ʻO ka pā kila kuhiliʻole ka inoa laulā o ka pā kila kila a me ka pā kila kūpaʻa waikawa, me ka ʻoluʻolu o ke kiʻekiʻe, ka plasticity kiʻekiʻe, ka paʻakikī a me ka ikaika mechanical, a me ke kūpaʻa o ke kūpale i ka waikawa, nā ʻenekini alkaline, hopena a me nā media. He ʻano hao okaina ʻaʻole maʻalahi e popo, akā ʻaʻole manuahi ʻole. Kuhiliʻole ka papa kila kila i ka papa kila ʻinoʻino kūpale i ka mea nāwaliwali e like me ka lewa, ka mahu a me ka wai, ʻoiai ka papa kila kūmole kūmole e pili ana i ka papa kila kūpale kūpale e like me ka acid, alkali a me ka paʻakai.