R Series
R-1 Ink by Diagraph is a high quality ink and is available in black and red. It can be used on porous surfaces (such as cardboard and non-coated paper). R-1 Ink is fade resistant with a matte finish when dry. It is CONEG/ RoHS Compliant. The black ink is available in quarts and gallons. The red ink is available in gallons. If you are purchasing in a high quantity use our quote request form for a volume quote.
