Alumina, a iʻole alumini oxyde, hiki ke hanaʻia i loko o kahiʻano o ka maʻemaʻe. ʻO nā helu maʻamau i hoʻohanaʻia no nā noi pili o kēia mau makahiki he 99.5% a 99.9% me nā hoʻohui hoʻohui e hoʻonui ai i nā waiwai. Hiki ke hoʻopiliʻia nāʻano hana hana maʻamau o ka hanaʻana me ka machining a iʻole ka hoʻohālikelikeʻana e hana i nāʻano nui a me nāʻano likeʻole.

ʻO Alumina he mea nui loa i hoʻohana nuiʻia i nā noi e pili ana i kēia manawa:

■ Nā mea kanu uila

■ Nā Kauka Elelika no nā pā uila.

■ Nā Kūlana Kūlana no nā mea kiʻekiʻe a me nā mea hana a me nā mea hana o cryogen, nā polokalamu nuklea e hoʻohanaʻia, nā lako i hoʻohanaʻia ma ke kiʻekiʻe kiʻekiʻe.

■ʻO nāʻano pale-corrosion, piston no nā pumps, nā kumulāʻau a me nā'ōnaehana e loaʻa ana i nā vamings.

■ Thermocouple Tubes, nā mea uila e nā mea kūʻai aku