Food packaging bags of four appraisal method

From early to late, we need to consume large amounts of food in one day. As more and more people turn to baking and cooking, the number of consumers to buy food packaging is also on the rise. A lot of friends in the purchase and use food packaging bags, however, often make mistakes, vacuum packing bag factory today to just teach you how to get out of the wrong, the correct choice to use food packaging bags. Toxic food packaging bags and nontoxic plastic identification can adopt the following methods: simple water detection: the plastic bag into the water, non-toxic plastic bags into the water, can float on the surface of the water, toxic plastic bags will not float upwards. Hand touch detection: touch bags, have the feeling of lubrication is non-toxic, it is poisonous. Shake detection: hold the end of the plastic bag with the hand, flap forcibly, non-toxic clear sound, the opposite is poisonous. Fire detection: one side of the plastic bag can be cut, have fire prevention sex is toxic, flammable nontoxic. That's some method for the identification of food sack is toxic, hurry to get to know. If you have any questions about our food packaging bags, please feel free to ask us.

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