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Good Anti Yellowing Performance Photoinitiator PI 819 For Tinted Furniture
Photoinitiator 819 is aversatile photoinitiator for radical polymerization of unsaturated resins upon UV
and near visible light exposure.
Product Name:Bis(2,4,6-trimethylbenzoyl) phenylphosphine Oxide
Molecular Formula:C26 H27O3 P
Molecular Weight:418.46
CAS number:162881-26-7
Specification Benzophenone
| Test Item | 819 |
| Appearance | Pale yellow powder |
| Melting point | 127-135°C |
| Purity (HPLC,%) | ≥98% |
| Loss on Drying (%) | ≤0.50 |
Application
819 has been tested for UV-curing varnish and paint systems, such as wood, paper, metal, plastic, fiber optics,printing inks and prepreg systems.
In opaque white and tinted furniture, the very low added amount of 819 provides excellent cure and yellowing resistance. Moreover, the excellent absorption properties of 819 make it suitable for deep curing.
819 can be used with other photoinitiators for use in glass fiber reinforced materials.
Due to its photosensitivity in the long wavelength band, 819 can be used with UV absorbers.
Storage
Keep in a tightly closed container and store in a cool, dry, dark, ventilated area. Effective from the date of production,within one year.
Package
Packed into 20Kg/drum
