Ua kapa ʻia ʻo coil alumini kala i hoʻopaʻa ʻia ma mua.E like me ka manaʻo o ka inoa, ʻo ia ke pena a pena i ka ʻili o ka substrate alumini.ʻO ka mea maʻamau ka hoʻohana ʻia ʻo ka fluorocarbon color-coil alumini coil a me ka polyester color-coil alumini coil.