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

BASF Tinuvin 479 UV Absorber

BASF Tinuvin 479 is a high-performance benzotriazole-based UV absorber offering exceptional photostability and thermal resistance. Designed for demanding polymer applications like automotive coatings and engineering plastics, it provides long-term protection against UV-induced degradation while maintaining clarity and color stability. Its low volatility and excellent compatibility ensure consistent performance in high-temperature processing environments.
  • basf tinuvin 479 uv absorber_22ab26c9
  • basf tinuvin 479 uv absorber_22ab26c9

Features Of BASF Tinuvin 479 UV Absorber

  1. Highly effective broad-spectrum UV absorption in the 300–400 nm range.

  2. Excellent thermal and hydrolytic stability for demanding processing conditions.

  3. Low volatility and minimal migration, ensuring long-term performance in thin films and coatings.

  4. Good compatibility with a wide range of polymers including polyolefins, styrenics, and engineering plastics.

  5. Non-discoloring and chemically inert, preserving substrate clarity and color fidelity.

Typical Applications Of BASF Tinuvin 479 UV Absorber

  1. Automotive interior components (e.g., instrument panels, trim, airbag covers).

  2. Packaging films for pharmaceuticals and premium consumer goods requiring UV-sensitive content protection.

  3. Outdoor architectural coatings and industrial maintenance paints.

  4. Thin-gauge polypropylene and polyethylene films used in agricultural and geomembrane applications.

  5. Transparent polycarbonate glazing and light-diffusing sheets for lighting systems.

Specifications Of BASF Tinuvin 479 UV Absorber

Chemical TypeBenzotriazole derivative
Product FormFree-flowing off-white to pale yellow crystalline powder
AppearanceCrystalline solid, free of visible impurities
Primary ApplicationsPolyolefins, styrenics, polycarbonate, coatings, and films
Key FeaturesBroad UV absorption, low volatility, high photostability
BenefitsExtended service life, reduced surface cracking/yellowing, improved weather resistance
SolubilitySoluble in common organic solvents (e.g., toluene, xylene, THF); insoluble in water
Storage ConditionsStore in original unopened containers at <25 °C, protected from moisture and direct sunlight


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