Century Seals is an ISO 9001:2008 manufacturer of the highest quality hermetic glass to metal seals. With over 100 years of combined experience, we have the knowledge to serve you best.

Our Products: Miniature hermetic feedthroughs, Relay headers, DIP headers, TO packages, Machined Kovar packages for microwave applications, custom parts to meet specifications, and many others. See the products tab for pictures.  

Product Applications: Aerospace, Defense, Industrial, RF Microwave, Semiconductors, Telecommunications, Refrigeration, and a wide variety of specialty manufacturers.


Have we let you down or not met your expectations? Let us know via this customer complaint form.

Chemistry Intern Wanted!
Our subsidiary, Fin-Tec in Salisbury Maryland, is currently looking for a Chemistry intern to work alongside of the lab tech. Reach out to Fin-Tec at their website below for more information and to ap ... [READ MORE]
European Microwave Week 2016
October 3-7 we will be exhibiting in London, UK for the EuMW with our sales rep Inseto. Come by booth# 212 and visit us.
Summer Trade Show Recap
Century Seals has had a profitable summer of 2016 as we attended IMS in San Francisco and the Senors Expo in San Jose. Feel free to send us a message asking about our products and booth that was on di ... [READ MORE]
503 Harrington Street • P.O. Box 720 • Seaford, DE 19973 • (302) 629-0324 • Fax (302) 629-0325