A popular and reliable formulation - provides vibrant, light fast prints from all types of relief plates As well as highly pigmented formulations, Cranfield traditional relief inks also benefit from a careful mix of traditional linseed oils. 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. We always select lightfast pigments for our formulations. All our inks are rated 6 or higher on the International Blue Wool Scale.