​Kerley Ink offers simply the best, most comprehensive selection of quality, zero-VOC forms vehicle/extenders in the world today. Kerley pioneered the development of soy oil-based forms inks three decades ago, but also continues to develop a line of petroleum-based low-VOC coldset forms inks and extender vehicles. The Formsmaster™ line of no heat web forms extender vehicles are readily available to be used as tinting extenders or as building blocks for your own economically-priced coldset web offset forms inks. Choose from: