How much do you know about the classification and application of food packaging bags?

Food packaging bags refer to film containers that are in direct contact with food and are used to contain and protect food. In life, food packaging has the largest number and widest content, and most food is delivered to consumers after packaging. The more developed countries, the higher the packaging rate of goods. In today's internationalized commodity economy, food packaging and commodities have been integrated. As a means of realizing commodity value and use value, it is increasingly playing an important role in the fields of production, circulation, sales and consumption. Food packaging bags should be produced with food-grade plastic films, generally more than two-layer composite material packaging bags. Due to the diversity of food, there are many types and specifications of food packaging bags. According to different classification standards, it can be divided into the following types ▼ 1. According to the different production raw materials of packaging bags: low pressure polyethylene plastic bags, polyvinyl chloride plastic bags, high pressure polyethylene plastic bags, polypropylene plastic bags, etc. 2. According to the different shapes of the packaging bags: stand-up bags, sealed bags, vest bags, square bottom bags, rubber strip bags, sling bags, special-shaped bags, etc. 3. According to the different packaging forms: middle sealing bag, three-side sealing bag, four-side sealing bag, yin-yang bag, stand-up bag, zipper bag, suction bag, roll film, etc. 4. According to the different functions of the packaging bags: high temperature cooking bags, high barrier bags, vacuum packaging bags, etc. 5. According to the production process of the packaging bags: plastic packaging bags and composite packaging bags. For example, in our life, grain foods such as rice are usually packaged in food packaging bags such as vacuum packaging. The use of vacuum packaging can reduce the oxygen concentration in the storage environment, inhibit the respiration intensity of the rice and the reproduction of mold, prevent the rice from stale, moldy, insects, etc., and better maintain the quality of the rice. As a global professional manufacturer of intelligent weighing and packaging equipment, Guangdong Kenwei Intelligent Machinery Co., Ltd. has a variety of products that can be used for weighing and packaging of granular foods such as rice and mung beans. Polygonal leak-proof scale ●Suitable for small particles and powdered food such as rice and sugar; ●The material can be evenly distributed through the polygonal hopper; ●Specially made deep U-shaped vibrating plate to avoid leakage and waste; ●Using high-precision sensors from well-known brands , The weighing accuracy is higher, and the error can be controlled within 0.5g-1g. It is the best choice for the majority of food manufacturers and packaging manufacturers.