Depending on the availability we ship from stock flat material, round material, foil and wire of the following alloy:

Material 1.3981, better known under the brand name KOVAR®, is an iron-nickel-cobalt alloy with a very low coefficient of thermal expansion. The alloy is among others used for glas-to-metal seals or ceramics. It has thermal expansion properties that correspond to those of borosilicate glasses and alumina type ceramics.

Dimensions on request.

* KOVAR® is a registered trademark of CRS Holdings Inc.