Kraft paper bags are non-toxic. Odorless. Zero pollution, in line with China’s environmental protection level, with high resilience. Highly environmentally friendly, it is one of the most popular environmentally friendly packaging materials in the world. Kraft paper bags have been more widely used in shopping centers, large shopping centers, brand shoe stores, fashion stores and other places. Generally, kraft paper bags are available to facilitate customers to carry and buy items. Kraft paper bag is an energy-saving and environmentally friendly packaging bag with a wide variety.
Type 1: According to the material, it can be divided into: A. Pure kraft paper bag; B. Paper aluminum composite kraft paper bag (kraft paper composite aluminum platinum); C: Packaging bag composite kraft paper bag (generally larger bag size)
2. According to the bag type, it can be divided into: a. three-side sealing kraft paper bag; b. side accordion kraft paper bag; c. independent kraft paper bag; d. zipper kraft paper bag; e. independent zipper kraft paper bag.
3. According to the appearance of the bag, it can be divided into: a. valve bag; b. square bottom bag; c. seam bottom bag; d. heat sealing bag; e. heat sealing square bottom bag.
Defining shows
Kraft paper bags are packaging materials made of composite materials or pure kraft paper. They are non-toxic, odorless, and pollution-free. They are in line with China’s environmental protection level. They have high toughness and high environmental protection. They are one of the most popular environmentally friendly packaging materials in the world.
Process description.
The kraft paper bag is made of all-wood paddle paper. The color is divided into milky white kraft paper and light yellow kraft paper. The PP material coating film can be selected, which has a moisture-proof effect. The strength of the packaging bag can be made into one to six layers according to the user’s regulations. Production integration. Opening and bottom sealing methods are divided into heat sealing, paper sealing and bottom.
practice
Due to its environmental protection characteristics, kraft paper bags are favored by everyone, especially in almost all countries in Europe, so there are several methods of kraft paper bags.
1. Small and medium-sized white kraft paper bags, generally the total number of such bags is large, and the application range is general, because many shops stipulate that this kind of kraft paper bag is economical and durable, usually this kind of kraft paper bag is machine formed, machine rope, and is completely operated by the machine.
2. The practice of small and medium-sized kraft paper bags. Generally speaking, small and medium-sized kraft paper bags are hand-made kraft paper bags after being shaped by machines. Because at this stage, my country’s kraft paper bag forming machinery and equipment are limited by the forming specifications, the kraft paper bag rope machine only sticks Small handbag rope, so the practice of kraft paper bag is limited by the machine. Many bags cannot be produced by the machine alone.
3. Large packaging bags, there are reverse kraft paper bags, thick kraft paper bags, this kraft paper bag is purely handmade, at present, my country has not dealt with this kind of kraft paper bag forming machine, only hand-made, the cost of this kind of kraft paper bag product is high, the total number is not Easy big.
4. No matter what kind of kraft paper bag above, if the total amount is insufficient, it is generally hand-made. Due to the large loss of machine-made kraft paper bags, it is impossible to handle the practice of small total kraft paper bags.
technical parameter
Applicable form: one-time use.
Appearance: flat bag, square bottom open bag, square bottom valve bag, one word paste bottom bag (food packaging material)
Raw materials: polypropylene, kraft paper, aluminum platinum.
Supplement: 0.2kg-50kg.
Sewing method: paper back cover, heat back cover, stick pan.
Lining: Lining. Endometrial bag.
Application field
It is suitable for all fields of kraft paper bag packaging, such as chemical raw materials, food, pharmaceutical additives, building decoration materials, supermarket shopping, clothing, etc.