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Ultraviolet Benzotriazole UV Absorber UV360 , CAS No. 103597 - 45 – 1
Quick Detail :
UV360 is a very low volatile , dimeric 2 - hydroxy benzotriazole UV - absorber used in a varity of polymers and resin composition .
Description :
- Name : UV360
- Chemical name : Methylene bis [ ( 3 - ( 2 - benzotriazolyl ) - 2 - hydroxy - 5 - tert - octylphenyl ]
- CAS No. : 103597 - 45 - 1
UV328 exhibits strong absorbance in the 300 - 400nm region and minimum absorption in the visible region ( 400nm ) of the spectrum . The absorption maximum area is at 308nm and 349nm in chloroform solution .
Applications :
UV 360 applications include acrylic resins , polyalkylene , terephthalates , PP , modified polyphenylene ether or sulfide compounds .
Specifications :
| Appearance | Off-white Powder |
| Assay (GC) | 99% min |
| Melting Point | 195-198 |
| Volatile | 0.3% max |
| Ash | 0.05% max |
| Transmittance | 460nm 97.0% min |
| 500nm 98.0% min |
Competitive Advantage :
UV 360 is particularly suited for processing and aging conditions where high loads , low volatiles and high compatibility are required . The specific objective is to achieve UV - screen performance and minimize sublimation through vents as well as deposits on molds , chill-rolls and calibrators .
Hongkun is one of the important manufacturers of UV328 in China with the same quality of BASF , and the application effect has been proved by many customers .
