Step wedge must always be in direct contact with plate coating and beneath any overlays used in regular exposures. Hand Development Apply enough 57182 Developer to cover approximately half of the plate. Using a developing pad or sponge, spread developer over entire plate and allow to dwell for at least 10 or more seconds. Continue development using moderate pressure and side to side motions until all unwanted coating is removed. Apply second application to ensure that the background and plate edges are completely clean.
Rinse plate thoroughly with water and squeegee.
While plate is still damp, apply enough 57183 Finisher to cover approximately a quarter of the plate. Spread with sponge over entire area and then buff down to a thin dry coat with a lint-free cotton pad or cheesecloth. Continue development using moderate pressure and side to side motions until all unwanted coating is removed. Apply a second application if necessary. Rinse plate thoroughly with water and buff dry with a lint-free cotton pad or cheesecloth.