Specification:

Appearance: Odorless crystal powder.

Purity: 99.0%Min.

Moisture:0.05%Max.

Iron(Fe):10ppm Max.

 

3. Use method:

Under alkali conditions, add FAS water solution into pulp to bleach the pulp, the quantity is decided by the pulp nature, usually one ton pulp need 0.3%~0.6% FAS.