Optical Sapphire Ring polishing  

 Round Sapphire Ring Sapphire Material Handles High Temperatures and Pressures Sapphire window is ideal for harsh conditiions, including environments subject to high tempertures, high pressures, strong vacuum, or corrosive atmospheres. Sapphire parallel window  has high compressive strength and is resistant to attack from strong acid Wide Transmittance Range from 170nm to 5.5um Specifications: Material:Sapphire Outer Diameter:110+/-0.1mm Inner Diamter:98+/-0.1mm Thickness:5+/-0.1mm 2-R10 sapphire step window sapphire ring Color Glass Filter, Conical Lens, Dove Prism, Narrow Bandpass Filter