What are the bags used by the packaging machine?
The packaging machine produced by Kenwei Zhongshan has a wide range of packaging bags. The packaging bags used are also various. For the plastic particle industry, the following packaging bags can be used.
Packing bag classification:
1. Multi-layer kraft paper bag: three-layer or multi-layer kraft paper bag, which can be coated with a PP film on the paper to play a waterproof role; imported Russian kraft paper or Canadian white kraft paper. Inner film bag can also be added. Also color offset printing. The form is a seam bottom opening, which has the characteristics of environmental protection and hygiene.
2. Three-in-one paper-plastic composite bag: Also known as three-in-one composite paper bag, it is a small bulk container, which is mainly realized by human or forklift for unit transportation.It is convenient for shipping small bulk powder and granular materials. Easy to load and unload and other characteristics, it is one of the most popular and practical ordinary packaging materials.
3. Square bottom open bag: also called square bottom open pocket. It is a packaging bag that takes into account both traditional ideas and advanced ideas.The bottom of the bag is square, so that the overall effect of the bag can be comparable to the square bottom valve bag; the opening is flat-mouthed, which is the same as the sealing method of the bottom-sealed bag, suitable for In the traditional sewing sealing method, a layer of plastic film can be added in the middle of the paper, which is used to package products that need to be protected from moisture.
4. Square bottom valve pocket: Commonly known as bottom bag, it is a packaging bag born under the guidance of the idea of ??improving packaging efficiency and convenient transportation. The overall appearance of the bag is square, which is very suitable for stacking and transportation; the valve port at the bottom is convenient for filling materials, and the sealing is simple and easy. New environmentally friendly packaging suitable for canned equipment can be divided into: paper-plastic composite valve pockets or multilayer paper valve pockets. For convenience during filling, holes can be punched in the bag body to facilitate gas discharge and prevent the bag from bursting during filling. A layer of plastic film can be added in the middle of the paper for packaging products that require moisture resistance.
5. Open bottom seam bag (open bottom seam bag): It is a traditional form of packaging bag used by the majority of enterprises. The bottom is sealed with high-strength fiber thread, and it contains an easy-to-pull opening, which is more convenient for operation when unpacking. This bag can be used with plastic bags and aluminum foil bags. Products suitable for packaging: chemical raw materials, plastic materials, dry powder building materials, fine minerals, nano materials, food additives, etc.