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Photosensitive Emulsion

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Emulsion, Photosensitive 

any of the photographic preparations consisting of substances suspended in colloidal binders. Emulsions are coated on supporting plates and dried; during processing, they swell when immersed in cold water but do not dissolve. Photosensitive emulsions contain microcrystals of silver halides (except AgF) and such other substances as diazo compounds and chromium salts. These compounds are uniformly dispersed, primarily in gelatin, but to a lesser extent in cellulose nitrates, albumin, polyvinyl alcohol, and other colloids. In addition to the dispersed compounds, photosensitive emulsions contain small quantities of such additives as optical sensitizers, hardeners, and stabilizers.



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Emulsion- The process of transferring your design from film to mesh requires special photosensitive emulsion.
Lee employs a traditional enlarger to project the image from a film negative, but the recipient of that projection is a very large piece of Korean mulberry paper -- either 41 by 83 inches or 30 by 57 inches -- on which she has brushed a liquid photosensitive emulsion.
Stork Prints' RSI units use RotaMesh screens, which have a base of electroformed nickel covered with a photosensitive emulsion for the developing process.
 
 
 
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