How To Determine The Quality Of White Kraft Paper
How To Determine The Quality Of White Kraft Paper
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White kraft paper is one of the types of kraft paper. Generally, the colors of kraft paper are mainly yellow, natural, white on one side, yellow on both sides, and white on both sides. The white kraft paper is double-sided white kraft paper. It has the characteristics of breaking resistance, smoothness, tensile strength, tearing degree and water absorption. White kraft paper is commonly used as kraft paper products in handbags, hand bags, and packaging bags. There are many types and different quality of the kraft paper. What are the methods to easily check the quality of the white kraft paper? The commonly used methods are:
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1. Differentiate between food-grade white kraft paper and ordinary white kraft paper by looking at the whiteness level. Generally speaking, the whiteness of food-grade white kraft paper is between 83-85 degrees.
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2. Look at the bleached needle leaf fiber content. White kraft paper with high resistance to tearing and pulling force has a rough paper surface. A large amount of coniferous pulp is used, and the paper surface cannot be processed smoothly.
3. How should white kraft paper users choose white kraft paper products. Generally speaking, if the white kraft paper for general use emphasizes printing performance, it is more important to choose a white kraft paper product with a smooth surface, and if white kraft paper with high resistance and tensile strength is used, the smoothness of the paper surface needs to be sacrificed appropriately. Degree and some printing performance
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