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Phenylbis(2,4,6-trimethylbenzoyl)phosphine oxide
Product Name Phenylbis(2,4,6-trimethylbenzoyl)phosphine oxide
Byname IRGACURE 819
Formula C26H27O3PMolecular Weight 418.46CAS NO. 162881-26-7
Content ≥99%
Appearance Yellow powder
Particle size 10.1% < 4 mm
Density 1.19 g/cm3Melting point 127 ~ 131 °CBoiling Point ≥168°C It is applicable to UV-curable varnish and paint systems ,such as for wood ,paper,metal,plastic,fiber,as well as printing inks and pre-impregnation system and so on.IRGACURE 819 can used in conjunction with other photoinitiators such as IRGACURE 184 or IRGACURE 651.IRGACURE 819 is with the latter's compound particularly suitable for curing polyester/styrene resin system for glass fiber reinforced materials.As the long-wave band are photosensitice,it can be used in conjunction with the UV absorbers such as Tinuvin400.
Therefore,it is an ideal weather-based UV-curable coqtings photoinitiator required.As the trigger effect of photoinitiator depends largely on the different formulations,so the best results and adding the amount of testing is to get through.
Phenylbis(2,4,6-trimethylbenzoyl)phosphine oxide