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

BASF Tinuvin 400 UV Absorber

BASF Tinuvin 400 is a high-performance benzotriazole-based UV absorber from the Tinuvin series, offering exceptional photostability and broad-spectrum UV protection for polymers. It prevents photochemical degradation in coatings, plastics, and adhesives while maintaining clarity and color stability under prolonged sunlight exposure.
  • basf tinuvin 400 uv absorber_9f2ed91a
  • basf tinuvin 400 uv absorber_9f2ed91a

Features Of BASF Tinuvin 400 UV Absorber

  1. High-performance benzotriazole-type UV absorber with exceptional photostability in demanding outdoor applications.

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

  3. Low volatility and high thermal stability enable processing at elevated temperatures without significant loss or degradation.

  4. Provides long-term protection against UV-induced yellowing, embrittlement, and gloss loss in clear and pigmented systems.

  5. Non-migrating formulation ensures durable performance and compliance with stringent regulatory requirements for end-use articles.

Typical Applications Of BASF Tinuvin 400 UV Absorber

  1. Automotive exterior components (e.g., bumpers, grilles, trim parts).

  2. Outdoor construction materials such as window profiles, cladding panels, and roofing membranes.

  3. Polyolefin-based agricultural films and geomembranes exposed to intense solar radiation.

  4. High-clarity polycarbonate and acrylic glazing for architectural and transportation applications.

  5. Industrial and decorative coatings requiring extended UV resistance and color retention.

Specifications Of BASF Tinuvin 400 UV Absorber

Chemical TypeBenzotriazole derivative
Product FormFree-flowing light yellow to pale tan crystalline powder
AppearanceCrystalline solid, free of visible impurities
Molecular WeightApprox. 378.5 g/mol
Melting Point178–182 °C (determined by DSC)
SolubilitySoluble in common organic solvents (e.g., toluene, xylene, chloroform); low solubility in water
UV Absorption Max (λmax)~345 nm (in toluene)
Primary ApplicationsPolyolefins, engineering thermoplastics, coatings, adhesives, and elastomers


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

Your Name *

Your Email *

Your Phone

Country

Your Message *