Aluminum 20mm Crimp Seals

Use Thermo Scientific™ SureSTART™ 13 mm Screw Caps with screw vials that have a 13 mm opening, including our SureSTART 4 mL Glass Screw Top Headspace Vials (Level 2). Select Level 2 products for high-throughput applications, when robustness and reproducibility are key. Choose from polypropylene and polyurethane caps with all-purpose silicone/PTFE septa or PE foam/PTFE septa designed to reduce autosampler needle issues. A pre-slit septa option is available for those who want septa that prevent vial-overfilling issues and re-seal well enough to avoid sample evaporation.

Use Thermo Scientific™ SureSTART™ 11 mm Snap Caps with snap vials that have an 11 mm opening, including our SureSTART 2 mL Glass Snap Vials and 2 mL Polypropylene Snap Microvials for <2 mL samples (Level 1). Select Level 1 caps for chromatography approved, cost optimized products that are suitable for everyday analyses and compatible with all instrument types. We offer soft polyethylene caps with double snap functionality that guarantees a tight seal. Our snap caps include polyethylene septa designed to reduce autosampler needle issues.

Use Thermo Scientific™ SureSTART™ 9 mm Screw Caps with screw vials that have a 9 mm opening, including our SureSTART 2 mL Glass Screw Vials, 2 mL Gold-Grade Glass Screw Vials, Total Recovery Glass Screw Microvials for <2 mL samples, 1.7 mL High Recovery Glass Screw Vials, and Glass Screw Microvials for <2 mL samples (Level 3). Select Level 3 products for ultimate performance and sensitivity from your methods, while maintaining the highest levels of sample security and integrity. Choose from polypropylene caps with all-purpose silicone/PTFE septa designed to reduce autosampler needle issues. Pre-slit and bonded septa options are available. Our AVCS™ caps incorporate Advanced Vial Closure System technology to ensure optimal seal compression when closing a vial. Use AVCS screw caps with our SureStop™ vials for effective seals, consistent data, and increased sample throughput.