Description
Used in mezzotint to give work a grainy look. Colophony or rosin in powdered form is an ingrediant in commercial printing inks, photocopying and laser printing paper, varnishes and adhesives.
Colophony (rosin) is a widespread natural product obtained form species of the pine family Pinaceae. One of the most important uses of unmodified rosin is in electronic solder fluxes while the main areas of use of chemically modified rosin are paper sizing, adhesives, paints, varnishes, printing inks and plasticisers.
Allergies are common, appropriate are should be taken regarding exposure
