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.