Specification :

Hongye Chemical Co., Ltd is the leading professional manufacturer and supplier of Thiourea Dioxide and pulp bleaching agent FAS. We can produce 50000MT Thiourea Dioxide( Formamidine sulfinic acid) & pulp bleaching agent FAS.
Pulp bleaching agent FAS is one kind excellent pulp and paper bleaching agent, it can be used in reduction bleaching, waster paper deink bleaching. It is very stable in air and can be used under the normal equipments. Because of high reducibility and good stability, it is very suitable for high temperature continual bleaching, and there is good for environment, does not increase the waste water pollution load, conforms to the environmental protection requirements.
Specification:
Appearance: Odorless crystal powder.
Purity: 99.0% Min
Moisture: 0.05% Max
Iron( Fe) : 10ppm Max