Raws li cov duab, aluminium ntawv ci tuaj yeem muab faib ua yob aluminium ntawv ci thiab ntawv txhuas ntawv ci. Feem ntau ntawm aluminium foil sib sib zog nqus-ua ntaub ntaub ntaub ntaub yog nkag rau hauv yob, and sheet aluminum foil is only used on a few handicraft packaging occasions.
According to the state, Aluminium ntawv ci tuaj yeem muab faib ua cov ntawv ci nyuaj, semi-nyuaj ntawv nyiaj, and soft foil.
①Hard foil: The aluminum foil that has not been softened (ib qho tseem ceeb) after rolling, without degreasing treatment, has residues on the surface. Yog li ntawd, Cov ntawv ci hnyav yuav tsum yog degreehed ua ntej luam ntawv, lamination, and coating, and it can be used directly if it is used for forming.
②Semi-hard foil: Aluminum foil whose hardness (or strength) is between hard foil and soft foil, usually used for forming.
③Soft foil: Aluminum foil that has been fully annealed and softened after rolling. Cov khoom siv muag muag thiab tsis muaj roj nyob rau saum npoo. Most of the current application areas, such as packaging, lamination, electrical materials, lwm., use soft foils.