When packaging food in food composite bags, it is important not to use food
composite bags with poor printing quality, especially when packaging daily food.
The printed font pigments can easily stick to the food and cause food
pollution.
For example, when packaging Dim sum, poorly printed fonts are easy to stick
to Dim sum. Pigments are chemical reagents, toxic substances, and harmful to
human health. In other foods, such as Mantou, various steamed buns and cakes in
supermarkets, it is not easy to use food compound bags with fonts on them.
Try to choose materials that are not coated or plated. Because from modern
packaging design, it can be understood that many manufacturers use materials
with coatings in order to make the packaging more beautiful and
corrosion-resistant. This not only makes it difficult to recycle and reuse
products after scrapping, but also most coatings themselves have toxicity. If
people consume food packaged with this coating, it will cause great harm to
their health. In addition, the coating and plating processes have also brought
great pollution to the environment. For example, toxic solvent gases are
evaporated from coatings, and chromium containing waste liquid and slag are
generated during electroplating. Therefore, packaging materials that are not
coated or plated should be chosen as much as possible.
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