Kodak NovaJet 850 Training Manual page 41

NovaJet 800 Series Training Guide
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The coating is used as is and does not require mixing with other chemicals. If the
coating requires thinning for the application method being used, thin with water.
Before applying the coating, make sure that all surfaces are free from dirt, grease,
fingerprints, rust or any other foreign matter. This coating may have a tendency
to bubble when applied directly with a brush to smooth surfaces, so a sprayer is
recommended for smoother surface applications. Because uniformity of
application is important, a brush may be used to spread coating after the spray
application. For rougher surfaces the coating may be applied directly with a
brush. Rougher surfaces will require multiple layers of coating if a smooth
surface finish is desired.
The sprayer used in our work is a high volume, low-pressure (HVLP) unit. The spray
nozzle is a typical gun-type sprayer without any special nozzle. The number of passes,
or layers, of coating required depends on the media being coated. The more porous the
media, the greater amount of coating required. Media coated successfully with the
undercoat include FoamCore, Coroplast and plywood. A primer coat for good adhesion
is needed for many medias, including plywood.
8. Equipment Note: Inkjet Coating Spray Tools
Inkjet receptive coating spray tools are available from a number of different
spray painting manufacturers. The HVLP (High Volume Low Pressure)
equipment should only be used. The automotive spray guns or quart-cup
gun systems work the best with the fine tip nozzles to ensure even coating
at low pressure. Refer to #7 above on application techniques.
http://www.hvlp.com/
http://www.riverside-hvlp.com/3000s.html
9. Operational Note: Rigid Media Transport Techniques
A. For reference to rigid media sizes or distributors who sell rigid media:
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