Kraft paper is a tough, water-resistant packaging paper that is brownish-yellow in color and has a wide range of uses. It is often used to make paper bags, envelopes, workbooks, record sleeves, files and sandpaper. Wait. The basis weight range is 80 g/m2 to 120 g/m2, and there are differences in web and flat paper, as well as single-sided gloss, double-sided gloss and striped. The main quality requirements are flexibility and firmness, high burst resistance, and can withstand greater tension and pressure without breaking. Kraft paper has high tensile force, and has single light, double light, stripe, no grain, etc. Mainly used for wrapping paper, envelopes, paper bags, etc. and printing press cylinder lining.