Kraft paper, used as packaging material. The intensity is high. Usually yellowish brown. Semi-bleached or fully bleached kraft pulp is light brown, cream or white. Quantitative 80~120g/m2. The fracture length is generally above 6000m. Tear strength, work of rupture and dynamic strength are high. Mostly roll paper, but also flat paper. Using kraft softwood pulp as raw material, after beating, it is made on fourdrinier paper machine. It can be used as cement bag paper, envelope paper, glue-sealing paper, asphalt paper, cable protection paper, insulating paper, etc.
Features of kraft paper packaging boxes
Kraft paper is a tough and water-resistant packaging paper with a brownish-yellow color and a wide range of uses. It is often used to make paper bags, envelopes, workbooks, record sleeves, files, and sandpaper. Quantitative range is 80 g/m2 to 120 g/m2, there are differences between roll paper and flat paper, single-sided light, double-sided light and stripes. The main quality requirements are flexible and strong, high burst resistance, and can withstand large tension and pressure without breaking. Kraft paper has high tensile strength, and there are single light, double light, stripes, no lines, etc. It is mainly used for wrapping paper, envelopes, paper bags, etc., and printing machine cylinder lining, etc.
Specifications of kraft paper packaging boxes
Flat paper specifications: According to the different machines, the cutting is different. Like a general reel slitter, it can cut to a minimum of 460mm and a maximum of 1460mm, and then through a flat cutting machine, it can cut out any specifications you want. The commonly used printing specifications are: positive degree 7871092mm, generous degree 8891194mm.
