Caustic soda (ni ale lɛ hu akɛ sodium hydroxide) ji tsofa ko ni yɔɔ srɔtoi ni akɛtsuɔ nii babaoo yɛ nitsumɔhei srɔtoi ni atadei, ŋmɔtɔ kɛ woji, alumina, samla kɛ nibii ni akɛjieɔ muji, mu ni akɛtsuɔ nii kɛ nu mli nibii fata he. Bei pii lɛ, ahɔ̃ɔ lɛ yɛ shihilɛi enyɔ mli: nu (alkali) kɛ nɔ ni mli wa (flakes). Ewaaa akɛ akɛ Caustic soda flakes lɛ yaa he ko ni jɛkɛ, ni eji nɔ ni asumɔɔ waa akɛ akɛmaje maŋsɛɛ. Nitsumɔhe nɛɛ ji nitsumɔhe ni ji enyɔ ni fe fɛɛ ni feɔ caustic soda yɛ India, ni amɛfeɔ tɔn akpekpe kome daa afi.