Many food production companies will use food packaging bags, that is, packaging bags used to pack various foods. 90% of the food in supermarkets are packed with food bags. Many customers do not know how to do it for the first time. Let's choose the material of the food bag. Today Xiangyu Plastic will introduce the characteristics of various materials to facilitate food manufacturers to accurately select materials when making food bags.
1: Bidirectional stretch PET film: high transparency, high temperature resistance, prevent stretching
2: Cast polypropylene CPP: General transparency, high temperature resistance, low temperature resistance -40 degrees -120 degrees
3: Polyethylene PE: transparent, heat-resistant, soft, can be evacuated but the sealing is not particularly good
4: NY / nylon: colorless, transparent, good sealing, with PE is the best vacuum material
5: Aluminum foil / AL: silver, opaque, anti-scratch barrier performance, the best material for moisture resistance