The kraft paper made by our common kraft paper bag machine is generally yellowish brown, and it is often used to make bags and wrapping paper. There are many types of kraft paper on the market. According to the nature and use of kraft paper, we can often classify it. According to different classifications, it will be easier for us to find the kraft paper we need.
1. Kraft paper usually keeps its yellowish-brown color, suitable for bags and wrapping paper. Depending on its properties and uses, kraft paper has various uses. Kraft paper is a collective name for a kind of paper, and there is no certain specification, and it is generally classified according to its nature and use.
2. According to the different colors, it can be divided into: primary color kraft paper, red pine kraft paper, white kraft paper, flat kraft paper, single-gloss kraft paper, and two-color kraft paper.
3. According to different purposes, it can be divided into: packaging kraft paper, waterproof kraft paper, moisture-proof kraft paper, anti-rust kraft paper, pattern-making kraft paper, process kraft paper, insulation kraft paper, and kraft stickers.
4. According to 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. Kraft paper color reasons
Different sources of kraft paper raw materials, different production batches, different production seasons, different production machines, etc. Many reasons will affect the color of the kraft paper roll base paper. This difference in color is difficult to avoid, and it is also Uncontrollable, generally the same batch of kraft paper can guarantee 98% consistent color. Kraft paper applications and uses
1. Kraft paper is used in various industries such as chemical industry and machinery, especially widely used in food packaging industry. Kraft paper is widely used in various packaging supplies, such as paper bags, handbag kraft paper, color boxes, paper cups, gift box kraft paper, printing kraft paper, notebook kraft paper, workbook kraft paper, and special kraft paper for envelopes.
2. Food packaging should follow the principle of convenience and convenience. The tensile strength of kraft paper makes it very suitable for packaging needs. In order to prevent the bag from being pulled off when consumers carry out food, the packaging material is required to have good tensile strength. Beverage packaging requires that the material has a certain resistance to moisture and deformation to prevent deformation and damage due to water absorption.
3. As shown in the picture, we have packed 2 books in a handbag, 2 books are 2kg, the bearing capacity is still OK, the bottom is not broken, and the handle is not broken. The glue we use to make paper bags
It consists of two parts: base material and adhesive. The adhesive material is mainly hot melt adhesive, pressure sensitive adhesive, acrylic adhesive, synthetic rubber, natural rubber, etc. The base materials include polypropylene film, polyvinyl chloride film, fiber cloth, fiber plastic, sponge, foam, tissue paper and other materials. But the glue used in our craft is hot melt glue, which belongs to glue used for food grade paper bags.
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