UV Absorber 99-2

Product Overview

UV Absorber 99-2 represents a advanced class of liquid ultraviolet stabilizers belonging to the hydroxyphenyl-benzotriazole family. Engineered specifically to address the rigorous cost-performance and durability demands of modern industrial coatings, this product serves as a critical protective agent for substrates such as wood and various plastics. Its liquid formulation ensures ease of integration into complex manufacturing processes, providing superior solubility and compatibility compared to solid alternatives.

The chemical structure of UV Absorber 99-2 allows it to effectively absorb harmful ultraviolet radiation across a broad wavelength range. By dissipating this energy as harmless heat, it prevents photo-degradation of the polymer matrix. This mechanism is essential for maintaining the structural integrity and aesthetic appeal of coated surfaces exposed to direct sunlight and harsh environmental conditions.

Key Specifications

Industrial Applications

This stabilizer is particularly renowned for its exceptional thermal stability and environmental durability. It is ideally suited for protecting coatings that undergo high-temperature baking processes, making it a staple in high-end automotive OEM paints and industrial finishes. The product effectively safeguards photosensitive substrates, preventing common failure modes such as loss of gloss, micro-cracking, chalking, foaming, peeling, and discoloration over extended service life.

For optimal performance, UV Absorber 99-2 is often used in synergy with hindered amine light stabilizers (HALS) such as LS-292 or LS-123. This combination significantly enhances the weather resistance of the coating system, providing a robust defense against oxidative degradation. In applications where color influence is a critical concern, formulators may consider alternative grades, but for general high-performance protection, UV 99-2 remains a benchmark solution.

Storage And Handling

UV Absorber 99-2 exhibits excellent storage stability under recommended conditions. To maintain product quality, it should be stored in a cool, dry, and well-ventilated warehouse environment. Protection from moisture and excessive heat is essential during both storage and transportation. Adhering to these guidelines ensures that the chemical properties remain consistent until the point of use, guaranteeing reliable performance in your final formulation.