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

Rianox RIANOX UV-1130 Benzotriazole UV Absorber

Rianox RIANOX UV-1130 is a high-performance benzotriazole-based UV absorber from Rianox’s specialty additives portfolio, offering exceptional photostability and thermal resistance for polymers, coatings, and adhesives. It effectively prevents UV-induced degradation, yellowing, and mechanical property loss while maintaining clarity and compatibility in demanding applications.
  • rianox rianox uv 1130 benzotriazole uv absorber_a5942f63
  • rianox rianox uv 1130 benzotriazole uv absorber_a5942f63

Features Of Rianox RIANOX UV-1130 Benzotriazole UV Absorber

  1. High photostability under prolonged UV exposure, ensuring long-term protection in demanding outdoor applications.

  2. Excellent compatibility with a broad range of polymers including polyolefins, ABS, polycarbonate, and engineering thermoplastics.

  3. Low volatility and minimal migration, maintaining UV absorption performance without surface blooming or haze formation.

  4. Thermally stable up to 280 °C, enabling safe use in high-temperature processing such as extrusion and injection molding.

  5. Non-discoloring formulation—preserves original color integrity and clarity in transparent and pigmented systems.

Typical Applications Of Rianox RIANOX UV-1130 Benzotriazole UV Absorber

  1. Automotive interior and exterior plastic components (dashboards, bumpers, trim).

  2. Outdoor construction materials including PVC profiles, window frames, and cladding panels.

  3. Consumer electronics housings requiring optical clarity and weather resistance.

  4. Agricultural films and greenhouse coverings exposed to intense solar radiation.

  5. Coatings and clear lacquers for wood, metal, and plastic substrates.

Specifications Of Rianox RIANOX UV-1130 Benzotriazole UV Absorber

Chemical TypeBenzotriazole-based UV absorber
Product FormFree-flowing off-white crystalline powder
AppearanceWhite to light yellow crystalline solid
Molecular WeightApprox. 349 g/mol
Melting Point158–162 °C
SolubilitySoluble in common organic solvents (e.g., chloroform, THF, hot xylene); low solubility in water
Primary ApplicationsPolymer stabilization, clear coatings, automotive plastics, agricultural films
Key FeaturesUV-A/UV-B absorption (290–400 nm), hydrolytic stability, low extractability


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