Photoinitiator 819

　　Chemical name: Phenylbis(2,4,6-trimethylbenzoyl)phosphine oxide

　　Formula: C26H27O3P

　　CAS number: 162881-26-7

　　Appearance: light yellow crystalline powder

　　Melting point: 131-135℃

　　Content: ≥99%

　　Waving part: ≤0.2%

　　Ash content: ≤0.1%

　　Uses: This product is suitable for UV curing varnish and paint systems, such as wood, paper, metal, plastic, optical fiber, printing ink and prepreg system.

　　Storage: This product should be sealed and stored in a closed, dry and dark place, avoiding sunlight.

　　Packing: 25kg cardboard drum or carton can also be packed according to customer requirements.