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Re: [BKARTS] photopolymer plates



A,

Polymer plates are completely flat. They are an economic replacement for
aluminum offset plates.  They are disposable and cost only pennies to produce.
Aluminum plates are more expensive and are usually saved if the job is ever to be
reprinted. To protect them in storage, they are coated with gum arabic. This
requires some time and expense as well as storage space. With polymer plates,
only the film negative is saved.

They have their drawbacks for less skilled pressmen, but a good pressman with
a good press can produce the highest of quality printing regardsless.

Ed Stansell
http://www.bookrestoration.net

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