What is kraft paper?
Kraft paper is paper produced using a specific type of pulping process, usually, in paper making, the wood is first "crushed", and then the cellulose pulp is treated with certain chemicals (sulfate) to improve the strength of the paper. So he named his paper kraft paper.
This is why this material ended up being used as a packaging material because of its durable and useful properties in kraft paper packaging.
Kraft paper is a tough water-resistant packaging paper, brown-yellow color, widely used, often used to make paper bags, envelopes, exercise books, record sleeves, rolls and sandpaper. The main quality requirements are flexible and strong, high rupture resistance, and can withstand greater tension and pressure without breaking. Kraft paper has a high tensile force, single light, double light, stripes, no lines and so on. It is mainly used for wrapping paper, envelopes, paper bags, etc., and the drum of the printing press.
Kraft paper usually retains its yellow brown color, suitable for bags and wrapping paper. According to the nature and use of different, kraft paper has a variety of different uses. Kraft paper is a general term for paper, and there is no certain specification, and it is generally classified according to its nature and use.
According to the different colors can be divided into: primary kraft paper, brown kraft paper, white kraft paper, plain kraft paper, single-light kraft paper, two-color kraft paper and so on.
According to the different uses can be divided into: packaging kraft paper, waterproof kraft paper, moisture-proof kraft paper, rust-proof kraft paper, plate kraft paper, process kraft paper, insulating kraft paper board, kraft stickers and so on.
According to the different materials can be divided into: recycled kraft paper, kraft core paper, kraft base paper, coarse kraft paper, kraft wax paper, wood pulp kraft paper, composite kraft paper and so on.
Kraft paper is divided into three types: single-sided, double-sided and striped; According to its thickness is divided into kraft paper, kraft paper, kraft paper board. Kraft paper is widely used as a packaging box because its main characteristics are flexible interpretation elastic, and has a large break resistance, folding resistance and better water resistance, so it is widely used in the production of hardcover packaging boxes, cosmetics packaging boxes, industrial products, textiles, daily necessities, videos, construction raw materials packaging.
