UV Absorber Manufacturers

RAYTOP is one of the advanced UV Absorber manufacturers and suppliers in China. Our UV Absorber are made in China and have been exported to many countries, including Germany, Italy, Canada, South Korea, Japan, Indonesia, Vietnam, India, Pakistan, South Africa, Middle East, etc. Also, we have established long-term cooperative relations with numerous domestic famous Optical Brightening Agent enterprises. Welcome to wholesale and buy cheap UV Absorber from our factory. RAYTOP UV Absorber factory has discount price in stock, we can offer free sample and customized service for you.

UV absorber is a kind of light stabilizer, which can absorb the ultraviolet part of sunlight and fluorescent light source without changing itself.

UV absorbers are currently the most widely used light stabilizers. According to their structure, UV absorber  can be divided into salicylic acid esters, benzophenones, benzotriazoles, substituted acrylonitriles, triazines, etc. The most widely used are benzophenones and benzotriazoles. 

UV absorbers should have the following conditions:
1. It can strongly absorb ultraviolet light (especially the wavelength is 290-400nm);
2. Good thermal stability, it will not change due to heat even during processing, and the thermal volatility is small;
3. Good chemical stability, no adverse reaction with material components in the product;
4. Good miscibility, can be evenly dispersed in the material, no blooming, no exudation;
5. The absorber itself has good photochemical stability, does not decompose, and does not change color;
6. Colorless, non-toxic and odorless;
7. Resistance to soaking;
8. Cheap and easy to get;
9. Insoluble or insoluble in water.