How to distinguish good and bad plastic products 2023-07-14
How to choose plastic products:
1. Preservative film The commercially available household preservative film is mainly polyethylene (PE) plastic film. When purchasing, you should look for the signs of "PE", "PVC-free", and "can be used for microwave heating". Such products are safe.
2. Plastic bags should be purchased in large shopping malls and reputable supermarkets. There are also some simple ways to roughly identify safe plastic bags: smooth to the touch, clear and crisp when shaken, flammable and emit white smoke in case of fire, and emerge from the water after entering the water, odorless and colorless.
3. Another kind of plastic wrap is polyvinyl chloride (PVC) plastic film, which is characterized by good transparency, not easy to break, strong adhesion, low price, and obvious scorched black marks when burned with fire. This kind of plastic wrap has added a large amount of plasticizer phthalates during processing, which will release harmful components when exposed to heat and oil