Kovar controlled expansion glass ceramic sealing seals alloy rod round bar sheet plate strip

Kovar® Alloy Applications

(Also known as ASTM F15, NILO® K, Pernifer® 2918, Rodar®, and Dilver® P1)

The expansion characteristics of Kovar match both borosilicate (Pyrex) glass and alumina ceramics. Making it one of the most popular of the controlled expansion alloys for hermetic sealing applications, Kovar allows direct mechanical connections over a range of temperatures in conductors entering glass envelopes of electronic parts.

Products that have utilized the special properties of Kovar:

Using Kovar Alloy for an application other than any of those listed above? We would like to hear from you.

Please call one of our material experts to assist you with your Kovar Alloys needs, or to introduce you to some of the other metals and alloys we stock.