Archroma’s latest move in sustainable apparel dyeing could help the industry become easier on the environment. The global specialty chemicals company has developed an optical brightening agent—Ultraphor KCB—to be used with DyeCoo Textile Systems’ chemical free and water free dyeing solution. The agent is now being used in the process by Thailand-based Tong Siang Co. Ltd., to color its high-performance sportswear. Textiles made using the process…