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

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Light Stabilizer 944 (CAS 70624-18-9) Ultimate Guide for Industrial Buyers

Contents

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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