Kraft paper concept
Kraft paper, used as packaging material. High intensity. Usually yellowish brown. The semi-bleached or fully bleached kraft pulp is light brown, cream or white. Quantitative 80 ~ 120g / m2. The crack length is generally above 6000m. Tear strength, breaking work and dynamic strength are high. Mostly web and flat paper. The sulphate softwood pulp is used as raw material, and it is beaten and made on a long net paper machine. Can be used as cement bag paper, envelope paper, rubber seal paper, asphalt paper, cable protective paper, insulation paper, etc.
Kraft paper is a tough, water-resistant packaging paper that is brownish yellow and has a wide range of uses. It is commonly used in paper bags, envelopes, workbooks, record covers, dossier and sandpaper. The quantitative range is from 80 g/m2 to 120 g/m2. There are differences between single-sided, double-sided and striped in web and flat paper. The main quality requirements are flexible and strong, with high bursting resistance, and can withstand large tensile forces and pressure without breaking. Kraft paper has a high tensile force, such as single light, double light, stripes, no grain, and the like. Mainly used for wrapping paper, envelopes, paper bags, etc. and printing machine drum lining.
Kraft paper usually maintains its yellow-brown color and is suitable for bags and wrapping paper. Kraft paper has different uses depending on its nature and use. Kraft paper is a general term for a piece of paper. There is no specific specification. It is generally classified according to its nature and use.
According to the color, it can be divided into: original color kraft paper, red kraft paper, white kraft paper, flat kraft paper, single-light kraft paper, two-color kraft paper, and the like.
According to the different uses, it can be divided into: packaging kraft paper, waterproof kraft paper, moisture-proof kraft paper, anti-rust kraft paper, pattern kraft paper, process kraft paper, insulated kraft paperboard, leather stickers and so on.
According to the different materials, it can be divided into: recycled kraft paper, cowhide core paper, cowhide base paper, rough kraft paper, cowhide wax paper, wood pulp kraft paper, composite kraft paper and so on.
1. Kraft paper is generally thick, wear-resistant, resistant to pull, tear-resistant, and can effectively protect the packaged items.
2. Kraft paper is made of wood fiber, which is non-toxic and harmless.
3. Kraft paper has good physical properties and can be protected from moisture.
4. Kraft paper has good printability and good printing effect.
5. Kraft paper has a retro feel, and it feels taller when packaged, which can increase the value of the product.