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





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

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

Trade Mark: PI TPO

CAS: 75980-60-8

Molecular Formula: C22H21O2P

Specification:

Appearance   Light yellow powder
Main Content % ≥99.0
Density g/cm3 1.17(25℃)
Melting Point 88-92
Volatile Matter % 0.5

Application: The product is a free radicals solid photoinitiator with high efficiency, which is usually used in white UV curing system. It has been already applied inUV-Cured coating, printing ink, UVcruable adhesives,optical fibre coating,etc.

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





  Prve: Phenylbis(2,4,6-Trimethylbenzoyl)Phosphine Oxide
  Next: 2,4,6-Trimethylbenzoyl Ethyl Phosphinate





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