FAS is an excellent pulp and paper bleaching agent which is suited to use in both reduction bleaching and waste paper deinking. It is stable in air and can be used in conventional equipment. Thanks to its high reducibility and good stability, FAS is particularly suited to high temperature continuous bleaching, and is an environment friendly product which does not increase the waste water pollution load, conforming to environmental protection standards.

Physical and Chemical Properties

Appearance：Odorless crystal powder

Molecular formula：(NH2)2CSO2

Molecular Weight：108.12

CAS No.：1758-73-2

Standard Content (%)≥ 99.0

Moisture (%)≤ 0.05

Iron(Fe) PPM≤ 10

Packaging

25kg woven bags,50kg fiber drums or as required by the customer.