ʻO ka corundum ʻeleʻele, ka mea i ʻike ʻia he haʻahaʻa alumina corundum, aia i loko o ka umu ahi, ka hoʻoheheʻe ʻana o ka bauxite a hana ʻia i kahi ʻano α-Al2O3 a me ka hao spinel e like me ke ʻano mineral nui o ka aniani ʻeleʻele hina, kahi i hōʻike ʻia e ka haʻahaʻa haʻahaʻa Al2O3, a me kahi nui o Fe2O3 (10% a i ʻole), no laila ke kiʻekiʻe o ka mahana, ka wela, ka paʻakikī. Hoʻohana nui ʻia no ka wili manuahi, e like me ka wili ʻana ma mua o nā huahana electroplating, hoʻohana nui ʻia no ke kila kila, nā huahana metala, ke aniani optical, ka ʻohe a me nā huahana lāʻau polishing a me ka sandblasting, ʻo ia hoʻi ka hana ʻana i ka huila wili resin, ʻoki ʻoki ʻoki, emery cloth novel abrasive.
Ka manawa hoʻouna: Apr-11-2023