Description

Thiourea Dioxide Product Introduction : An other name is formamidine sulphinic acid, loose and white power of crystallization in its outward appearance, active constituent content is *9% min, it is a kind of stable compound which with no oxidation and no reduction. This product is mainly used in dyeing industry to be substituted for sodium hydrosulfite, secondly used to organic synthesis in synthetic fibre industry, it can also be used as additive in poly reaction, stabilzer for polythene, sensitizer of photographical emulsion and so on. Thiourea dioxide is called TDO or FAS for short. It is a kind of good de-inking and bleaching agent for paper, pulp as well as textile industry to be substituted for sodium hydrosulfite. It is especially suitable for producing high brightness paper grades using recycled fibre (RCF). It can meet the demand of environmental protection owing to containing no chlorine. We start to produce TDO in ***3, and our products have been exported to Europe, America and south-east Asia. Our annual capacity is ***0mt. Being the earliest and the largest TDO manufacturer in china, our products enjoy high reputation in the world market owing to its uniform and excellent quality.