Profile: TQS Wiesbaden manufactures and distributes quartz glass products for various industrial applications. High-power medium-wave infrared-quartz-heaters with a short heating-up time has the ability to react immediately to modern automation and control systems, and to radiate a wider spectrum of temperatures & wavelengths when compared to ceramic heaters. We offer transparent quartz glass and translucent/milky fused silica tubes in different diameters.