2-(2H-benzotriazol-2-yl)-6-(1-methyl-1-phenylethyl)-4-
(1,1,3,3-tetramethylbutyl)phenol
PowerSorb™ 928 possesses low volatility, exceptional light absorbing characteristics and good compatibility.
| Synonyms | Tinuvin 928, Eversorb 89. |
CAS Number | 73936-91-1 |
EINECS Number | 422-600-5 |
Chemical Structure |
|
Chemical Formula | C29H35N3O |
Molecular Weight | 442 |
Packing | PowerSorb™ 928 is supplied in net weight 25Kg Fiber Drum with PE liner. |
Note | All information in the leaflet is based on our present knowledge and experience. We reserve the right to make any changes according to technological progress or further developments. Performance of the product described herein should be verified by testing. We specifically disclaim any other express or implied warranty of fitness for a particular purpose or merchantability. We disclaim liability for any incidental or consequential damages. |
PowerSorb™ 928 can effectively protect the coating film from light loss, cracking, blistering, delamination and discoloration.
PowerSorb™ 928 can be added to varnish, coating and solid color paint. Light stabilizer on the surface coating has the max. protective effect.
PowerSorb™ 928 is used as light stabilizer in plastic, rubber, dye, and coating to prevent the light decomposition with long-term exposure under the sunlight.
PowerSorb™ 928 is one of substituted benzotriazoles which protect against ultraviolet radiation. PowerSorb™ 928 has high solubility which makes it particularly useful for stabilizing coatings.
Appearance | Pale yellow powder |
Melting Point (°C) | 109-113 |
Volatiles (%) | Max.0.3 |
Color of Solution (460nm, %) | Min.97 |
Color of Solution (500nm, %) | Min.98 |
Ash (%) | Max.0.05 |
Purity (%) | Min.98 |
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PowerSorb 928 Benzotriazole UV Absorber 73936 91 1 
