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A variety of tests are used to determine ink and paper and paperboard quality, and to measure their interactions. They are necessary to balance print quality, cost, and wear on the press. ==List of paper and ink tests== Some of the paper and ink tests are listed here: I. Paper test A wide variety of paper tests are available, depending on the specific needs and on the governing contract or specification: * Grammage or basis weight * Paper shade * Pick test * Tensile and elongation, MD and CD *Tear resistance, MD and CD *Energy absorption *Wet tensile, MD and CD *Burst strength *Smoothness *Contact angle, surface energy II. Ink and Paper (Printability Tests) # Print density # Ink requirement # Printed colour values # Wet on wet printing (Two colours) - Trap # Print Through # Set Off # Strike Through #Abrasion resistance III. Ink # Fineness of the grind 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「paper and ink testing」の詳細全文を読む スポンサード リンク
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