Guangzhou Eric Wei Chemical Co., Ltd.
Guangzhou Eric Wei Chemical Co., Ltd.

Sunshow Sunsave 5519 Benzotriazole UV Absorber

Sunshow Sunsave 5519 is a high-performance benzotriazole-based UV absorber from Sunshow’s Sunsave series, offering exceptional photostability and thermal resistance for polymers, coatings, and adhesives. It effectively absorbs UV radiation (290–400 nm), preventing yellowing and degradation while maintaining clarity and mechanical integrity in demanding applications.
  • sunshow sunsave 5519 benzotriazole uv absorber_5c5940eb
  • sunshow sunsave 5519 benzotriazole uv absorber_5c5940eb

Features Of Sunshow Sunsave 5519 Benzotriazole UV Absorber

  1. Highly effective UV absorption in the 290–400 nm range, providing broad-spectrum protection against photodegradation.

  2. Excellent thermal and hydrolytic stability, ensuring consistent performance during high-temperature processing and long-term service life.

  3. Low volatility and minimal migration, maintaining UV protection efficacy in demanding polymer matrices over time.

  4. Good compatibility with polyolefins, engineering plastics, and coatings without compromising mechanical properties or clarity.

  5. Non-discoloring formulation—retains substrate color integrity and transparency even after prolonged UV exposure.

Typical Applications Of Sunshow Sunsave 5519 Benzotriazole UV Absorber

  1. Polypropylene (PP) and polyethylene (PE) automotive interior components.

  2. Outdoor plastic furniture and garden products exposed to direct sunlight.

  3. Transparent polycarbonate (PC) glazing and lighting covers.

  4. Water-based and solvent-based architectural and industrial coatings.

  5. UV-stabilized agricultural films and greenhouse coverings.

Specifications Of Sunshow Sunsave 5519 Benzotriazole UV Absorber

Chemical TypeBenzotriazole derivative
Product FormFree-flowing light yellow to pale amber crystalline powder
AppearanceOff-white to light yellow crystalline solid
Molecular Weight (approx.)337 g/mol
Melting Point145–149 °C
SolubilitySoluble in common organic solvents (e.g., chloroform, THF, hot xylene); low solubility in water
Primary ApplicationsPlastics, coatings, adhesives, and elastomers requiring UV stabilization
Key FeaturesUV absorber with synergistic potential for HALS-based stabilization systems


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