Products | Sinochem International Anti-Aging Additive Series-UV absorber FENTASORB 531

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UV absorbers are a class of chemicals that have the ability to absorb ultraviolet rays. They are commonly used in a variety of products, with the primary purpose of protecting materials from UV damage.


Types and functions of UV absorption


Physical UV absorbers: These absorbers mainly reflect and scatter UV rays, such as titanium dioxide and zinc oxide.

They are often used in sunscreen and physical protection products

Chemical UV absorbers: These absorbers protect products or the human body from UV damage by absorbing UV energy and converting it into heat energy.

Common chemical UV absorbers include:


UV aging mechanism:

FENTASORB 531 is a benzophenone UV absorber with the highest cost performance on the market. It is a high-efficiency anti-aging additive with excellent performance. It can absorb ultraviolet light from 240-340nm (the absorption is particularly strong at 270-330nm). It has It has the characteristics of light color, non-toxic, good compatibility, low migration and easy processing.


Product Usage

It provides maximum protection for polymers and helps reduce color difference and maintain gloss while delaying yellowing and retarding the loss of physical properties. It is widely used in PE, PVC, PP, PS, PC, plexiglass, polypropylene fiber and ethylene vinyl acetate. It also provides good light stabilization effects for dry phenolic and alkyd varnishes, polyurethane, acrylic, epoxy and other resin system products, as well as automotive refinishing paint, powder coatings, polyurethane, rubber products, etc.[1 -2] . FENTASORB 531 has good compatibility with resin and low volatility. The general dosage is 0.1%-1%. It is mainly used in combination with hindered amine light stabilizers in LDPE and LLDPE of agricultural films, and EVA copolymers. It can also be used in HDPE. Injection molded products, such as turnover boxes, slow down the degradation of products caused by exposure to sunlight. At the same time, it can be used as a UV screener to protect the contents of industrial and consumer packaging materials. In addition, FENTASORB 531 can be used in combination with antioxidants and light stabilizers to exert synergistic effects.


Customer questions

1What  is Sinochem International’s production capacity of this product:

As Sinochem Fubia's flagship product, FENTASORB 531 has an annual production capacity of 3,000 tons, ranking among the top in the country. It not only has a large domestic customer base, but is also exported to overseas customers.


2What  are the advantages of this product compared with similar domestic products?

Sinochem Fubia's FENTASORB 531 has more than 20 years of production experience. The product quality and stability have been recognized by domestic and foreign customers, and it has a strong cost advantage.


3Current  domestic application cases of this product

The brand's products already have application cases in various industries.