According to different thicknes, aluminum foil can be divided into heavy gauge foil,medium gauge  foil and light gauge Foil.

Heavy gauge   foil is in thickness of  0.1-0.2 mm.   

Medium gauge goil's thickness  between 0.01-0.1mm. 

Light gauge foil's thickness is usually between 0.005~0.009mm.

Heavy gauge aluminum foil is widely used for airconditioner , condenser fins , transformer winding as well as reactors.

Medium gaugae aluminum foil and light gaguage aluminum foil are mainly used for packing, laminatiom and printing.