Specialty Silicone Products (SSP) makes autosampler septa, gas chromatography (GC) septa, bonded caps, magnetic caps, EPA/VOA septa, cap mats, and re-sealable septa. We manufacture our products in Ballston Spa, New York (USA) under strict quality control at our ISO 9001:2008 certified facility. Our silicone septa are platinum-catalyzed for ultra-low bleed and we use only the highest-quality PTFE liners. 

Browse our catalog by viewing the product tables below, or download the PDF version. If you don’t see the septa you need, use our on-line Custom Septa Selector. 

Autosampler Septa

GC Septa

Bonded Caps

Magnetic Caps


Cap Mats

EasyPierce™ Septa


Ultra-low bleed silicones for septa promote analytical purity and prevent ghost peaks on chromatographs. To avoid septum bleed, Specialty Silicone [...]

Contact Us

SSP Companies
Corporate Technology Park, 3 McCrea Hill Road
Ballston Spa, NY 12020

Toll Free: (800) 437-1442
Ph: (518) 885-8826

Custom Septa has one of the largest ranges of dies, molds, caps and silicone formulations to create just about any septa or septa/cap combination imaginable. Use the simple Custom Septa Selector and send your request to us and we will get back to you.