Irgacure819 often is used in UV coating ,UV ink,UV fiber glass,and fiber optic industry We specialize in this field for several years, with Photoinitiator 819,with good quality and pretty competitive price.Photoinitiator 819 is applicable to UV-curable varnish and paint systerms, such as for wood, paper, metal, plastic, fiber, as well as printing inks and pre-impregnation system and so on. ...