欧美一级黃色A片韩国_日本A A免费在线播放_中文字幕成人电影_日韩一级性爱_六月天婷婷丁香_黄色A片三级片

欧美一级黃色A片韩国_日本A A免费在线播放_中文字幕成人电影_日韩一级性爱_六月天婷婷丁香_黄色A片三级片

欧美一级黃色A片韩国_日本A A免费在线播放_中文字幕成人电影_日韩一级性爱_六月天婷婷丁香_黄色A片三级片

CHINESE   |  ENGLISH   |  JAPANESE   |  KOREAN





Phenylbis(2,4,6-Trimethylbenzoyl)Phosphine Oxide

Synonyms: Bis(2,4,6-trimethylbenzoyl)phenyl phosphine Oxide

Trade Mark: PI 819

CAS: 162881-26-7

Molecular Formula: C26H27O3P

Specification:  

Appearance   Light yellow powder
Main Content % ≥99.0
Density g/cm3 1.17(25℃)
Melting Point 131-135
Solubility   Soluble in acetone,acetonitrile,hexane, methyl benzene,etc.

Application: The product can be applied to uv-curable varnish and paint system,such as woodworkings, papers, metals, plastics, optical fibers,printing ink, preimpregnating system,etc. PI819 can be also applied in deep curing, where it’s used cooperatively with other photoinitiators.

Packing: 20Kg in paper-plastic composite bag, lined with vacuum plastic bag. The package can also be arranged according to order.

 





  Prve: Poly Sulfonyl Diphenylene Phenyl Phosphonate
  Next: Biphenyl(2,4,6-Trimethylbenzoyl)Phosphine Oxide





欧美一级黃色A片韩国_日本A A免费在线播放_中文字幕成人电影_日韩一级性爱_六月天婷婷丁香_黄色A片三级片