Iridium ndiyo simbi isingadziviriri zvakanyanya.Iyo dense iridium hainyunguriki mune ese inorganic acids uye haina kusvibiswa nedzimwe simbi inonyungudika.Kufanana nedzimwe platinamu boka resimbi alloys, iridium alloys inogona kusimba adsorb organics uye inogona kushandiswa sechinhu chinokonzeresa.