Plates, Films & Chemistry: Negative Lithography

Western Litho Tech Products used to convert our standard ball grained litho plates into negative working photo plates. The advantage is that these plates can easily be counter-etched and redrawn with traditional litho materials.
Western Standard Negative Coating

Western PN Red Developer

Western A.G.E. (Asphaltum Gum Etch)

Senefelder's Liquid Asphaltum
Asphaltum preserves and protects etched plates. Essential in litho processing.