The difference between pure aluminum foil bag and aluminized foil bag
if the two materials are shined under the light, the pure aluminum bag is transparent while the aluminized bag is silver white and the brightness of aluminum foil is weaker than the aluminized bag.when touching the two types of bag, the aluminum foil bag is a little hardness while the aluminized foil bag is soft and has the ductility.
Aluminized foil bag and aluminum foil bag are both made by pure aluminum tablet.the pure aluminum is serve as the plastic film.the cost of metal aluminum used by aluminum foil bag is higher than the aluminized foil bag and the craft has obivious difference.as for the function and characteristic of aluminum bag, the material of aluminum bag has the advantages in barrier property,heat sealability, opacity,heat resistance,cold resistance,oil resistivity and fragrance-holding,poisonless and softness, which is quite suitable for the vacuum food(rice,meat,deli,ect.),electrical product(circuit board,electric product and electric cable). The package of precision equipment is aluminized foil bag,and the package is made of metal aluminum which has the funtion of light blocking and decoration.it is suitable for the tea leaves package.there are several methods to distinguish the aluminized foil and aluminum foil package.
The pure aluminum bag is made by the aluminum foil, the aluminized foil bag is made by the aluminized film.The pure aluminum metal can be closed by hot-press.
