Insimbi engenasici ihlala isikhathi eside, iphikisa ukugqwala kusuka kumakhemikhali e-caustic, uketshezi olulimazayo, oyela namagesi, nokubekezelela ingcindezi kanye namazinga okushisa aphezulu. Thayipha insimbi engama-304 engagqwali, impahla ye-chromium-nickel, iphikisana nokugqwala okubangelwa amanzi, ukushisa, amanzi anosawoti, ama-acid, amaminerali, kanye nenhlabathi ye-peaty.