Benzophenone 2 (BP-2) is an effective light stabilizer for protecting plastics, coatings and cosmetics from the damaging UV radiation which is a component of natural sunlight. It is very compatible with plastic optical lens materials and is extremely useful as a UV screen in these products.


UV-326 is a benzotriazole type ultraviolet light absorber (UVA), imparting good light stability for plastics and other organic polymers. 

It has stable performance, low toxicity, and strong ability of ultraviolet absorbing, can effectively absorb the ultraviolet light which wavelength is 270~380nm.


Octabenzone (UV-531) is a light stabilizer with good performance, capable of absorbing the UV radiation of 240-340 nm wavelength with the characteristics of light color, nontoxic, good compatibility, easy processing etc.

It is widely applied to PE,PVC, PP,PS,PC organic glass, polypropylene fiber, ethylene-vinyl acetate etc.


UV-P is an efficient UV absorber, can effectively absorb 270-380 nm of ultraviolet light.

Mainly used for polyvinyl chloride, polystyrene, polycarbonate, polymethyl methacrylate. ABS resin, AS resin, polypropylene and polyethylene, etc.

UV Absorber

Product Name CAS No.
1 UV-P 2440-22-4
2 UV-9 131-57-7
3 UV-531 1843-05-6
4 UV-326 3896-11-5
5 UV-327 3864-99-1
6 UV-328 25973-55-1
7 UV-329 3147-75-9
8 BP-2 131-55-5
9 BP-3 131-57-7
10 BP-4 4065-45-6

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