Aluminum foil can be classified into one side glossy aluminum foil and two sides glossy aluminum foil according to the surface state.
(1) One-side glossy aluminum foil: The aluminum foil rolled in double combination is called one-side glossy aluminum foil when it is rolled and the other side is dark. The thickness of one-side light aluminum foil usually does not exceed 0.025mm.
② double-sided light aluminum foil: single rolled aluminum foil, both sides and roll contact, the two sides of the aluminum foil due to different roll surface roughness is divided into mirror two-sided light aluminum foil and ordinary two-sided light aluminum foil. The thickness of two-side light aluminum foil is generally not less than 0.01mm.
