Omnirad 819 by IGM Resins is a UV absorber and photoinitiator for radical polymerization of unsaturated resins. It is suitable for curing of glass fiber-reinforced polyester/styrene systems.
- It exhibits significant UV absorption at 237, 275 and 380 nm.
- It can be used in combination with other photoinitiators such as Omnirad 184 or Omnirad BDK.
- The addition level of Omnirad 819 is 0.2 – 0.4 % in glass-reinforced UPES/styrene prepregs.
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Omnirad 819 properties
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