Puffed food in swathes of the world, nature is little not, then puffed
food packaging bags do you understand?
Its design features have?
First, we need to look at what is puffed food, what are the characteristics?
Puffed food mainly water less grain, potato, beans, etc as main raw material, they are after dealing with the pressure and heat to make the volume expansion of material itself, the internal organizational structure also has changed, after processing, molding and made.
The characteristics of puffed food: 1.
Low water content of 2.
Fried type puffed food grease content is higher, easy to 3 oxidation changes.
Puffed food organization loose, high brittleness, low mechanical strength, occupy larger 4 space.
Flavor type puffed food moisture absorption increases.
Puffed food packaging material needs to have what performance?
1.
Packaging material should use avirulent harmless material, refused to use PVC (
PVC)
Synthesis, such as plastic, cause harmful material, printing ink should choose environmentally friendly printing ink.
2.
Packaging materials should have good resistance to wet, humidity of moist resistance is to reduce the packaging.
3.
Resistance capability, protect the easy oxidation of puffed food contains ingredients.
4.
Blocking light, the light to food of fatty acids, pigment, vitamins to produce oxidative degradation, this results in a decreased nutritional value of food.
5.
The tensile strength, elongation at break, impact strength and tear strength.
6.
Oil resistance, prevent fat oxidation and spillover.
Above is the puffed food packaging design features.
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