Hongye Chemical Co., Ltd. is the leading professionalmanufacturer and supplier of Thiourea dioxide and pulp bleachingagent FAS in the world. We can produce 50000MT ThioureaDioxide(Formamidine sulfinic acid) and bleaching agent FAS peryear.

Thiourea Dioxide (TDO) is a new kind of reducing agent that usedas exchange of sodium hydrosulfite. It is widely used in textileand paper making industry. This product is also used in leatherprocessing industry, paper, pulp and board industry, photographicindustry, bleaching and reducing agents. This product is also acomponent of decolorisation agents. In macromolecule materialindustry, it is used as catalysis agent and stabilizer of resinicproducing, and it is also used in organic synthesization ofsensitizing material, and medicine, medical, spicery materials infine chemicals, and also can be applied in the recycling andseparating of heavy metals.

Other Name: Formamidine sulfinic acid, Amino iminomethanesulfinic acid

1. Specification:

Purity: 99.%Min

Thiourea: 0.10%Max

Moisture:0.05%Max

Iron(Fe):10ppm Max

Sulphate: 0.17%Max