燙金(jin)(jin)工(gong)藝是(shi)利(li)用熱(re)壓轉(zhuan)(zhuan)移的(de)原理(li)，將電(dian)(dian)化(hua)(hua)鋁(lv)(lv)(lv)中(zhong)的(de)鋁(lv)(lv)(lv)層(ceng)(ceng)轉(zhuan)(zhuan)印(yin)(yin)到(dao)承印(yin)(yin)物表面以形成特殊的(de)金(jin)(jin)屬效(xiao)果，因燙金(jin)(jin)使用的(de)主要材(cai)(cai)料是(shi)電(dian)(dian)化(hua)(hua)鋁(lv)(lv)(lv)箔(bo)，因此燙金(jin)(jin)也叫電(dian)(dian)化(hua)(hua)鋁(lv)(lv)(lv)燙印(yin)(yin)。電(dian)(dian)化(hua)(hua)鋁(lv)(lv)(lv)箔(bo)通(tong)常(chang)由多層(ceng)(ceng)材(cai)(cai)料構成，基材(cai)(cai)常(chang)為P E，其次是(shi)分離涂層(ceng)(ceng)、顏色涂層(ceng)(ceng)、金(jin)(jin)屬涂層(ceng)(ceng)（鍍(du)鋁(lv)(lv)(lv)）和(he)膠水涂層(ceng)(ceng)。