Food packaging bags tell you how to distinguish the material of plastic bags

There are various materials for food plastic packaging bags, such as polyethylene, polypropylene, nylon and polyester. As a consumer, how to identify the material of food plastic packaging bags? Some food plastic packaging bags will have one“△”symbols of. The numbers inside represent the main components of the plastic packaging. The plastic code is composed of the corresponding abbreviation code, and the figure is an equilateral triangle with three arrows, representing the material category is plastic. The plastic code is a combination of 0 and an Arabic numeral sequence number, which is located in the center of the figure and represents different. Plastic abbreviations are located below the graphic: 1. Polyester: 01 PET 2. High Density Polyethylene: 02 HDPE 3. Polyvinyl Chloride: 03 PVC 4. Low Density Polyethylene: 04 LDPE 5. Polypropylene: 05 PP 6. Polyethylene Styrene: 06 PS 7. Other plastic code: 07 Others Of course, some food plastic packaging bags do not have this mark, so you can touch them, PE food plastic packaging bags are softer, and PP food plastic packaging bags are hard.
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