CAN/CGSB 21.11-M91 [ Withdrawn ]

This standard applies to sensitized black and white photomechanical film for making either line negatives and positives of high contrast and density or halftone negatives and positives with dots of high sharpness. The film consists of a suitable flexible plastic support coated with a silver halide type emulsion.

The testing and evaluation of a product against this standard may require the use of materials and/or equipment that could be hazardous. This document does not purport to address all the safety aspects associated with its use. Anyone using this standard has the responsibility to consult the appropriate authorities and to establish appropriate health and safety practices in conjunction with any existing applicable regulatory requirements prior to its use.