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7056 Viewports - Borosilicate Glass

7056 Viewports - Borosilicate Glass, drawing

7056 Vacuum Viewport Flanges

Accu-Glass Products' Glass Vacuum Viewport Flanges are designed for all general purpose uses such as the direct observation of processes in a vacuum chamber.  The glass used in the vacuum viewport is Corning Type 7056 glass, which is the most common material used for vacuum viewports.  Accu-Glass Products' glass viewports are designed for both high and ultrahigh (UHV) vacuum applications, using the latest in glass-to-metal bonding technology to seal the 7056 glass to the stainless steel or nickel-iron alloy sleeves.

Since glass is susceptible to scratching and weak under point stresses, caution must be exercised when handling viewports to minimize the chance of implosion hazard.