Selenium Dioxide is used to counteract the color due to iron impurities and to make a colorless glass. When used in a larger quantity, it gives a deep red color like that of a gem called ruby. It is also used in some cold-bluing solutions and was earlier used as a toner in photographic development. A lot of customers are served by our company by this Selenium Dioxide and we are proud to state that all of them are impressed with the quality. With the support of our production partners, we have emerged as a top-notch and trustworthy supplier of Selenium Dioxide.