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What are the twelve structural types of commonly used packaging bag films

　　　　1. Single film:　　It is required to be transparent, non-toxic, impermeable, with good heat sealing and bag making properties, heat and cold resistance, mecha...

What are the advantages of vacuum packaging bags for food packaging

　　　　Vacuum packaging bags for food are mostly used for green packaging of rice, cooked food, tea, Chinese herbal medicine, etc., which can extend the shelf life...

Difference between high-temperature vacuum bag and freezing vacuum bag

　　　　High temperature vacuum bag is a typical polyolefin polymer just like freezing vacuum bag. The two kinds of vacuum bags have many similarities, such as non-...

What is the material of cooking bag

　　　　Material requirements for film substrate and chemical materials　　The film material used for the production of cooking bags is the basis to meet the cooking ...

The thickness control of vacuum packaging bag is very important

　　　　1. The thickness and thickness uniformity of the finished product mainly depend on the thickness and uniformity of the single-layer film before the vacuum p...

Production mode of pvc packaging bag

　　　　High frequency hot pressing PVC bag, that is, after the PVC roll film is cut into pieces by blanking, it needs to be printed with silk screen (PVC is genera...