By using new technological process, our thiourea dioxide crystalline granularity is more symmetrical and ... .001%QUALITY STABILITYStable at 80°C/2 hours2. By using new technological process, our thiourea dioxide crystalline granularity is more symmetrical and ... gas above 100 degrees.Purpose of the productTDO is a new-type, environmentally friendly products, it is non-toxic, stable, and ...