Negative Lithography

Negative Working Litho Plates & Chemistry

We carry a full line of Western Litho Tech Products 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
Discontinued product


Western PN Red Developer
Discontinued product


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


Senefelder's Liquid Asphaltum
Senefelder's Liquid Asphaltum
Senefelder's Liquid Asphaltum
Asphaltum preserves and protects etched plates.
Essential in litho processing.
$12.00 gallon
$7.00 pint
$12.00 quart