How to Test for Lightfastness

Artists, photographers, printers and other users of colored materials need to be familiar with how lightfast the elements of their work are. Some materials can be exposed to strong light for decades without showing a visible color change. Others may start to change within a year. For paints, particularly oils

[ Continue Reading... ]

Introduction to Varnishing

EDITOR’S NOTE (4/26/23): Please note that Polymer Varnish has been discontinued and replaced with Gloss Waterborne Varnish. You can read more about it here. The application of varnishes is a topic which generates frequent questions. This is a complex issue which does not always lend itself to easy solutions because

[ Continue Reading... ]
css.php