Kraft paper valve bag: what are the characteristics of kraft paper
Kraft paper is tenacious waterproof packing paper, tan, use is very wide, often used to make paper bags, envelopes, exercise books, album cover, file and sand paper, etc.
Quantitative range is 80 grams per square metre to 120 g/m2, with web and tablet in the paper, and the single side, double side light and difference with stripes.
Main quality requirements is flexible, strong, resistant to break the degree is high, can bear large pulling force and pressure does not break.
kraft paper, has the very high tension, with double and single photon light, no grain, stripes, etc.
Mainly used for wrapping paper, paper bags, envelopes, and press roller pouch lining, etc.
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