Blend of 2,4,6-trimethylbenzoyl-diphenyl phosphine oxide (50% PowerCure™ TPO) and 2-hydroxy-2-methyl-1-phenylpropanone (50% PowerCure™ 1173)
PowerCure™ 4265 is a highly effective liquid photoinitiator blend, used for UV-polymerisation of suitable resins. It is easily incorporated into waterborne formulations.
| Synonyms | Omnirad 4265 |
CAS Number | 75980-60-8 + 7473-98-5 |
Packing | PowerCure™ 4265 is supplied in 20Kg Drum. |
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. |
PowerCure™ 4265 may be used, after adequate testing, in Wood Coatings, Adhesives, Silkscreen Inks and Flexo Inks. PowerCure™ 4265 may be incorporated in Waterbased systems.
Formulated product properties will depend on the actual reactive monomers, oligomers and additives utilized.
The amount of this type 1 photoinitiator required for optimum performance should be determined in trials covering a concentration range: 1 – 5 %.
Appearance | Yellow Clear Viscous Liquid |
TPO Content (%) | 48-52 |
Transmittance (%) [500nm] | Min.93.0 |
Acid Value (mg KOH/g) | Max.0.5 |
Viscosity (mPa.s) [25°C] | 225-500 |
Color | 3-4 |
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PowerCure 4265 Photoinitiator Blend of PowerCure TPO and PowerCure 1173 
![1-[4-(Phenylthio)phenyl]-1,2-octanedione 2-(O-benzoyloxime)](/uploads/image/20230906/10/uv-additive-for-polypropylene.webp "1-[4-(Phenylthio)phenyl]-1,2-octanedione 2-(O-benzoyloxime)")
