サイズプレスオレンジピール:ニップ出口でのフィルムの裂け目
Size Press Orange Peel: Film Splitting at the Nip Exit Orange peel after film sizing appears as a fine, irregular texture on the paper surface, sometimes accompanied by uneven gloss. It can develop when the wet sizing film separates unevenly as the sheet leaves the press nip. The film stretches between the paper and applicator roll before splitting. If the separation disturbs the coating or leaves liquid patches that fail to level, the texture remains visible. Start with the last acceptable production run. Changes in paper absorption, sizing-liquid condition, or operating speed may explain the defect. If these conditions remain comparable and orange peel appears after roll replacement or surface
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