Kuwa na cikin rubutun kankara a ce gudanarwa ta sauka sodium hydroxide, rubuta alkali da kankara mai tsallakawa. Rubutun kankararwa ne yanzu a cikin aikacewa materiyarwa daya suka zage da shirya ake kankara, misali 316 stainless steel ko steel linan fluoropolymer. Rubutun kankararwa suna iya samun hanyoyi mai amfani, misali rubutun samun kankara, rubutun samun bayan tsarin, da rubutun samun wataƙe mai abubuwan jirgin. Kankara na rubutun kankararwa ba daidai ba suka gabatarwa masu rubutun samun transport, ya ke samun kankara da amfani da ido da karamin aiki da cikin rubutun kankararwa. Suna kasancewarwa a cikin labarai ne yanzu a cikin aikacewa sodium hydroxide don labari, misali production sabon ko metal processing.