Kū'ē Kūikawā Nui: Kūleʻa nā FFKM O-rings i kahi ākea o nā kemika, nā mea hoʻoheheʻe, nā waikawa, a me nā mea corrosive ʻē aʻe, e kūpono iā lākou no ka hoʻohana ʻana i nā noi hoʻoili kemika.
Kū'ē Kūlana Kiʻekiʻe: Hiki i nā FFKM O-rings ke kū i nā wela kiʻekiʻe a hiki i 600 ° F (316 ° C) me ka haki ʻole, a i kekahi mau hihia, hiki i 750 ° F (398 ° C).