Polyolefins like polyethylene (PE) and polypropylene (PP), along with polyvinyl chloride (PVC), are ubiquitous in modern manufacturing, used in everything from packaging films and automotive components to construction materials and consumer goods. However, these versatile polymers are susceptible to degradation when exposed to ultraviolet (UV) radiation. To ensure the longevity and performance of products made from these plastics, the incorporation of effective UV absorbers is essential. For procurement professionals and R&D scientists, understanding which UV absorbers are best suited and how to source them reliably is key. This article focuses on the suitability of Benzotriazole UV Absorber (CAS 25973-55-1) for these applications and highlights the importance of selecting a quality supplier.

UV Degradation in Polyolefins and PVC

Polyolefins are particularly sensitive to UV light. Exposure can lead to chain scission, cross-linking, and oxidation, resulting in embrittlement, chalking, color change, and a significant reduction in mechanical properties like tensile strength and impact resistance. PVC, while inherently more stable than polyolefins, can also undergo photodegradation, leading to dehydrochlorination, which causes discoloration (yellowing to browning) and loss of physical properties.

Why Benzotriazole UV Absorbers (CAS 25973-55-1) Excel Here

The Benzotriazole UV Absorber (CAS 25973-55-1) is an excellent choice for protecting polyolefins and PVC due to its advantageous properties:

  • Broad UV Absorption Spectrum: It effectively absorbs UV light in the critical 290-400 nm range, providing comprehensive protection for these polymers.
  • High Photostability: Its inherent resistance to UV degradation means it offers long-lasting protection, crucial for products with extended service lives, such as agricultural films, outdoor furniture, and automotive parts.
  • Excellent Compatibility: This specific benzotriazole derivative exhibits good compatibility and solubility within polyolefins and PVC, ensuring uniform dispersion and maximum effectiveness.
  • Low Volatility: This minimizes loss during high-temperature processing steps common with these polymers, ensuring the UV absorber remains within the plastic matrix.
  • Low Initial Color: For applications requiring clarity or specific color formulations, its low initial color is a significant advantage, preventing unwanted tints.

Sourcing the Right UV Absorber: A Supplier's Perspective

When you need to buy UV absorbers for your production, choosing the right supplier is as critical as choosing the right product. As a dedicated UV absorber manufacturer, we focus on delivering consistent quality and reliable supply. When evaluating suppliers, consider their adherence to international quality standards, their ability to provide comprehensive technical documentation (like TDS and SDS), and their responsiveness to your specific needs. We offer competitive pricing for our high-quality Benzotriazole UV Absorber (CAS 25973-55-1), understanding the cost-effectiveness required in bulk polymer applications.

Key Applications and Benefits:

  • Agricultural Films: Extends the lifespan of greenhouse films and mulches by protecting them from intense sunlight, crucial for crop yield and resource efficiency.
  • Automotive Components: Preserves the structural integrity and appearance of interior and exterior plastic parts exposed to sunlight.
  • Construction Materials: Enhances the durability of PVC profiles, pipes, and polyolefin-based building materials against weathering.
  • Packaging: Protects packaged goods from UV-induced degradation and maintains the clarity and integrity of packaging films.

By integrating Benzotriazole UV Absorber (CAS 25973-55-1) into your polyolefin and PVC formulations, you ensure superior product performance and durability. If you are looking for a dependable UV protection for plastics price that balances quality and cost, our product is an excellent choice. Partner with us for your chemical sourcing needs and elevate the performance of your plastic products.