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Unit_7_-_Corrugated_Board - corrugations simultaneously...

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7.2.2 Corrugating Rolls The corrugating process begins when the medium is fed into the machine. The medium is "conditioned" by the application of steam. The moisture and heat soften the fibers and make the paper malleable. The web then passes between a pair of corrugated rolls that form the
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Unformatted text preview: corrugations, simultaneously drying the material so that the corrugations are fixed. The material at this stage is unfaced corrugated. 7. 2...
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