Omnirad 991 by IGM Resins is a Type II Photoinitiator that can be easily used in corporations with classic Amine Synergists or Amine Acrylates in and clear systems.
- It exhibits faster cure and absorption at longer wavelengths than benzophenone therefore it can be recommended as a Performance PI.
- It can be used as an alternative to Omnirad 4PBZ and Omnirad BMS to improve operational efficiency.
- It is easy to handle and helps solvability of other Photoinitiators in formulation and PI Blends.
- Its performance can be significantly improved when used in conjunction with tertiary amine synergists like Omnipol ASA, Esacure A 198 or Photomer 4250.
- Its recommended dosage level is 1-5% by weight of formulation.
- Omnirad 991 is designed for use in adhesive applications such as graphic arts.
- It has a shelf life of 24 months.
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Omnirad 991 properties
Other properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Absorption Wavelength (λmax) | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Auto-ignition Temperature | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Boiling Point | 0.0 Visible After Login | Visible After Login | Visible After Login |
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| Flash Point | 0.0 Visible After Login | Visible After Login | Visible After Login |
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| Specific Gravity | 0.0 Visible After Login | Visible After Login | Visible After Login |
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| Toluene Content | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Transmittance, Visible | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Viscosity | 0.0 Visible After Login | Visible After Login | Visible After Login |

