... . Size: big or small; 2. Shape: round 3. Thickness: from 1-400mm; 4. For optical ... high purity,2.low coefficient of thermal expansion,3.temperature resistance,4.corrosion resistance,5.extensive optical ... bubble, no airline Characteristics and superiority 1, Shape:Round, square, rectangle;2, optical silica sheet: ZS ... in the wavelength range of 220-2500nm. 3. JGS3 (Infrared quartz glass)It has a ...