PY3 (C.I 11710) Monoazo Yellow
PY42 (C.I 77492) Iron hydroxide oxide
PR112 (C.I 12370) Monoazo Red (napthol)
PBk7 (C.I 77266) Furnace carbon black
These are chosen and blended to provide a viscosity and structure to the ink – along with that unique linseed smell.
This keeps the relief print as fresh and bright as the day it was created.