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Photo Paper: CB Art

PRESTIGE CB ART is a double-weight, glossy photographic paper with a warm brown image tone and high quality chlorobromide emulsion. Its fiber-base (300 g) stock exhibits exceptional whiteness while its silver content permits a wide exposure range and remarkable gradation.
Available in three contrast grades :
ISO contrast
PRESTIGE CB ART 2 110
PRESTIGE CB ART 3 90
PRESTIGE CB ART 4 70

Handling
Red safelight as for bromide paper is recommended. For instance, ENCAPSULITE R10 or WRATTEN 1A allows good darkroom lighting. It is a good idea to test for safelight fog from time-to-time.

Exposure
Double weight glossy paper can be exposed with all enlarger light source.

Development
Process in any good quality paper développer at 20°C (68°F) for 1 1/2 to 2 minutes with continuous agitation.The use of warm tone developers such as Agfa Neutol-WA, Kodak Selectol, etc., will yield maximum warm tone results. Normal capacity : 1 - 2 1/2 sqm/litre.

Stop Bath
An acid stop bath is optional but recommended. It quickly stops dévelopment by neutralizing alkali. This also helps extend fixer life. Dilution : 25 cc of 28% acetic acid in 1 litre of water. Stop bath time : 15 seconds or 20 to 30 seconds of water rinse.

Fixing (Temps Maximum : 10 Minutes)
Treat in a conventional sodium thiosulfate fixer for a minimum of 5 min. at 20°C. Normal fixing capacity is 1 _ sqm/ litre. A two-bath fixing method (at 2 _ min. per bath) may be used to avoid under-fixing. When the first bath is exhausted, replace it with the second bath and mix a fresh « second bath ».
With ammonium thiosulfate (« rapid ») fixers, treat prints for 30 to 45 seconds only, then give a thorough pre-wash for 5 min. Next, treat with a wash-aid (see « WASHING », below) with frequent agitation for 10 min, before transferring to a final wash.

After-Treatments
CB ART responds well to bleaching and toning. To increase the impression of warmth, you may wish to use a toner such as Kodak Brown toner or a sepia toner

Washing
The use of a wash aid (such as Kodak Hypo Clearing Agent) will reduce your wash time and increase the efficiency of your washing. As well, it will help guarantee the permanence of your photograph.
Wash PRESTIGE in running water at a rate fast enough to completely change once every 5 minutes. Wash time is 1 hour at 20°C (68°F) or 30 min. if a wash aid has been used.

Drying
To effect even and rapid drying, you may use a wetting agent as a final rinse. Excess water should be removed from the surface of prints with a clean sponge or squeegee. Prints may then be dried in dust-free air on drying screens or in a clean photo-blotter.

Finishing
CB ART may be retouched, spotted and mounted using normal methods.

Other rolls and formats available.

Three grades are available :

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