R04200 -Uhlobo 1, I-Reactor grade i-niobium engahlanganisiwe;
R04210 -Uhlobo 2, Ibanga lezentengiso i-niobium engahlanganisiwe;
R04251 -Uhlobo 3, Ingxubevange ye-Reactor grade niobium equkethe i-1% zirconium;
R04261 -Uhlobo 4, Ingxube ye-niobium yezinga lezentengiso equkethe i-1% zirconium;