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

BASF Tinuvin 477 UV Absorber

BASF Tinuvin 477 is a high-performance hindered amine light stabilizer (HALS) from the Tinuvin UV absorber series, offering exceptional long-term UV protection for polyolefins, coatings and engineering plastics. It features low volatility, excellent thermal stability and superior compatibility, ensuring durable color retention and mechanical property preservation under intense sunlight exposure.
  • basf tinuvin 477 uv absorber_42b0bde9
  • basf tinuvin 477 uv absorber_42b0bde9

Features Of BASF Tinuvin 477 UV Absorber

  1. Highly efficient broad-spectrum UV absorption, particularly effective in the critical 320–380 nm range.

  2. Excellent thermal and hydrolytic stability, ensuring consistent performance during high-temperature polymer processing.

  3. Low volatility and superior compatibility with engineering thermoplastics such as polyesters, polycarbonates, and polyacrylates.

  4. Non-migrating molecular structure, minimizing surface blooming and maintaining long-term clarity in transparent applications.

  5. Halogen-free formulation, supporting regulatory compliance and sustainable material design requirements.

Typical Applications Of BASF Tinuvin 477 UV Absorber

  1. Automotive interior components requiring high UV stability and optical clarity (e.g., instrument panels, lighting lenses).

  2. Outdoor architectural glazing and façade systems based on polycarbonate or acrylic sheets.

  3. Transparent electronic enclosures and optical films exposed to ambient sunlight.

  4. Precision optical parts for medical devices and consumer electronics.

  5. High-performance coatings for premium outdoor signage and display materials.

Specifications Of BASF Tinuvin 477 UV Absorber

Chemical TypeBenzotriazole-based UV absorber
Product FormFree-flowing off-white to light yellow crystalline powder
AppearanceCrystalline solid, free of visible impurities
Molecular WeightApprox. 501 g/mol
Melting Point190–195 °C (determined by DSC)
SolubilitySoluble in common organic solvents (e.g., chloroform, THF); low solubility in water
Primary ApplicationsUV stabilization of transparent engineering thermoplastics and high-clarity coatings
Key FeaturesBroad UV absorption, low volatility, halogen-free, non-migrating


Get in Touch with ERICW
Let competitive chemical materials go global.

Your Name *

Your Email *

Your Phone

Country

Your Message *