1. Polymer: Plastic bread bags are usually made of polymers, such as HDPE or OPP.
2. Biodegradable Plastics: To reduce the impact on the environment, some plastic bread bags are made of biodegradable plastic, which can be broken down into non-hazardous substances.
3. Sealing Performance: The sealing performance of the plastic bread bag refers to whether it can effectively seal the bread, prevent air and moisture from entering, and maintain the freshness of the food
4. Printing Durability: When printing a logo, label or related information on a plastic bread bag, it is necessary to ensure that the print has sufficient durability and is not easy to wear or fade.
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