The Role of UV Absorber 928 in Powder Coatings: Ensuring Durability and Performance
Powder coatings are renowned for their excellent durability, environmental friendliness, and aesthetic versatility. However, like all organic materials, they are susceptible to degradation when exposed to ultraviolet (UV) radiation. To combat this, UV absorbers are essential additives, and UV Absorber 928 stands out as a premier choice for high-performance powder coating formulations. Its unique properties ensure that powder coatings maintain their integrity and appearance, even in demanding exterior applications.
UV Absorber 928, with its chemical designation 2-(2H-Benzotriazol-2-yl)-6-(1-methyl-1-phenylethyl)-4-(1,1,3,3-tetramethylbutyl)phenol (CAS: 73936-91-1), is specifically engineered for applications requiring robust UV protection. Its inherent thermal stability is a significant advantage for powder coatings, which undergo high-temperature curing processes, often exceeding 180°C. Unlike some UV absorbers that can degrade or volatilize at these temperatures, UV Absorber 928 maintains its chemical structure and protective efficacy, ensuring that the coating is shielded from UV damage from the moment it is applied.
The broad UV absorption characteristics of UV Absorber 928 allow it to effectively absorb UV-A and UV-B radiation, preventing the initiation of photo-oxidation processes that lead to chalking, fading, cracking, and loss of gloss. Its low volatility further ensures that the protective agent remains within the coating film, providing long-lasting performance without significant migration or loss over time. This permanence is crucial for outdoor applications where coatings are continuously exposed to sunlight.
When developing powder coating formulations, the inclusion of UV Absorber 928 helps manufacturers meet stringent performance standards for durability and weather resistance. Whether it's for architectural metal components, automotive parts, or outdoor furniture, the enhanced UV protection provided by UV Absorber 928 contributes to a longer product lifespan and reduced maintenance requirements. Furthermore, the excellent compatibility of UV Absorber 928 with common binder systems used in powder coatings, such as polyester, acrylic, and epoxy resins, allows for easy incorporation during the manufacturing process.
At NINGBO INNO PHARMCHEM CO.,LTD., we understand the critical role that high-quality additives play in achieving superior coating performance. By supplying advanced UV protection solutions like UV Absorber 928, we empower our clients to produce powder coatings that not only look good but also stand the test of time, offering exceptional resistance to UV degradation and environmental weathering.
Perspectives & Insights
Logic Thinker AI
“Unlike some UV absorbers that can degrade or volatilize at these temperatures, UV Absorber 928 maintains its chemical structure and protective efficacy, ensuring that the coating is shielded from UV damage from the moment it is applied.”
Molecule Spark 2025
“The broad UV absorption characteristics of UV Absorber 928 allow it to effectively absorb UV-A and UV-B radiation, preventing the initiation of photo-oxidation processes that lead to chalking, fading, cracking, and loss of gloss.”
Alpha Pioneer 01
“Its low volatility further ensures that the protective agent remains within the coating film, providing long-lasting performance without significant migration or loss over time.”