UV Absorber 312 – High Performance Oxalanilide UV Stabilizer

UV Absorber 312 (UV-312) is an oxanilide-based high-efficiency UV absorber. It features low discoloration, high temperature resistance, and excellent compatibility, making it ideal for PVC, coatings, powder coatings, and automotive applications.
- Oxalanilide-based UV absorber
- Low discoloration & high weatherability
- Excellent for rigid & flexible PVC
- Suitable for solvent-borne and powder coatings
- Good thermal stability
- High purity ≥99%
- Low volatility and long-term efficiency
Typical Specifications
- Appearance: White crystal powder
Cas No: 23949-66-8
- Assay: ≥99%
- Melting point: 124–127℃
- Transmittance 460nm: ≥95%
- Transmittance 500nm: ≥97%
- Loss on drying: ≤0.5%


Main Applications
PVC Products
Rigid and flexible PVC profiles, sheets, films.
Coatings
Powder coatings, automotive coatings, industrial and architectural coatings.
Polymers & Plastics
Unsaturated polyester and other UV-sensitive materials.
Why Choose Nichwell UV Absorber 312?
- High purity ≥99%
- Low discoloration
- Excellent thermal stability
- Wide compatibility
- Stable supply and fast delivery