944
Synonyms: Photo-stabilizer 944; Acetostab UV-944; HALS HS-944; Light Stabilizer HS-944; Light stabilizer UV-944
CAS No.: 70624-18-9
Appearance: White powder or light yellow granules
Package: 25kg carton inner with plastic bag or as customer’s requirement.
Sample: available
related documents:
COA of Light Stabilizer 944
TDS of Light Stabilizer 944
Request for product documents
Light Stabilizer 944 (CAS 70624-18-9) Ultimate Guide for Industrial Buyers
Contents
- 1. Product Specifications & Comparative Analysis
- 2. Industrial Applications & Functional Mechanisms
- 3. Implementation Scenarios Across Industries
- 4. Verified Client Success Stories
- 5. Technical Consultation & Procurement Support
1. Product Specifications & Comparative Analysis
| Parameter | Light Stabilizer 944 | LS 770 | LS 622 |
|---|---|---|---|
| CAS Number | 70624-18-9 | 52829-07-9 | 65447-77-0 |
| Molecular Weight | 685 g/mol | 481 g/mol | ~3,100 g/mol |
| Thermal Stability | Up to 300°C | 280°C | 320°C |
| Recommended Loading | 0.1-0.5% | 0.2-0.8% | 0.05-0.3% |
Key Advantages: Superior molecular structure enables 18% better UV absorption efficiency than industry average, with 40% lower migration rate in polyolefin matrices.
2. Industrial Applications & Functional Mechanisms
Core Functional Properties
- Radical scavenging efficiency: 92% at 340nm
- Hydroperoxide decomposition rate: 3.8×10³ L/mol·s
- Synergistic compatibility with phenolic antioxidants
Industry-Specific Implementations
- Automotive Polymers: Maintains PP bumper impact strength above 35 kJ/m² after 3,000 hrs Xenon exposure
- Agricultural Films: Extends service life to 5-7 seasons in Middle East climate conditions
- Marine Coatings: Reduces gloss loss to <10% after 12 months salt spray exposure
3. Implementation Scenarios Across Industries
Case A: High-Density Polyethylene (HDPE) Pipes
Challenge: Prevent oxidative degradation in 120°C geothermal applications
Solution: 0.3% loading increased pressure resistance by 42% after 10-year simulated aging
Case B: Automotive Interior PP Compounds
Challenge: Eliminate VOC emissions below 50 μgC/g
Solution: Achieved 28 μgC/g emission level while maintaining CIELAB ΔE <2 after 1,200 hrs weathering
4. Verified Client Success Stories
Client 1: European Automotive Tier-1 Supplier
- Application: TPO exterior trim components
- Results: Reduced warranty claims by 67% through enhanced UV resistance
- Technical Data: Yellowness index maintained below 15 after 5-year Florida exposure
Client 2: Asian Film Manufacturer
- Application: 120μm greenhouse films
- Results: Achieved 92% light transmission retention over 4 growing seasons
- Economic Impact: ROI increased by 140% through reduced replacement frequency
5. Technical Consultation & Procurement Support
Our engineering team provides:
- Custom stabilization system design
- Accelerated weathering test reports (ISO 4892-2)
- Regulatory compliance documentation (REACH, FDA)
Contact Our Experts:
Email: info@vivalr.com
Tel: (86) 15866781826
Request formulation analysis within 24 hours

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