The TPO photoinitiator market is highly concentrated and some leading companies still have plans to expand production.

2,4,6-Trimethylbenzoyldiphenylphosphine oxide is called photoinitiator TPO. It is a high-efficiency photoinitiator with a wide absorption range and a long absorption peak of about 273um. The long absorption wavelength reaches 380nm, and the light curing speed is fast. It also has a bleaching effect, low post-polymerization effect, and no residue. Therefore, it has a wide range…