Before the distinguish of
food packaging composite film we need to understand what is food packaging composite film bag?
Is very simple, food packaging composite film is composed of two or more materials film, general plastic, aluminum foil, paper and other materials made with adhesive, thermal bonding method, has the protection function.
There is a problem, what kind of food with food on composite packaging film?
Common food on market has a lot of, such as instant noodles, biscuits, puffed food, candy, milk, milk powder, beverage, deli, beef jerky, chestnut, pickle and so on in the form of flexible packaging sales of food are made of food packaging composite film packaging.
Finally, we mainly talk about how to identify food packaging composite film quality?
1, through the nose to smell, shoddy food packaging composite film has solvent residual, are irritating smell.
2, with the hand of food packaging composite film on the surface of the coating, inferior product paint sticky relay is not strong, the coating has a loss.
3, observation of food packaging composite film with and without statified phenomenon, inferior products composite strength is low, easy to produce delamination now?
Everyone learn how to identify the quality of the food packaging composite film?
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