UV Absorber UV 405 Cas#137658-79-8

UV Absorber UV405, also known as Tinuvin 405, is a hydroxyphenyl-triazine class ultraviolet (UV) absorber designed to protect coatings and polymers from UV-induced degradation. It effectively absorbs UV radiation in the 280-380 nm range, with peak absorption at 293 nm and 342 nm, thereby preventing discoloration, surface deterioration, and loss of mechanical properties in various applications.

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Products name UV Absorber UV 405
Chemical name 2-[2-hydroxy-4-[3-(2-ethylhexyloxy)-2-hydroxypropoxy]phenyl]-4,6-bis(2,4-dimethylphenyl)- 1,3,5-triazine
CAS NO. 137658-79-8
Structural formula 9UV 405
Appearance Light yellow powder
Melting point 74-77℃
Molecular weight 583.76
Application Automotive clear coats
Automotive powder clear coats
Powder coatings for plastics and wood
High performance industrial coatings

Key Features:

  • Excellent Compatibility: UV405 exhibits good compatibility with various coatings and polymers, ensuring effective stabilization without adversely affecting material properties.

  • Low Volatility and Migration: The product has low volatility and migration tendencies, minimizing the risk of surface blooming and maintaining consistent protective performance over time.

  • High Thermal Stability: UV405 possesses excellent thermal stability, making it suitable for high-temperature curing systems, powder coatings, and coil coatings.

  • Enhanced Weatherability: By absorbing harmful UV rays, UV405 improves the outdoor weatherability of materials, reducing the potential for color fading and structural degradation when exposed to sunlight.

Applications:

UV Absorber UV405 is widely used in various applications, including:

  • Coatings: Enhancing the UV stability of automotive coatings, industrial coatings, and powder coatings, especially in outdoor applications where exposure to sunlight is significant.

  • Polymers: Improving the durability and color retention of polymers exposed to UV light.

Safety and Handling:

When handling UV Absorber UV405, it is advisable to:

  • Personal Protective Equipment (PPE): Use appropriate PPE, such as gloves, safety glasses, and protective clothing, to minimize direct contact with the substance.

  • Storage Conditions: Store the product in a cool, dry, and well-ventilated area, away from incompatible materials and direct sunlight, to maintain its stability and effectiveness.

For more detailed information on handling, safety precautions, and specific application guidelines, please consult the Material Safety Data Sheet (MSDS) or contact the manufacturer directly.

Note: While UV Absorber UV405 is effective in enhancing the UV stability of various materials, it is recommended to conduct compatibility and performance tests in your specific application to ensure optimal results.

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