ʻO ka nui o ke kila kila he 7.7 g/cm³. Ke hoʻohana ʻia ke kila kila i nā kaʻina hana like ʻole ma nā ʻoihana like ʻole, hoʻemi ia i ka manawa lawe ʻia e nā ʻāpana i hana ʻia me ke kila kila. ʻO kēia no ka mea, ma muli o ka hoʻohana ʻana i ke kila kila, ʻaʻohe pono e hana ʻia kahi hoʻopau. ʻOi aku ka ductility o ke kila kila a me ka wikiwiki o ka paʻakikī hana. ʻOi aku ka ikaika wela o ke kila kila a me ka paʻakikī cryogenic kiʻekiʻe. Loaʻa ke kila kila ma mua o 150 mau māka, akā he 15 wale nō māka i hoʻohana pinepine ʻia. ʻO kahi mea maikaʻi loa e pili ana i ke kila kila, ʻo ia ka hiki ke hana hou ʻia 100%.