Tantalum muaj kev tiv thaiv corrosion siab heev, txawm tias nyob rau hauv qhov txias thiab kub, hydrochloric acid, concentrated nitric acid thiab "aqua regia", nws tsis hnov ​​​​mob.

Tantalum tus yam ntxwv ua rau nws daim ntawv thov teb yog dav heev. Tantalum tuaj yeem siv los hloov cov hlau tsis huv hauv cov khoom siv ua txhua yam ntawm inorganic acids, thiab nws cov kev pabcuam lub neej tuaj yeem nce ntau ntau zaus piv nrog cov hlau tsis muaj steel. Tsis tas li ntawd, tantalum tuaj yeem hloov tau cov hlau tseem ceeb platinum hauv tshuaj, hluav taws xob, hluav taws xob. thiab lwm yam kev lag luam, kom tus nqi tuaj yeem txo qis heev.

Cov yam ntxwv ntawm lub cev