The Papailias Company maintains a large inventory of annealed and tempered circular glass discs of various diameters and thicknesses cut from borosilicate and soda lime plate materials. Discs can also be supplied in quartz or Vycor® if needed. Rectangles and special shapes to a customer's specification available. All flat glass shapes can be provided with drilled holes, edge beveling and polishing, silk screening, and many other enhancements to meet your requirements.