D-11 is a vigorous film-and-plate developer with good keeping properties, for general use where high contrast is desired.

D-11 is recommended for use with high-contrast films for reproducing written or printed matter, line drawings, and similar material.

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For line subjects, use without dilution. For development of copies of continuous-tone subjects, dilute 1:1. Develop about 5 minutes in a tank or 4 minutes in a tray at 20°C.

For use as the first developer in reversal processing dilute 1:3 and develop for 12–15 minutes at 20°C.