博文

目前显示的是 二月, 2024的博文

HOW MUCH DO YOU KNOW ABOUT WET-STRENGTH PAPER?

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1. What is wet-strength paper? As the name implies:  wet paper  is paper that will not spread when wet. Commonly used in label packaging. Wet-strength Paper 2. Characteristics of wet paper When ordinary paper meets water, it will lose most of its original dry strength characteristics. However, the  wet-strength paper   has the characteristics of resisting decomposition and cracking when water is saturated. Paper is classified as wet strength when it maintains 15% or more of its dry tensile strength. High-quality wet-strength paper can keep up to 50% or more dry strength after being immersed in water. The characteristics of the wet paper include: 1) High gloss, strong metallic feeling, good metallization uniformity, smooth surface, and good aluminum adhesion. 2) Excellent adhesion with ink, smooth paper without curling. 3) Applicable to offset printing, gravure printing, flexographic printing, etc. 4) Excellent performance when used for labels. 5) High water absorption. 6) High alkali r