Plasticizers are soluble in oil, insoluble in water, and fat When the food is in contact, the chemical composition contained in the food is dissolved in the food, which is harmful to health. In 2005, the AQSIQ issued the “Announcement on Strengthening the Staff of Food Preservative”, prohibiting The company uses PVC food fresh film directly to pack meat, cooked food and oily food.
However, since PVC plastic wrap is cheap than PE plastic wrap, it takes 30 cm to 400 meters, for example, PE material is about 50 yuan per volume, and PVC The material is about 30 yuan. In order to save costs, many companies are still using PVC plastic wrap and packaging cooked food. Consumers must open their eyes when purchasing these foods. So, how to distinguish PE plastic wrap and PVC plastic wrap?
Experts teach you three Tips: 1,China Scotch Bopp Tape Suppliers pay attention to the color of the whole wrapper film. Yellow is PVC, white is PE.PE plastic wrap the viscosity and transparency are generally poor. It is easy to open after rubbing, and after stretching Fracture; PVC plastic film has good transparency and viscosity. It is not easy to expand after kneading. It can be greatly widened and elongated, but will not break, and it is easy to stick to the hand.
PE plastic wrap is fired After that, the flame is yellow, the burning is rapid. It will not be extinguished when the fire is left. There is oil droplets, there is a candle, and the PVC plastic wrap contains chlorine. After the fire is ignited, the flame is yellow green, the smoke is large, no drip oil Phenomenon, extinguished after leaving the fire, there is a strong pungent smell.
Experts also reminded that PVC plastic wrap should not be heated in the microwave oven. When using PE plastic wrap, it should try to avoid direct contact with food, and play on plastic wrap Several small holes to avoid blasting.
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