Tifibre leti faneleke ta sodium hydrosulfite
sodium hydrosulfite yi faneleka eka tifibre to hambana-hambana ta malapi, hi yona mhaka leyi yi thyiweke vito ra “Rongalite.” Loko switirhisiwa ku basisa hi mahiselo yale henhla kumbe ku susa swivati, ti fibre ta lapi tifanele ku kota ku tiyisela mahiselo yale henhla handle ko onhaka.
Hi mayelana na xitifikheti, sodium hydrosulfite ayi hundza ntsena eka xitifikheti xa ZDHC Level 3, kambe na switifikheti swotala swa sisiteme swofana na ISO 9001, 14001, na 45001, leswi fikelelaka khwalithi leyi heleleke, nsirhelelo wa mbango, na swiyimo swa vuhlayiseki.​