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How to avoid inferior disposable lunch boxes?

  • 2022-03-17 15:39:22

How to avoid inferior disposable lunch boxes? The best way to avoid this problem is, of course. But it is too difficult for workers who have been tired and hungry for a day to cook by themselves. Next, Shiyou Eco-friendly Food Container will introduce to you the method of identifying inferior disposable lunch boxes.


1. In terms of color, the qualified products have uniform color and fine texture; The color of unqualified products is dark and uneven. When fluorescent substances are added individually, the color does not look very natural.


2. In terms of taste, qualified products basically don't have much taste; And inferior products basically have a large peculiar smell.


3. From the hand feel, the qualified products are relatively soft and not fragile when kneaded by hand; The surface of unqualified products is rough and the flexibility is poor. The products are easy to be broken after repeated folding by hand.

disposable plastic clear food packing


In addition, we should pay attention to the use temperature of different material lunch boxes. The meal box made of PS is hard and easy to crack. It is suitable for holding refrigerated food. It is not suitable for heating food in a microwave oven. The meal box made of PP has good heat resistance, the melting point is about 170 ℃, and can be heated in the microwave oven.


However, it is worth noting that some businesses will use different materials for the lid of the lunch box in order to save costs, so it is recommended to confirm whether there is PP mark on the lid.


The temperature tolerance and taboo conditions of plastics made of different materials. Pay attention to the requirements of different food ingredients for lunch boxes. Foods with high fat and sugar content are not suitable to be put into disposable plastic lunch boxes. Because the boiling point of oil is easy to exceed the heat-resistant limit of plastic, chemical substances such as oil, sugar in food and plasticizer in lunch box are prone to chemical reaction, which makes toxic substances migrate and cause human damage.

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