Kodak Module 9 specifications Construction Materials

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Construction Materials

The construction materials recommended for the developer, stop, fixer, and bleach solutions are listed in Table 9-2.All the bleaches are quite corrosive. The UL bleach is slightly more corrosive than ferricyanide bleach, but less corrosive than persulfate bleach. Titanium, Hastelloy C, and engineering plastics such as PVC are, therefore, recommended materials for persulfate bleach. Use plastics compatible with low pH solutions (less than pH 5).

Red brass is commonly found in ferricyanide bleach systems, it will quickly be dissolved by persulfate bleach and UL bleach. In addition to machine tanks, it is often found in fittings, flowmeters, heat exchangers, and valves. Small red- brass parts have been found even when the bleach tank is constructed of titanium, Hastelloy C, or PVC.

The following materials are compatible with ferricyanide or “UL,” but not acceptable with persulfate bleach.

Monel is a commonly used staple material; it is dissolved by persulfate bleach in several hours. Stainless-steel staples are recommended for extended lifetime in persulfate bleach. Standard carbon-steel staples will show some corrosion, but maintain their integrity in persulfate bleach much longer than Monel-type staples. In all cases, it is a good practice to avoid extended exposure of staples to any bleach solution.

Some plastic and elastomeric materials will be degraded by persulfate bleach. This degradation is accelerated by the presence of chlorine in the bleach. Some materials known to be degraded by persulfate bleach are low-density polyethylene, acrylonitrile, butadiene, styrene, nylon 6/6, and neoprene. All plastics and elastomeric materials (other than PVC, RTV-60, silicone, and Vitron) should be tested before being used in persulfate bleach. Most plastics, including PVC, will discolor in persulfate bleach, but retain their mechanical properties. Tygon tubing, which turns white, is an example of this effect.

For best process control, equip the holding tank for the color developer replenisher with a tight-fitting floating cover. The cover will minimize air oxidation of the solution, and absorption of carbon dioxide from the air, which would change the pH. Clearance between the cover and the tank

wall should not be greater than 1⁄ inch (6.4 mm). 4

Polyethylene sheeting of 1⁄ inch (12.7 mm) thickness makes 2

adequate covers in sizes up to 3 feet (1 metre) in diameter. A dust cover alone permits air to come in contact with the solution and will allow some air oxidation to take place. Dust covers should be used for non-developer solution to minimize dirt in the replenisher tanks.

Additional information on materials construction and information on their use are given in The SPSE Handbook of Photographic Science and Engineering, Materials of Construction for Photographic Processing Equipment section. You may also contact the Kodak Information Center at 1-800-242-2424.

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Process ECP-2E Specifications

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Contents Kodak Table of Contents Film Structure Films and Process SequenceDesignated Films Other Film Characteristics Process ECP-2E StepsAlternative Ferricyanide or UL Bleach Sequence Safelights for Darkroom IlluminationProcessing Machine Design and Construction Machine DesignNormal Room Light Dark Squeegee Exhaust Construction Materials Plastics Austenitic Solution Polyvinyl Hastelloy CAisi Type Bleach Ferricyanide or ULFilters Crossover SqueegeesDryer Cabinet Film LubricationOperating Specifications Mechanical SpecificationsMachine Exhaust and Room Ventilation Systems Countercurrent WashesKodak Formula Time Replenisher Recirculation R Process StepsFiltration F 100 ft .5 mFixer 35d 35dR 27 ± @ 40 to 60 L/min Wash†† 100 Temperature TankUL Bleach Formulations Conversion to UL BleachSelecting a Bleach Formulation Controlling Bleach Tank Concentration with Replenisher RateChemical Supplies and Substitutions Drying SpecificationsTurbulation Specifications Wash-Water Flow Rates Stop WashBleach Wash Final WashBulk Chemicals Processing Chemicals FormulasPackaged Chemicals Suppliers of Processing Chemicals H2SO4 Solution Mixing Good mixing practicesDeveloper SD-50 Formulas and Analytical SpecificationsDeveloper Specifications Alternate DeveloperStop Developer SD-51Accelerator Bleach Persulfate BleachAccelerator AB-1b AB-1bR Persulfate Bleach SR-30 SR-30RAlternate Process Bleaches UL Bleach* or UL House BleachPotassium UL Bleach Ferricyanide Bleach SR-27 SR-27RFixer Alternate Process FixerFixer 35b 35-bR Fixer 35d 35dRFinal Rinse FR-2 FR-2R Final RinseSodium Fixer Storage of Solutions Sound Track Operating SpecificationsOptical Sound Processing OverviewMore Information

Module 9 specifications

The Kodak Module 9 is a significant advancement in the world of imaging technology, specifically designed for professionals and enthusiasts seeking high-quality photo prints and efficient workflow solutions. As part of the Kodak line of products, the Module 9 offers a combination of cutting-edge technology and user-friendly features that cater to a diverse range of photographic needs.

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In conclusion, the Kodak Module 9 represents a forward-thinking solution in the photography and printing landscape. With its remarkable image quality, versatile media handling, robust connectivity, and user-oriented design, it stands out as a powerful tool for professionals aiming to elevate their imaging projects while maintaining an efficient and eco-friendly workflow.
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