... ink,plastcs and textile,etc Pigment Violet 23Type: Violet 23 RL,Violet 23 BL,Violet 23 RLN,Violet 23 RLS,Violet 23 BLSChemical name: 8, 18 ... 5, 15-dihydrodiindolo(3,2-b: 3',2'-mjtriphenodioxazine)Pigment violet 23 is a dioxazine pigment of blue tone. It has ... and weather resistance even in reduced shade..Excellent physical and chemical stability, good heat resistance enable it widely applied in almost ...