UV absorber UV-440A

Technical Specifications

Appearance: Bright yellow powder Assay: ≥99.5% Loss on drying: ≤0.5% Solubility: Ethyl acetate: 72.5 g / 100 mL: 96.5 g / 100 mL 2-Propanol: 2.5 g / 100 mL Methyl ethyl ketone: 99.5 g / 100 mL Thermogravimetric Loss: 158.6°C: 1% 166.3°C: 2% 178.3°C: 5% 189.0°C: 10%

Applications

UV-440A is specially developed for solvent-borne coatings. It has good solubility in common organic solvents and excellent thermal stability. It also delivers long-lasting protection for various organic polymers such as PVC, PC and PS. It features excellent compatibility for exterior applications, especially for applications requiring absorption extended to long wavelengths and the visible light region.

Advantages

Red-shifted UV absorber with absorption wavelength up to 440 nm. High efficiency and suitable for solvent-borne coatings. It enables thinner and more durable coating films. It has excellent compatibility with a wide range of organic polymers and an outstanding UV absorption range extending to long wavelengths and visible light, providing UVA and blue light protection for coatings and polymers.