1.Classification of kraft paper:
Kraft paper usually maintains its yellowish-brown color and is suitable for bags and wrapping paper. According to the different properties and uses, kraft paper has various uses. Kraft paper is a general term for a kind of paper, and there is no certain specification. Generally, it is classified according to its properties and uses.
According to the different colors, it can be divided into: primary color kraft paper, red kraft paper, white kraft paper, flat kraft paper, single light kraft paper, two-color kraft paper, etc.
According to different uses, it can be divided into: packaging kraft paper, waterproof kraft paper, moisture-proof kraft paper, rust-proof kraft paper, patterned kraft paper, process kraft paper, insulating kraft paperboard, kraft stickers, etc.
According to the different materials, it can be divided into: recycled kraft paper, kraft core paper, kraft base paper, rough kraft paper, kraft wax paper, wood pulp kraft paper, composite kraft paper, etc.
2.Kraft paper color reasons:
Different sources of kraft paper raw materials, different production batches, different production seasons, different production machines, and many other reasons will affect the color of the kraft paper roll base paper, which is unavoidable and uncontrollable. , Generally, the same batch of kraft paper can guarantee 98% color consistency.
3.Kraft paper application:
Kraft paper is used in chemical, machinery and other industries, especially in the food packaging industry.
Kraft paper use: Kraft paper is widely used in various packaging supplies, paper bags, handbag kraft paper, color boxes, gift box kraft paper, and printing kraft paper.
Printing kraft paper, notebook kraft paper, workbook kraft paper, special kraft paper for envelopes.
The packaging of food should follow the principles of convenience and portability, and the anti-stretch advantage of kraft paper makes it very suitable for packaging needs. In order to prevent the bag from being pulled off when the consumer picks up the take-out food, the packaging material is required to have good tensile strength. Beverage packaging requires the material to have certain moisture resistance and non-deformation ability to prevent water-absorbing deformation and damage.
For the packaging of frozen food, the use of high-strength materials as packaging is also a key consideration. This material must be able to withstand the thermal expansion and contraction of low-temperature freezing and high-temperature thawing, and prevent deformation, distortion, wrinkling, and excessive moisture absorption. The condition of packing food. In these respects, primary color kraft paper is even more suitable than SBS paper.
For more product information, you can click here: kraft paper hardcover notebook.