Local supplier:
http://www.artmartaust.com.au/ruby.html
Quote:
Rubylith
Description
Rubylith is a red masking film, which is suited for use with orthochromatic films. Rubylith is "safe" for use with camera speed darkroom films as well as indirect gelatin stencil films and diazo, diazo acrylic, or SBQ sensitized stencil films or emulsions. Rubylith is primarily used in the camera plate making operations for offset lithography, flexography, gravure, and screen processes where orthochromatic films and plates are used.
Sizes
610mm & 1220mm
|
610mm x 1220mm !!!!!!!!!! Great for the 27" iMac!