(1) Aluminum foil surface is clean, sanitary, no bacteria or micro-organisms can not grow on its surface. 

(2) aluminum foil is a non-toxic packaging material, it can directly contact with food without any harm to human health. 

(3) aluminum foil is a kind of tasteless odorless packaging material, will not make the packaging of food have any peculiar smell. 

(4) aluminum foil itself is not volatile, it itself and packaged food will never dry or shrink. 

(5) at high temperature or low temperature, aluminum foil will not have the phenomenon of oil permeability. 

(6) aluminum foil is a kind of opaque packaging material, so it is a kind of good packing material for the products of sunlight irradiation. 

(7) aluminum foil has good plasticity, so it can be used to pack all kinds of products. Can also cause any shape containers.