photoinitiator TPO CAS No. 75980-60-8 Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide

TPO is an effective photoinitiator for UV-curable based coatings,adhesives, inks and printing plates. It is typically consumed in unsaturated polyester  acrylatebased systems in concentrations ranging from 1% to 4% by weight. It offers the advantage of good shelf stability,and fast and thoroughcure of  coatings. It is compatible with unsaturated polyesters, acrylate  monomersand oligomers for use in UV-curable systems.