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

BASF Tinuvin 571 Benzotriazole UV Absorber

BASF Tinuvin 571 is an advanced liquid benzotriazole UV absorber offering exceptional processing flexibility and broad-spectrum protection. Designed for polyurethane, PVC, and acrylic systems, this high-performance stabilizer combines superior UV absorption with excellent material compatibility, delivering long-lasting protection while maintaining optical clarity in demanding applications.

Features Of BASF Tinuvin 571 Benzotriazole UV Absorber

  1. Optimal UV Shielding - Effective 300-400 nm protection with minimal color shift

  2. Liquid Advantage - Pumpable formulation enables clean, precise dosing

  3. Thermal Endurance - Stable performance in high-temperature processing

  4. Sustainable Solution - Low-VOC, water-emulsifiable technology

  5. Performance Synergy - 40% enhanced durability with HALS stabilizers

Typical Applications Of BASF Tinuvin 571 Benzotriazole UV Absorber

  1. Automotive Interiors - Color stability for PU coatings and surfaces

  2. Flexible PVC - Weather resistance for synthetic leather products

  3. Fiber Protection - UV defense for synthetic fiber treatments

  4. Industrial Coatings - Durability enhancement for protective finishes

  5. Adhesive Systems - Weather-resistant bonding solutions

Specifications Of BASF Tinuvin 571 Benzotriazole UV Absorber

Chemical Type
Benzotriazole UV absorber
CAS Number
125304-04-3
Appearance
Clear pale yellow liquid
Molecular Weight
~300-400 g/mol (main component)
Density (20°C)
1.10-1.15 g/cm³
Flash Point
>90°C
Solubility (20°C)
Acetone>50 g/100g / Water:<0.01 g/100g
Recommended Dosage
0.2-5.0% (on polymer weight)
Packaging
20 kg/drum (moisture-proof)


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