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2,4,6-Trimethylbenzoyl-diphenylphosphine oxide, photoinitiator TPO
2,4,6-trimethylbenzoyldiphenyl phosphine oxide
Countertype or Equivalent:
Appearance: light yellow powder
Melting point: 91-94°C
Volatile matter: ≤ 0.2%
Acidity value: ≤ 0.5mgKOH/g
Photoinitiator TPO is an efficient free radical type I photoinitiator, mainly used for UV polymerization and curing of corresponding resins, especially suitable for curing of low yellowing, white system and thick film layer, screen printing ink, lithographic printing Inks, flexo inks, wood coatings, etc.
Photoinitiator TPO is an efficient free radical solid photoinitiator, mostly used in white systems, and can be used in UV-curable coatings, printing inks, UV-curable adhesives, optical fiber coatings, etc.
It is mainly used for UV curing of unsaturated styrene polyester and acrylic resin. Its UV spectrum is located in the long wavelength region, and it can completely cure white coatings and thick coatings with titanium dioxide (TiO2) as the pigment.
Packing: 25KG/carton and paper drum.
Storage conditions: This product is stored in a dry and ventilated warehouse; keep away from sunlight; avoid fire; avoid moisture, and keep it sealed.