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

BASF Tinuvin 234 Benzotriazole UV Absorber

BASF Tinuvin 234 is a high-performance benzotriazole-based UV absorber from the Tinuvin series, offering exceptional photostability and broad-spectrum UVA/UVB protection for polymers, coatings, and adhesives. It prevents yellowing and degradation while maintaining clarity and mechanical integrity under prolonged sunlight exposure.
  • basf tinuvin 234 benzotriazole uv absorber_8b21b1ca
  • basf tinuvin 234 benzotriazole uv absorber_8b21b1ca

Features Of BASF Tinuvin 234 Benzotriazole UV Absorber

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

  2. Excellent compatibility with a wide range of polymers including polyolefins, engineering plastics, and coatings.

  3. Good thermal stability up to 250 °C, enabling use in high-temperature processing such as injection molding and extrusion.

  4. Low volatility and minimal migration, ensuring long-term stabilization performance in demanding applications.

  5. Non-discoloring and chemically stable under UV exposure, preserving aesthetic integrity of end products.

Typical Applications Of BASF Tinuvin 234 Benzotriazole UV Absorber

  1. Automotive interior parts (e.g., dashboards, trim, and seating components).

  2. Outdoor polymer profiles and building materials (e.g., window frames, cladding, and roofing membranes).

  3. Coatings for industrial and architectural applications requiring weather resistance.

  4. Plastic packaging for UV-sensitive contents, including agricultural films and specialty containers.

  5. Medical device housings exposed to ambient or sterilization-related UV conditions.

Specifications Of BASF Tinuvin 234 Benzotriazole UV Absorber

Chemical TypeBenzotriazole-based UV absorber
Product FormFree-flowing crystalline powder
AppearanceOff-white to light yellow crystalline solid
Molecular Weight371.4 g/mol
Melting Point138–142 °C
SolubilitySoluble in common organic solvents (e.g., chloroform, THF, hot toluene); insoluble in water
Primary ApplicationsPolyolefins, PVC, ABS, polycarbonate, coatings, adhesives
Key FeaturesUV absorption peak at ~340 nm; low volatility; hydrolytic stability


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