Crystal IS is a manufacturing company based in the United States, established in 1997, specializing in electronics with a focus on ultraviolet (UV) disinfection technologies. The company employs between 51 and 200 individuals and reported a revenue of approximately $58.93 million. Crystal IS is engaged in developing advanced UV light-emitting diodes (LEDs) and related materials aimed at enhancing disinfection processes. Their published application note discusses the use of UV reflective materials to improve the efficiency of UV reactors, emphasizing the importance of material reflectivity in maximizing UV intensity and uniformity for effective disinfection. The document outlines various materials, such as e-PTFE and aluminum-sputtered glass, and their respective reflectance percentages, highlighting how these materials can optimize reactor design. By focusing on maximizing UV dosage and ensuring uniform exposure, Crystal IS provides insights for system designers in the UV disinfection field, addressing challenges in reactor design and operational efficiency.