For the public, in order to correctly select and use qualified packaging bags, the following points should be paid attention to:

1、食品用包装袋外包装应有中文标识，包括厂名、生产厂址、产品名称，并在明显处标注“食品用”字样。一旦产品出厂，均附有产品检验合格证。可以说，这是更直观的确认食品用包装袋是否合格的手段。

1. The outer packaging of food packaging bags shall be marked in Chinese, including factory name, production site and product name, and the words "for food" shall be marked in obvious places. Once the products leave the factory, they are attached with product inspection certificate. It can be said that this is a more intuitive means to confirm whether food packaging bags are qualified.

2、食品用包装袋制成出厂时应是无臭无味的，若是有特殊气味，切不能用于食品包装上。

2. Food is made of packaging bags. When leaving the factory, it should be odorless and tasteless. If there is a special smell, it must not be used on food packaging.

3、包装材料尽量避免加涂镀层。若仅为了保持包装美观而使用大量涂镀层材料，那就完全没有必要。这不仅在于加涂镀层增加了包装袋材料回收、再利用的难度，而且还在于大部分涂层材料自身具有毒性。同时，涂镀工艺会对环境造成一定污染，不符合可持续发展战略的理念。

3. Try to avoid coating the packaging materials. If a large number of coating materials are used only to maintain the beauty of the package, it is completely unnecessary. This is not only because the coating increases the difficulty of recycling and reuse of packaging bag materials, but also because most coating materials are toxic. At the same time, the coating process will cause some pollution to the environment, which is not in line with the concept of sustainable development strategy.

4、根据可持续发展战略的理念，在选择食品包装时可选择绿色包装材料，譬如生物降解塑料。

4. According to the concept of sustainable development strategy, green packaging materials, such as biodegradable plastics, can be selected when selecting food packaging.

5、有色包装袋不应用于食品包装。

5. Colored bags shall not be used for food packaging.

根据上述所提，虽然对如何正确选择和使用合格的食品用包装袋有了大致的了解，但是否还想更进一步的辨明手边的食品包装袋没毒性呢？没关系，有几个小方法可以轻松尝试：

According to the above, although we have a general understanding of how to correctly select and use qualified food packaging bags, do you want to further identify that the food packaging bags at hand are not toxic? It doesn't matter. There are a few easy ways to try:

浸水法：将塑料袋浸入水中，若没毒性，包装袋可浮出水面；反之，包装袋不会上浮。

Immersion method: immerse the plastic bag in water. If there is no toxicity, the packaging bag can surface; On the contrary, the bag will not float.

触摸法：直接用手触摸塑料袋，若包装袋有润滑感，则没毒性；反之，有毒性。

Touch method: directly touch the plastic bag by hand. If the bag has a sense of lubrication, it is not toxic; Conversely, toxic.

拍打法：将包装袋悬空抓起，用力拍打，若能发出清脆声响，说明包装袋没毒性；反之则有毒性。

Patting method: hang the packaging bag in the air and pat it hard. If it can make a crisp sound, it means that the packaging bag is not toxic; Otherwise, it is toxic.

火烧法：可将包装袋剪下一角，点燃，若其容易燃烧则没毒性；反之则有毒性。

Fire burning method: cut a corner of the packaging bag and ignite it. If it is easy to burn, it is not toxic; Otherwise, it is toxic.

巧妙利用上述所说注意点和方法，能够帮你在生活正确选用食品包装袋。

Clever use of the above points and methods can help you choose food packaging bags correctly in your life.

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