What kind of material is best for food preservation bags?
It is difficult for a single material to meet the various needs of food preservation. Fresh-keeping bags composed of a variety of materials can better meet the demand for preservation. PE/PA bags are generally the most cost-effective, with excellent barrier properties, heat resistance and physical strength. For example, Hubei Hawking vacuum bag brand uses PE/PA material, with good properties to ensure preservation quality.
(Food grade embossed vacuum roll bag Factory direct Complete specifications New material)