How to classify aluminum foil according to shape?
2. Semi-rigid foil: aluminum foil hardness (or strength) of the aluminum foil rigid foil and soft foil is commonly used for forming.
3. Soft foil: After full annealing after rolling and become soft aluminum foil, soft material, no residual surface. Most applications, such as packaging, composite, electrical materials, use soft foil.
1. Hard foil: After rolling without softening treatment (annealing) of aluminum foil, without degreasing, surface Bu there is a residual Shantou. So hard foil printing, laminating, coating must be degreased before, if used for forming can be used directly.
Aluminum foil can be divided according to the shape of a roll of aluminum foil and a sheet of aluminum foil. Aluminum foil deep processing wool was rolled supply most, only a few handicraft packaging occasions with a sheet of aluminum foil.
Aluminum foil can be divided according to the state of a hard foil, semi-rigid foil and soft foil.
