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

SONGWON SONGSORB 1577 Triazine UV Absorber

SONGWON SONGSORB 1577 is a high-performance triazine-based UV absorber from SONGWON’s SONGSORB series, offering exceptional photostability and thermal resistance for polyolefins, engineering plastics, and coatings. It provides superior long-term UV protection with low volatility and excellent compatibility, ensuring color retention and mechanical property preservation under intense sunlight exposure.
  • songwon songsorb 1577 triazine uv absorber_5552ab26
  • songwon songsorb 1577 triazine uv absorber_5552ab26

Features Of SONGWON SONGSORB 1577 Triazine UV Absorber

  1. Highly effective broad-spectrum UV absorption in the 290–400 nm range, with peak performance in the critical UVA region.

  2. Exceptional thermal and hydrolytic stability, ensuring long-term performance during high-temperature processing and outdoor exposure.

  3. Low volatility and minimal migration, providing durable protection in demanding polymer applications.

  4. Excellent compatibility with polyolefins, engineering plastics, and thermoplastic elastomers without compromising mechanical properties.

  5. Non-discoloring and chemically inert, maintaining clarity and color stability in transparent and light-colored formulations.

Typical Applications Of SONGWON SONGSORB 1577 Triazine UV Absorber

  1. Polypropylene (PP) fibers and nonwovens for geotextiles, agricultural covers, and automotive interior components.

  2. Polyethylene (PE) films used in greenhouse covers, mulch films, and packaging requiring extended UV resistance.

  3. Automotive exterior parts including bumpers, trim, and under-hood components exposed to intense sunlight and heat.

  4. Outdoor construction materials such as decking, fencing, and cladding profiles based on wood-plastic composites (WPC).

  5. Thermoplastic elastomer (TPE) seals, gaskets, and soft-touch surfaces requiring weatherability and surface integrity.

Specifications Of SONGWON SONGSORB 1577 Triazine UV Absorber

Chemical TypeTriazine-based UV absorber
Product FormFree-flowing light yellow to pale beige powder
AppearanceFree-flowing crystalline powder
Molecular Weight (approx.)643 g/mol
Melting Point210–215 °C (DSC)
SolubilityInsoluble in water; soluble in common organic solvents (e.g., chloroform, THF, hot xylene)
Primary ApplicationsPolyolefins, engineering plastics, thermoplastic elastomers, WPC
Key FeaturesBroad-spectrum UV absorption, low volatility, high thermal stability


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