Square grid paper yarn composite bag
CN2740545 Source: China Packaging News
Folder is specially used to hold the whole page of documents, the main purpose is to better save files, make it neat and regular.Folders are tools for storing, protecting and managing paper documents.Materials include PP, PVC, cardboard;There are parts of imitation leather, cloth and so on.There are many kinds of folder categories: including single strong folder, double strong folder, information booklet, two inch folder, three inch folder, different specifications of double open folder, single folder (also known as l-type folder), multi-page folder.
From the inside to the outside, the square grid paper yarn composite packaging bag includes a non-neutral tubular inner paper layer, a warp and weft yarn without weaving a centerless tubular square gauze layer, and a non-neutral hollow outer paper layer. The inner surface of the outer paper layer is coated with an adhesive, and the outer surface is coated with a waterproof, sterilizing, self-cleaning nano-material coating. In the presence of the adhesive, the inner paper layer and the square mesh layer are pressed by a pressure roller. Combine with outer paper layer extrusion to form a tube-shaped no-seam paper yarn compound packaging bag. The square grid paper yarn composite bag has various functions such as waterproof, self-cleaning, and sterilization, and is suitable for packaging various foods, and has unique advantages that do not change the unique local flavor of the food. 
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shaoxing chaofeng stationery manufacturing CO.,LTD. , https://www.chaofengstationery.com