Wrapping paper can be seen everywhere in life. Wrapping paper embellishes our colorful life and is also an important part of the paper industry. Today, the editor will give you an analysis of wrapping paper.
Packaging paper refers to the paper used for packaging, which has the characteristics of high strength, low moisture content, low air permeability and no corrosion effect. It has a certain water resistance, and it is very beautiful to use. Of course, paper used for food packaging also requires characteristics such as hygiene, sterility, and no contaminating impurities.
Packaging paper includes kraft paper, chicken skin paper, paper bag paper, parchment paper, cellophane, tar paper, moisture-proof paper, gunpowder wrapping paper, neutral wrapping paper, translucent paper, rust-proof paper, greaseproof paper, food wrapping paper, paraffin paper, Tea bag paper, red electric light gun paper, vacuum aluminized paper, composite paper, etc.
Paper used for packaging various commodities generally has high physical strength and certain water resistance. According to the characteristics of the product, the wrapping paper has corresponding special properties. Among the wrapping paper, the most used is the paper bag paper for packaging bulk powder and granular industrial and agricultural raw materials, such as cement, chemical fertilizer, etc., which are generally made of more than 3 to 4 layers of paper. Therefore, it is also called multi-layer paper bag paper to distinguish it from other bag paper for packaging light and fine goods. This type of wrapping paper mainly requires high strength, heavy load resistance, impact resistance, and proper air permeability. Food packaging paper has the most varieties and specifications. It is divided into two categories: inner packaging and outer packaging. The inner wrapping paper that is in direct contact with food is mainly required to be clean, free of germs, and has the characteristics of moisture-proof, oil-proof, stick-proof and mildew-proof.
The outer wrapping paper is mainly used to beautify and protect the commodity. In addition to requiring a certain physical strength, it also needs to be clean and beautiful, and is suitable for printing multi-color commodity patterns and characters. The wrapping paper for liquid beverages such as milk and vegetable juice must also be impermeable. In order to meet the needs of long-term preservation and preservation, special beverage soft packaging paper composited with paper and metal film, paper and plastic and metal film has been developed (see food packaging container). In order to meet the anti-rust needs of metal instruments and tools, anti-rust paper was developed. The vast majority of cardboard is also used for commodity packaging, mainly used in the manufacture of cartons, cartons and packaging liners.
According to the function, it can be divided into ordinary wrapping paper, special wrapping paper, food wrapping paper, commodity printing wrapping paper, etc.
