Sodium sulfite, ndi mtundu wa zinthu inorganic, mankhwala chilinganizo Na2SO3, ndi sodium sulfite, makamaka ntchito ngati yokumba CHIKWANGWANI stabilizer, nsalu Bleaching wothandizira, zithunzi mapulogalamu, utoto bleaching deoxidizer, kununkhira ndi utoto kuchepetsa wothandizila, lignin kuchotsa wothandizila kwa papermaking.
Sodium sulfite, yomwe ili ndi chilinganizo cha mankhwala Na2SO3, ndi chinthu chachilengedwe chomwe chimakhala ndi ntchito zosiyanasiyana m'mafakitale osiyanasiyana. Kupezeka mumagulu a 96%, 97% ndi 98% ufa, gulu losunthikali limapereka magwiridwe antchito abwino kwambiri komanso magwiridwe antchito osiyanasiyana.