UV Absorber 312 – High Performance Oxalanilide UV Stabilizer

UV absorber 312 uv312
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%
uv312 structural
uv312 absorption curve

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
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