Table of Contents
- Product Overview
- Technical Specifications & Comparative Analysis
- Industrial Applications
- Implementation Guide
- Client Case Studies
- Contact for Technical Consultation
UV Absorber 2908 (CAS 67845-93-6): Essential Protection Against Photodegradation
A high-performance benzophenone derivative engineered to mitigate UV-induced deterioration in polymer systems. This specialty chemical achieves 97.2% UVB filtration efficiency while maintaining material flexibility.
Technical Specifications
| Parameter | UV Absorber 2908 | UV Absorber 123 | UV Shield 456 |
|---|---|---|---|
| Molecular Formula | C18H16O4 | C15H12O3 | C20H18O5 |
| Molecular Weight | 296.32 g/mol | 240.25 g/mol | 338.35 g/mol |
| Thermal Stability | Up to 320°C | 280°C | 300°C |
| Volatility Index | 0.15 | 0.42 | 0.28 |
Core Industrial Applications
Polymer Protection Systems
Extends service life of engineering plastics by 40-60% in outdoor applications through:
- Radical scavenging mechanism
- Non-yellowing protection
- Hydroperoxide decomposition
Advanced Coating Solutions
Enables 5+ year durability for automotive clearcoats with:
- 98% gloss retention
- <2 ΔE color change
- Chemical resistance to automotive fluids
Optimal Usage Parameters
| Application | Loading Rate | Synergistic Additives |
|---|---|---|
| Polycarbonate | 0.3-0.5% | Phosphite stabilizers |
| Automotive Coatings | 1.2-1.8% | HALS compounds |
| PVC Films | 0.6-0.9% | Epoxidized soybean oil |
Documented Client Successes
Case Study 1: PolyGuard Solutions
Challenge: 18-month UV failure in agricultural greenhouse films
Solution: 0.7% UV 2908 + 0.2% Ni quencher
Result: 36-month field durability with <5% tensile strength loss
Case Study 2: Coating Innovators Ltd.
Challenge: Coating delamination on solar panel frames
Solution: 1.5% UV 2908 in PVDF matrix
Result: Passed 3,000 hr QUV-B testing with ISO 16474-3 compliance
Technical Consultation & Sampling
Our material scientists provide application-specific formulation support:
Email: info@vivalr.com
Tel: (86) 15866781826
Request SDS documentation and formulation guides.
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