Farantin gubar, farantin karfe da aka yi birgima.Musamman nauyi shine 11.345g/cm3.Yana da ƙarfi juriya na lalata, acid da juriya na alkali.Har ila yau, wani nau'i ne na kayan kariya na radiation mai rahusa a cikin ginin yanayi mai jurewa acid, kariya daga radiation na likita, X-ray, kariya ta dakin CT, nauyi, sautin murya da sauran abubuwa masu yawa.
A halin yanzu, kauri na gama gari 0.5-500 mm, wanda aka fi amfani da ƙayyadaddun ƙayyadaddun bayanai don 1000*2000 MM, mafi kyawun injin gida na iya yin mafi girman 2000MM, mafi tsayi 30000 MM, galibi yana amfani da gubar 1 # electrolytic wajen samarwa, wasu daga ciki. Hakanan ana yin shi daga gubar da aka sake yin fa'ida.Ingancinsa ya ɗan fi muni, kuma farashin ya ɗan bambanta.
Ana amfani da shi musamman don kera batirin gubar-acid, ta amfani da shizanen gadoda bututu a matsayin kayan kariya na rufi a cikin masana'antar acid da masana'antar ƙarfe, da kuma amfani da gubar azaman igiyar igiya da fuse a masana'antar lantarki.Ana amfani da allunan gubar da ke ɗauke da tin da antimony don buga nau'in motsi, Lead-Tin Alloys don kera na'urorin lantarki masu ƙyalli, zanen gubar da zanen ƙarfe na ƙarfe don masana'antar gini.Gubar tana da kyakykyawar sha zuwa X-ray da gamma-ray kuma ana amfani da ita sosai azaman kayan kariya ga injinan X-ray da na'urorin makamashin atomic.
