聽有新聞講，一次性外賣打包盒如果被多次使用，會產(chǎn)生對人體有害的物質(zhì)，引發(fā)癌變！其實(shí)很多上了年紀(jì)的人都有這個(gè)習(xí)慣，就是因?yàn)橹貜?fù)利用打包盒，既可以用來裝東西，洗起來也不容易打碎，甚至還可以少洗幾次碗，這些無疑是非常方便快捷的。那么打包盒是否真的可以重復(fù)使用？是否也能和陶瓷碗一樣，利用微波加熱呢？

According to the news, if the disposable takeaway box is used for many times, it will produce substances harmful to human body and cause cancer! In fact, many elderly people have this habit. It is because the packaging box can be reused to hold things. It is not easy to break when washing. It can even wash the bowl a few times less. These are undoubtedly very convenient and fast. Can the packing box really be reused? Is it possible to use microwave heating just like ceramic bowls?

我們知道，食品在外包裝的配料表上，可以知道它的成分，合不合格，有沒有營養(yǎng)。對于打包的餐盒而言，它們也有自己的“身份牌”！有些打包盒確實(shí)可以循環(huán)使用，以及微波加熱，但有些還真得一次性使用。

We know that on the ingredient list of the outer packaging, we can know its composition, whether it is qualified or not, and whether it has nutrition. For packaged lunch boxes, they also have their own "identity cards"! Some packaging boxes can be recycled and microwave heated, but some are really disposable.

在可回收的塑料容器底部，都會有一個(gè)三角形形狀的標(biāo)記，里面的數(shù)字包含了1-7，總共7個(gè)數(shù)字（一個(gè)三角僅對應(yīng)一個(gè)數(shù)字）。這些數(shù)字的作用，即是用來區(qū)分這些材料的材質(zhì)以及作用。

At the bottom of the recyclable plastic container, there will be a triangle shaped mark. The number in it contains 1-7, a total of 7 numbers (one triangle only corresponds to one number). The function of these numbers is to distinguish the materials and functions of these materials.

目前已經(jīng)知道的這7個(gè)數(shù)字內(nèi)，有且只有標(biāo)數(shù)字5的塑料打包盒才能真正放入微波爐加熱，并且能夠做到重復(fù)循環(huán)使用。而標(biāo)記為3號、6號、7號的材質(zhì)，并不推薦加熱或循環(huán)使用?。?號常見于飲料瓶材料、2號常見于藥瓶、4號常見于包裝膜）

Among the 7 known figures, only the plastic packaging box marked with number 5 can be put into the microwave oven for heating, and can be reused. The materials marked as No. 3, No. 6 and No. 7 are not recommended to be heated or recycled! (No. 1 is common in beverage bottle material, No. 2 is common in medicine bottle, and No. 4 is common in packaging film)

有害材質(zhì)的塑料打包盒

Plastic packing box with harmful materials

標(biāo)記3號：材質(zhì)為PVC。雖然耐熱度可達(dá)到80℃，但依然會在高溫加熱時(shí)，產(chǎn)生有害物質(zhì)，損害身體健康。長期使用，更有致癌風(fēng)險(xiǎn)！故不可加熱或重復(fù)利用。

Mark No. 3: PVC. Although the heat resistance can reach 80 ℃, it will still produce harmful substances when heated at high temperature, which will damage your health. Long term use, more carcinogenic risk! Therefore, it cannot be heated or reused.

標(biāo)記6號：材質(zhì)為PS。高溫下，亦會釋放危害身體的化學(xué)物質(zhì)，引發(fā)癌變。因此，6號數(shù)字的餐盒，不可微波加熱、不建議重復(fù)使用。

Mark No. 6: the material is PS. Under high temperature, it will also release chemicals harmful to the body and cause cancer. Therefore, the No. 6 digital lunch box cannot be heated by microwave and is not recommended to be reused.

標(biāo)記7號：材質(zhì)為PC。一般多用于水壺、奶瓶。因?yàn)檫@個(gè)材質(zhì)內(nèi)會含雙酚A，如微波加熱，釋放的雙酚A會導(dǎo)致乳腺癌、前列腺癌等。所以也是不可以加熱或重復(fù)使用。

Mark No. 7: the material is PC. It is generally used for water bottles and milk bottles. Because this material will contain bisphenol A, such as microwave heating, the release of bisphenol A will lead to breast cancer, prostate cancer, etc. Therefore, it can not be heated or reused.

而標(biāo)記5號的打包盒，材質(zhì)采用聚丙烯（PP），透氣性高，耐熱度強(qiáng)。可耐的高溫在120度，低溫是在-20度。不管是在加熱還是盛熱湯、熱菜，都不會釋放對身體有害的物質(zhì)。但需要特別注意的是，5號餐盒加熱時(shí)，需要拿掉蓋子，過熱的溫度，會使其在微波爐內(nèi)發(fā)生爆炸！一次性外賣打包盒如果在盒底沒有找到相應(yīng)標(biāo)注（即三角形圖標(biāo)、5號數(shù)字，和pp字樣），代表它無法微波加熱，也不可重復(fù)使用！

The packing box marked No. 5 is made of polypropylene (PP), which has high air permeability and strong heat resistance. The high temperature is 120 degrees and the low temperature is -20 degrees. No matter it is heating or holding hot soup or hot dishes, it will not release substances harmful to the body. However, it should be noted that when the No. 5 lunch box is heated, the lid needs to be removed. The overheated temperature will cause it to explode in the microwave oven! If there is no corresponding mark (i.e. triangle icon, No. 5 number and PP words) on the bottom of the disposable takeaway packaging box, it means that it cannot be heated by microwave and cannot be reused!

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