Kodak RA-4 Ektacolor RA Processing Control Strips, 3 1/2x12" Strips, Contains 25 Pre-Exposed Strips

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About Kodak RA-4

KODAK Control Strips are sensitometrically exposed film or paper strips that are used to monitor the processing of films or paper. A processed reference strip on the same emulsion is included with each package of control strips. Control strips must be stored at 0°F (-18°C) prior to processing.

KODAK EKTACOLOR RA Control Strips, Process RA-4 and RA-4NP Sensitometrically exposed paper for monitoring the processing of KODAK PROFESSIONAL PORTRA, SUPRA, and ULTRA Papers using KODAK EKTACOLOR RA Chemicals, Processes RA-4 and RA-4NP. A processed reference strip of the same emulsion as the control strips is included with each package for comparison. Each carton contains 10 moisture-proof envelopes for five 3 1/2 x 12-inch strips each.


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Frank M  Dear Sir, Does the package contain a refference strip?
CHARLES T  Yes, there is a reference strip included in the pack. It is in a separate envelope inside the package. You can use it with a reflectance densitometer or just eyeball it. It let me know my process was out of control very easily.
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