Lefranc Bourgeois Charbonnel Aquawash - oil - 75ml bottle

Used as a diluent colorless and smoothens color as too thick when the ink or wiping (the equivalent of a few drops is sufficient) while while preserving their quality of grip.
It is also used in larger quantities (associated or not with water) in the techniques of monotype and photo-polymer, wherever a more fluid is oil sought.
This oil mill in the range AQUA WASH.