Why can't vacuum food bags be heated in a microwave oven.

微波爐是利用食物傍邊含有的水分子作為介質(zhì)，可以吸收微波中的能*，使分子發(fā)生劇烈震動，摩擦，然后產(chǎn)生熱量，運用過微波爐的朋友們都知道，金屬的容器是不可以直接放進(jìn)微波爐加熱的。

The microwave oven uses the water molecules near the food as the medium, which can absorb the energy in the microwave, make the molecules vibrate violently, rub, and then generate heat. Friends who have used the microwave oven know that metal containers can not be directly put into the microwave oven for heating.

而由非*性分子材質(zhì)組成的容器，他們基本上不吸收或許很少吸收微波傍邊的能*，比如塑料制品和玻璃等絕緣體，他們可以透過微波，而不吸收微波中的能量，可以作為微波加熱用的容器或許支撐物。

For containers made of non * molecular materials, they basically do not absorb or rarely absorb the energy near the microwave *, such as insulators such as plastic products and glass. They can pass through the microwave without absorbing the energy in the microwave, and can be used as containers or supports for microwave heating.

雖然塑料不吸收微波中的能量，可是有的塑料在加熱之后，他的穩(wěn)定性可以變差并釋放出有毒物質(zhì)或許致癌物，只要運用蒸煮等級的塑料包裝袋才能在微波爐中加熱確保食物安*，一般來說溫度加熱不要超過120度，防止在加熱的過程中部分溫度過高，然后釋放出對人體有害的物質(zhì)。

Although plastics do not absorb the energy in the microwave, some plastics can deteriorate their stability and release toxic substances or carcinogens after heating. Only use cooking grade plastic packaging bags to heat in the microwave oven to ensure food safety. Generally speaking, the temperature should not exceed 120 degrees to prevent part of the temperature from being too high in the heating process, and then release substances harmful to human body.

所以，總的來說，塑料本身放進(jìn)微波爐是沒有什么問題的，可是加熱會使塑料包裝袋性質(zhì)發(fā)生變化，釋放出有毒物質(zhì)，導(dǎo)致食物安*問題，所以，真空包裝袋是不能用微波爐進(jìn)行加熱的。

Therefore, generally speaking, there is no problem with putting the plastic itself into the microwave oven, but heating will change the nature of the plastic packaging bag, release toxic substances, and lead to food safety problems. Therefore, vacuum packaging bags cannot be heated in the microwave oven.

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