Aluminium Foil Surface State Classification
Aluminium foil surface can be divided into a light aluminum foil and aluminum foil on both sides.
①the single light aluminum: aluminum foil double rolling, volume after light-black, aluminum foil, aluminum foil called a light so. Optical thickness of aluminum foil, usually no more than 0.025mm.
② duplex optical foils: single sheet of aluminium foil rolling, and rolling contact on both sides, because both sides of roll surface roughness of aluminum foil and divided into different mirror two light aluminum foil and ordinary dihedral foils. Two light aluminum foil of thickness not less than 0.01mm.