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How to choose plastic bags?
1. Pay attention to the material of product labeling: polyethylene bag (PE) is widely used in food packaging; Polypropylene bags (PP) with high transparency, mainly used for bread, small food packaging; Polyvinyl chloride bags (PVC) can also be used for vegetables, fruits and other perishable food packaging, but not for oily food packaging,...
2. When using microwave oven to heat food, should choose to have "microwave oven special" plastic bag.
Use plastic bags instead of plastic bags for refrigerated and frozen food. The special technology and raw materials of the plastic bag or film have good air permeability and preservation performance, while the ordinary plastic bag will make the food spoilage for a long time, unable to achieve the purpose of preservation.
4. It's best to use a clear plastic bag.
