Now more and more convenient food is seen in the daily life, such as: microwave food, frozen food and so on. Most of the frozen food packaging bags are not paper bags, they have been using the international advanced multi-layer high barrier packaging bags.
The packaging materials are green, safe, environmental-friendly and possessing a high moisture barrier. One food bag may with three layers, five layers, seven layer or more.
It does not use glue but more than 3 extruder machines, melt the raw polyresin materials such as PA, PE, PP, PET, EVOH separately, then combine the materials layer by layer, some other polymer materials are added, like polyester or nylon. The whole manufacture process is no pollution.
The new food bags come with high separation, high intensity and high flexibility.
For instance, the seven layers high barrier packaging bags are composed of more than two layers of nylon, which means the bags with higher tear-resistance, higher strength with good property of – 45 ℃ low temperature and 120 ℃ high temperature, suction vacuum degree can reach 100%, not easily broken or frozen cracked, with good property of high and low temperature, easy to storage and transport.
The special food bags can effectively avoid the water erosion and food oxidation, and preventing microbes like bacterial breeding, so as to extend storage time of frozen food.
common OPP&PE food bag
Bags with self sealing closure is popular for food packaging. There are many mailer plastic bags.
Food packaging bags and food shopping bags are ordinary items in our life, only the manufacturing process and the materials are green and safe, can our life be safe and comfortable.
