FAS

Thiourea dioxide (i.e. TDO, formamidine sulfinic acid, FAS) has many advantages, such as high reducibility, excellent heat stability, nonpoison, tasteless, easy operation, transportation and storage convenient etc.

As a new kind of reducing agent used as exchange of sodium hydrosulfite, it can be extensively used in textile dyeing, pulp bleaching and other industries as kinds of reduction agent, bleach, decolorizer, plastic stabilizer, antioxygen of organic synthesis and sensitiet of sensitiet.