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

Eversorb EVERSORB 71 Benzotriazole UV Absorber

Eversorb EVERSORB 71 is a high-performance benzotriazole-based UV absorber from Everlight Chemical’s Eversorb series, offering exceptional photostability and thermal resistance for polymers, coatings, and adhesives. It effectively absorbs UV radiation (290–400 nm), preventing degradation and yellowing while maintaining clarity and mechanical properties in demanding applications.
  • eversorb eversorb 71 benzotriazole uv absorber_5c9d2fdc
  • eversorb eversorb 71 benzotriazole uv absorber_5c9d2fdc

Features Of Eversorb EVERSORB 71 Benzotriazole UV Absorber

  1. Highly effective UV absorption in the 290–380 nm range, providing robust photostabilization for sensitive polymer systems.

  2. Excellent compatibility with common thermoplastics including polyolefins, ABS, and engineering resins.

  3. Low volatility and superior thermal stability up to 280 °C, minimizing loss during high-temperature processing.

  4. Non-discoloring performance—maintains clarity and color fidelity in transparent and light-colored applications.

  5. Good hydrolytic stability, ensuring consistent performance in humid or outdoor exposure conditions.

Typical Applications Of Eversorb EVERSORB 71 Benzotriazole UV Absorber

  1. Automotive interior components (dashboards, trim, instrument panels).

  2. Outdoor building & construction materials (window profiles, cladding, roofing membranes).

  3. Packaging films requiring long-term UV resistance (e.g., agricultural mulch films, specialty laminates).

  4. Consumer electronics housings exposed to indoor ambient UV and fluorescent lighting.

  5. Coatings for plastic substrates where gloss retention and yellowing resistance are critical.

Specifications Of Eversorb EVERSORB 71 Benzotriazole UV Absorber

Chemical TypeBenzotriazole derivative
Product FormFree-flowing off-white crystalline powder
AppearanceWhite to pale yellow crystalline solid
Primary ApplicationsUV stabilization of thermoplastics and coatings
Key FeaturesHigh UV absorbance, low volatility, non-migrating
BenefitsExtended service life, reduced photo-yellowing, improved weatherability
SolubilitySoluble in common organic solvents (e.g., toluene, THF, chloroform); insoluble in water
Storage ConditionsStore in cool, dry place below 30 °C in original sealed packaging


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