Premium JGS-1 quartz reflecting glass with dimensions of 12.5x3.2mm, ideal for laboratory applications. Exceptional surface accuracy of /4@632.8nm ensures reliable performance in optical experiments. devised to withstand high temperatures up to 1200°C, making it suitable for various laboratory conditions. Available in three types of quartz glass (JGS1, JGS2, JGS3) for different transmittance needs, including U-V and visible light. Perfect for use in U-V visible spectrophotometers, providing excellent transmittance from 185nm to 2500nm.