What are the common packaging forms of convenient preparation food?

What is a prepared convenience food? Brewed food: Brewed food is a new type of liquid beverage alternative food on the market at present, most of which are solid or semi-liquid, except for honey, mostly in small packages, easy to carry, that is, drink and flush
.

For example: milk powder; cereal; instant coffee; Guo Zhen; Milk tea; soy milk powder; Honey and so on
.

What are the common packaging forms of convenient preparation food? (1) Plastic composite film: that is, the packaging film composed of plastic film and plastic film, and the state
of the contents can be observed.

Since the barrier properties of composite films of different materials vary greatly, when using such composite films, attention should be paid to their barrier properties
.

(2) Aluminum-plastic composite film: that is, the packaging film composed of aluminum foil and plastic film, high barrier and good shading, pay attention to its rubbing resistance when using, and prevent it from reducing
its barrier due to poor rubbing resistance.

(3) Aluminized composite film: that is, the packaging film composed of aluminized film and plastic film, high barrier and good shading, and its barrier and kneading resistance should be paid attention to when using
.