Thermo Scientific SureSTART 9mm Screw Caps, White Silicone/Red Polyimide, Blue, 100-pk

Thermo Scientific SureSTART 9mm Screw Caps deliver reliable, leak-free sealing for your chromatography vials in GC and HPLC applications. Featuring a white silicone/red polyimide (PI) septum, these caps are engineered for high-temperature stability and excellent chemical resistance, making them ideal for demanding analytical workflows including method development, quality control testing, and routine sample analysis.

• Pre-assembled blue polypropylene screw caps with white silicone/red polyimide septa for consistent sealing performance
• Compatible with standard 9mm screw-thread vials used in autosampler systems
• White silicone/red polyimide septum offers superior thermal stability up to 300°C for GC applications
• Excellent chemical inertness minimizes sample contamination and ensures accurate analytical results
• SureSTART design ensures low bleed and reduced extractables for improved chromatographic baselines
• Conveniently packaged in 100-piece quantity for laboratory efficiency (SKU: 6ASC9SPI1)