ʻO Brown corundum abrasive, ka mea nui i haku ʻia me Al2O3, he ʻano paʻakikī, ʻoi aku ka paʻakikī, nā ʻāpana ʻoi, ke kumu kūʻai haʻahaʻa, a kūpono no ka hana ʻana i nā metala me ka ikaika tensile kiʻekiʻe.ʻO ka microcrystalline corundum abrasive a me ka ʻeleʻele corundum abrasive kā lākou mau mea.
Ka manawa hoʻouna: Mar-01-2023