燙金(jin)(jin)(jin)工(gong)藝是利(li)用熱壓轉(zhuan)移(yi)的原(yuan)理，將電(dian)(dian)化(hua)鋁(lv)中的鋁(lv)層(ceng)(ceng)(ceng)轉(zhuan)印(yin)到承印(yin)物表面以(yi)形成特殊的金(jin)(jin)(jin)屬(shu)(shu)效果，因(yin)(yin)燙金(jin)(jin)(jin)使用的主要材(cai)料是電(dian)(dian)化(hua)鋁(lv)箔(bo)，因(yin)(yin)此(ci)燙金(jin)(jin)(jin)也叫電(dian)(dian)化(hua)鋁(lv)燙印(yin)。電(dian)(dian)化(hua)鋁(lv)箔(bo)通常(chang)由多(duo)層(ceng)(ceng)(ceng)材(cai)料構成，基材(cai)常(chang)為P E，其次是分離涂(tu)層(ceng)(ceng)(ceng)、顏色涂(tu)層(ceng)(ceng)(ceng)、金(jin)(jin)(jin)屬(shu)(shu)涂(tu)層(ceng)(ceng)(ceng)（鍍鋁(lv)）和(he)膠水涂(tu)層(ceng)(ceng)(ceng)。