22/07/08
Color classification of kraft paper

Color classification of kraft paper:
1. Natural kraft paper, brown in color, dull in color, and obvious impurities on its surface. It is generally used for outer packaging, mainly for dustproof, moisture-proof and shock-proof functions.
2. Single-sided smooth kraft paper - on the basis of the base paper, one side is processed by the base pulp coating, and the surface of the coated side is smooth and shiny, yellow-brown, and can be printed. On the other hand, it is basically the same as the primary color kraft paper, with impurities.
3. Double-sided smooth kraft paper - all wood pulp kraft paper, both sides are relatively smooth and shiny, the color layer is brown, can be printed in multiple colors, and both sides have a full wood pulp coating, which is tough. It belongs to high-grade double-sided linerboard. The imported ones are generally (Russian kraft cardboard, American kraft cardboard, etc., and domestically produced double-sided Red Bull. Generally, some physical properties of imported double-sided kraft cardboard are better than those of domestic ones.
4. White kraft paper - double-sided white kraft paper, which can be divided into domestic white kraft and imported white kraft. Generally speaking, white kraft paper is divided into white and super white, and super white is sometimes called high white kraft paper. According to the different properties of the paper, there are flame retardant white kraft paper, high wet strength white kraft paper, waterproof white kraft paper and ashless white kraft paper. for a
Some packaging and printing products, but also laminating, laminating, embossing, dyeing, food grade, etc.
5. Yellow kraft paper - there are two kinds, one is pure bright yellow on both sides, which is refined kraft paper, and the other is yellow kraft paper with stripes on both sides, also called chicken skin paper. These two kinds of paper belong to high-grade kraft paper, and the price is relatively expensive.
6. Black kraft paper - black kraft paper with lower gram weight is called black kraft paper, and higher gram weight is called black cardboard. Paper, all-wood paddle black card stock. Suitable for photo albums, photo frames, backboards, gift boxes, jewelry boxes, mobile phone boxes, shoe boxes, stationery, clothing tags, notebooks, desk calendars, handbags and
Speaker speaker electronic gasket and various handicraft packaging.
7. White-faced kraft paper - there are coated kraft paper and white-faced kraft paper. The color of coated kraft paper is white on one side and yellow on the other side, and white liner kraft paper on one side is white and gray on the other side.
RELEVANT
22/06/28
The difference between food white kraft paper and ordinary kraft paper!
Whether it is in the food packaging material manufacturing industry such as cooked vegetable packaging, beverages and dry goods knowledge tea, it has always been very easy to find packaging made of packaging paper.
22/07/08
Longitudinal and horizontal judgment method of kraft paper
Kraft paper is divided into longitudinal and transverse directions. Most of the fibers are arranged in the direction of the running direction of the paper machine, and in this direction, the kraft paper bears a greater traction, which is the so-called machine direction. The cross direction of the kraft paper is perpendicular to the running direction of the paper machine.
22/07/08
What material is the natural kraft paper made of
Many people are not sure what material the natural kraft paper is made of. Some people see why the kraft paper is called kraft paper, and they think that there is a cowhide in it.