... : 4250 Fast Blue Lake BO C.I.NO.: P.B.1 CAS NO.: 1325-87-7 Light: 3 Heat ºC 140 ... Water 5 Linseed oil 1 Acid 1 Alkali 4~5 Oil absorption ≤45 Applications: offset ink ... ,Pigment Blue 27 The Series of Pigment Blue, Pigment Blue 1(Fast Blue Toner R, Fast Blue Lake BO), Pigment Blue ... 15: 0(Fast Blue B), Pigment Blue 15: 1(Fast Blue BS), Pigment Blue 15: 2(Fast Blue BNT ...