GC columns

For over 30 years, Restek has designed and manufactured gas chromatography (GC) columns. From fused silica to metal MXT, from PLOT to packed, we offer a wide variety of both general-purpose and application-specific GC columns to analysts around the world. Our research team develops proprietary stationary phases and optimized GC column chemistries to span the full polarity range, making it easy to select a perfectly matched GC column that helps you run faster and produce outstanding results. Our Innovations lab generates applications for environmental, food safety, petrochemical, chemical, forensic, bioanalytical, and other industries—you’ll find the chromatograms here on the Restek website for your convenience—and the Restek Quality Control department measures against strict specifications to ensure that our GC columns exceed your expectations, as well as your customers’.

As an independent, employee-owned company, Restek is free to supply GC columns for every instrument, regardless of who made it. And our gas chromatography experts have extensive experience to provide you with the information you need about Restek GC columns, applications, troubleshooting, method development, and more. Best of all, each GC column that leaves our facility comes with an unbeatable guarantee: Restek Pure Satisfaction.

Install the best GC columns into your instrument. Visit the product sections above to learn more about Restek’s GC analytical columns and guard columns, then put them to work in your lab and see firsthand why so many chemists trust their data to Restek Pure Chromatography.

Fused Silica Capillary

Manufacturer of Rxi as well as Rtx, Stabilwax, Rt, and other renowned GC column brands, Restek draws our own fused silica tubing to ensure ample supply and utmost quality.

Metal (MXT) Capillary