Cheese Aluminum Foil Packaging: A New Force in Food Preservation and Packaging Innovation
The influence of aluminum foil bag for heat sealing strength
by：Kolysen
2020-12-14
Aluminum foil bag material is the carrier of the bonding layer, it is the quality of products has great effect on heat sealing strength.
Especially the oil on the surface of the aluminum foil bag material, can weaken the binder and the bond force between the aluminum foil.
If you have any oil aluminum foil bag of material surface and the surface tension is lower than 31 mn/m, it is difficult to reach the heat sealing strength of thought, and therefore must be strictly to good quality aluminum foil bag material.
In addition, in the process of production found various aspects technology indicators meet the requirements of some batches material of aluminum foil bag, haven't changed at all process conditions under the condition of coating adhesive, but the heat sealing strength still can not meet the requirements of the end product, the reason may be that with the original aluminum foil surface of the metal composition and luminosity is not enough.
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