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Below you can download our excess beryllium foil and CF flange window assembly inventory. The first section of this download covers available beryllium foil in discs, the next section shows the foil available in rectangles and the final section of this excess inventory list shows our available CF flange assemblies

Materion beryllium foil excess inventory file will be updated at the end of every month and every item is available for immediate shipment as of the date list was posted. Many of the foils are vacuum tight (noted as "VT" in the descriptions), but some are verified to be light tight (noted as "LT" in the descriptions) and others are available only in "as rolled" integrity.

Please contact us at +1-216-383-6800 or e-mail us at to confirm availability, vacuum or light tight integrity, surface finish information and for a price quote. When inquiring, please provide the Material Number, found in the download below.

Download our Excess Inventory List 

All beryllium discs, rectangles and CF Flange assemblies are in new condition and meet all design specifications. CF Flange assemblies carry the same limited lifetime warranty as all our beryllium window assemblies.

If you would like more product information, read more on our X-ray foils, our X-ray window assemblies or CF Flange window assemblies.