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photoinitiator 819 (cas 162881-26-7) powder

Assay: 99% min

Appearance: Pale yellow powder

Capacity: 1000MT per year

Packaging: 20kg/Carton

Sample: available

related documents:

  • COA of irgacure 819 CAS 162881-26-7
  • TDS of irgacure 819 CAS 162881-26-7


Photoinitiator 819

Photoinitiator 819 Quick Details

Chemical Name:Photoinitiator 819

Other name: Irgacure 819; phenylbis(2,4,6-trimethylbenzoyl)phosphine oxide

Molecular Fomula:C26H27O3P

Molecular Weight:418.46

Appearance: Pale yellow powder

Assay: 99.0%

Photoinitiator 819 Typical Properties

Items Specifications
Appearance Pale yellow powder
Assay (HPLC) ≥99.0%
Melting point 131~135°C
Volatile matter ≤0.3%
Clarity Clear

Photoinitiator 819 function

Photoinitiator 819 can also be used in colored UV-curable plastic coatings. UV coatings have been widely used in plastic housings of various electronic and home appliance products due to their excellent performance and efficient production, but UV coatings are added after coloring. Poor curing, resulting in poor adhesion of the coating film, and poor dispersion of the pigment by the UV resin, seriously affecting the appearance of the coating film, so the traditional construction process is first painted with a solvent-based colored primer for coloring, after baking Apply UV varnish to improve the physical properties of the paint film surface.

UV-curable varnishes and paint systems, such as wood, paper, metal, plastic, fiber optics, and printing inks and prepreg systems.

Photoinitiator 819 Packaging and Shipping

Packing:20kg/carton box.

Delivery:with in 5-7 working days.

Photoinitiator 819 storage

Stored in a cool dry place out of direct sunlight.

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