Li-Fiber tse Loketseng bakeng sa sodium hydrosulfite
sodium hydrosulfite e loketse likhoele tse fapaneng tsa masela, ke ka hona e bitsoang "Rongalite." Ha e sebelisoa bakeng sa ho soeufatsa kapa ho tlosa matheba mochesong o phahameng, likhoele tsa masela li lokela ho khona ho mamella mocheso o phahameng ntle le tšenyo.
Mabapi le setifikeiti, sodium hydrosulfite ha e a feta setifikeiti sa ZDHC Level 3 feela, empa hape e fetile le setifikeiti tse ngata tsa sistimi tse kang ISO 9001, 14001, le 45001, e fihlella boleng bo felletseng, ts'ireletso ea tikoloho le maemo a polokeho..