Fresh-keeping bag is a very common item in our life. I believe many families keep it at home. It is best not to put a lot of food at home in the room temperature after eating. Because food is easy to go bad at room temperature, it is generally best to put it in the refrigerator, and there are various foods in the refrigerator. If you don't use fresh-keeping bag to separate all kinds of foods, the food is easy to smell. Some friends also like to directly put the food covered with fresh-keeping bag in the microwave oven for heating, but can this be done?

Can the fresh-keeping bag be heated in the microwave oven?

At present, the plastic wrap sold in the market is mainly divided into three categories. One is PVC plastic wrap. Although it can be used for food preservation, it can't be heated in microwave oven or used for packaging oily foods because it may contain benzene ring plasticizers, otherwise the compounds will be harmful to human health. One kind is PE plastic wrap, which is widely used in the market because of its high safety without adding plasticizer; There is also a kind of PVDC preservative film, which is not widely used and sold because of the high production cost, and is only used for the preservation of some high-priced products.

It is understood that since 2009 1 February1day, the new national standard "Plastic self-adhesive cling film for food" has been officially implemented, which stipulates that PVC cling film should be marked with warnings such as "Do not touch greasy food", "Do not heat it in microwave oven" and "Do not use it at high temperature". The plastic wrap that can be heated by microwave oven should be marked with the words "can be used by microwave oven", and the heating method and the highest temperature resistance should be marked in detail. If you can heat food in a microwave oven, don't use plastic if you can use glass ceramics. If it is convenient to carry, you should also buy qualified microwave plastic lunch boxes or films (pay attention to whether PE or PVDC is indicated on the package. If not, don't buy it). Cancer is a long process. Many people will not see their physical changes in the near future, so don't ignore this invisible killer.

Matters needing attention in using microwave oven plastic wrap

When heating oily food, the plastic wrap should be kept in isolation from the food, and the two should not be in direct contact. Because when the food is heated, the food oil may reach a very high temperature, so that the plastic wrap is damaged and sticks to the food. When heating food, you should cover the utensils with plastic wrap, and then stick a few holes in the plastic wrap with needles such as toothpicks to facilitate the evaporation of water and prevent the plastic wrap from bursting due to gas expansion. The maximum heat-resistant temperature marked by different brands of plastic wrap is different, and some of them are about 10℃. When the temperature in the microwave oven is high, it will generally reach about 1 10℃. When heating for a long time is needed, you can pay attention to choosing plastic wrap with higher heat resistance.

In the above, we introduced the relevant answers about whether the fresh-keeping bags can be heated in the microwave oven, because many packages of fresh-keeping bags on the market now say that the products can be heated in the microwave oven at a high temperature of 180 degrees, and some products say that they can be heated in the microwave oven, but are these actually ok? So in order to help you better understand whether these products are harmful in the microwave oven, we introduced the above two contents for you. When you buy fresh-keeping bags, you should also pay attention to reading.

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