ʻO 7.7 g/cm ka nui o ke kila kila³. Ke hoʻohanaʻia ke kila kila ma nā kaʻina hana likeʻole i nāʻoihana likeʻole, e ho'ēmi ana ia i ka manawa hoʻouna i laweʻia e nā'āpana i hanaʻia i ke kila kila. ʻO kēia no ka mea, ma muli o ka hoʻohana ʻana i ke kila kila, ʻaʻohe pono e hoʻopau ʻia. He kiʻekiʻe ka ductility a ʻoi aku ka nui o ka paʻakikī hana. He kiʻekiʻe ka ikaika wela a me ka paʻakikī cryogenic kiʻekiʻe. Loaʻa ka kila kila ma mua o 150 mau māka, akā 15 wale nō ka hoʻohana maʻamau. ʻO kahi mea maikaʻi loa e pili ana i ke kila kila ʻo ia ka 100% recyclable.