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Thermo Scientific™ SureSTART™ 9 mm Screw Caps, Level 2 High-throughput Applications
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Specifications:
| Application | chromatography |
| Material | Polypropylene |
| Storage Temperature | Ambient |
| Product Type | Sample vials |
| Product Brand | Thermo Fisher Scientific™ |
| Product Grade | Analytical grade |
Thermo Scientific™ SureSTART™ 9 mm Screw Caps (Performance Level 2) are engineered to provide reliable, reproducible sealing for 2 mL screw-top chromatography vials and microvials. Designed specifically for high-throughput GC-MS and LC-MS workflows, these caps incorporate high-quality septa materials and AVCS™ (Advanced Vial Closure System) technology to ensure consistent sealing, reduced evaporation, and minimized autosampler interruptions.
Available in multiple colors and septa configurations—including silicone/PTFE, silicone/polyimide, and various hardness options—SureSTART 9 mm caps offer versatility and compatibility for a wide range of analytical systems and methods. Both non–pre-slit and pre-slit septa versions are available to accommodate different injection needle types and instrument requirements.
These Level 2 caps are optimized for routine QA/QC laboratories that require robust performance, low extractables, and consistent chromatographic results. Manufactured under stringent quality control, they are fully Specification Certified, dimensionally verified, and lot traceable for regulatory compliance.
Key Features
- 9 mm closure size compatible with SureSTART screw-thread vials and other standard 9 mm opening vials.
- Designed for GC, HPLC/UHPLC, and LC-MS applications.
- AVCS™ technology ensures controlled septum compression and prevents under- or over-sealing.
- Reduces solvent evaporation and protects sample integrity.
- Available with multiple septa materials, including silicone/PTFE and silicone/polyimide.
- Offered in both pre-slit and non pre-slit versions for optimal autosampler compatibility.
- High-throughput ready: ideal for routine sample loading, QA/QC workflows, and regulated testing environments.
- Polypropylene caps with low leachables and minimal extractables.
- Specification Certified to meet strict physical and performance parameters.
- Fully lot traceable with Certificate of Conformance available upon request.
- Available in multiple pack sizes (100, 1000, 5000 caps) for cost-effective purchasing.
Compatibility
SureSTART 9 mm Screw Caps are recommended for use with:
- SureSTART™ 2 mL Glass Screw Vials
- SureSTART™ 1.7 mL High Recovery Microvials
- Most GC and LC autosamplers requiring 9 mm closures
- SureStop™ vials (for optimal seal performance using AVCS)
Pre-Slit vs Non-Pre-Slit Versions
Non-Pre-Slit Septa
- Ideal for preventing evaporation
- Suitable for standard autosampler needles
- Provides a tighter, more secure seal
Pre-Slit Septa
- Reduces needle backpressure during sampling
- Ideal for fragile autosampler needles or cold needle injections
- Ensures smooth operation in high-throughput systems
Ordering Information
NON–PRE-SLIT VERSIONS
| Catalog Number | Color | Septum Composition | Cap Type | Pack Size |
|---|---|---|---|---|
| 6ASC9ST1 | Blue | White Silicone / Red PTFE | AVCS Screw Cap | 100 pk |
| 6ASC9RT1 | Blue | Red Silicone / Ivory PTFE | AVCS Screw Cap | 100 pk |
| 6ASC9SPI1 | Blue | White Silicone / Red Polyimide | AVCS Screw Cap | 100 pk |
| 6ASC9RT1F | Blue | Red Silicone / Ivory PTFE | AVCS Screw Cap | 5000 pk |
| 6ASC9RT1R | Red | Red Silicone / White PTFE | AVCS Screw Cap | 100 pk |
| 6ASC9RT1RF | Red | Red Silicone / White PTFE | AVCS Screw Cap | 5000 pk |
| 6ASC9RT1RT | Red | Red Silicone / White PTFE | AVCS Screw Cap | 1000 pk |
| 6ASC9RT1T | Blue | Red Silicone / Ivory PTFE | AVCS Screw Cap | 1000 pk |
| 6ASC9ST1F | Blue | White Silicone / Red PTFE | AVCS Screw Cap | 5000 pk |
| 6ASC9ST1R | Red | White Silicone / Red PTFE | AVCS Screw Cap | 100 pk |
| 6ASC9ST1RF | Red | White Silicone / Red PTFE | AVCS Screw Cap | 5000 pk |
| 6ASC9ST1RT | Red | White Silicone / Red PTFE | AVCS Screw Cap | 1000 pk |
| 6ASC9ST1T | Blue | White Silicone / Red PTFE | AVCS Screw Cap | 1000 pk |
| 6ASC9STB1 | Blue | White Silicone / Beige PTFE | Screw Cap | 100 pk |
| 6ASC9STB1F | Blue | White Silicone / Beige PTFE | Screw Cap | 5000 pk |
| 6ASC9STB1T | Blue | White Silicone / Beige PTFE | Screw Cap | 1000 pk |
| 6ASC9STBS1 | Blue | White Silicone / Beige PTFE | Screw Cap | 100 pk |
| 6ASC9STBS1F | Blue | White Silicone / Beige PTFE | Screw Cap | 5000 pk |
| 6ASC9STBS1T | Blue | White Silicone / Beige PTFE | Screw Cap | 1000 pk |
| 6ASC9CTRRT1 | Blue | Red Silicone / Ivory PTFE | AVCS Screw Cap | 100 pk |
| 6ASC9ST1B | Black | White Silicone / Red PTFE | AVCS Screw Cap | 100 pk |
| 6ASC9ST1G | Green | White Silicone / Red PTFE | AVCS Screw Cap | 100 pk |
| 6ASC9RT1G | Green | Red Silicone / Ivory PTFE | AVCS Screw Cap | 100 pk |
| 6ASC9ST1Y | Yellow | White Silicone / Red PTFE | AVCS Screw Cap | 100 pk |
| 6ASC9RT1B | Black | Red Silicone / Ivory PTFE | AVCS Screw Cap | 100 pk |
| 6ASC9RT1Y | Yellow | Red Silicone / Ivory PTFE | AVCS Screw Cap | 100 pk |
PRE-SLIT VERSIONS
| Catalog Number | Color | Septum Composition | Cap Type | Pack Size |
|---|---|---|---|---|
| 6ASC9STBS1 | Blue | White Silicone / Beige PTFE | Screw Cap | 100 pk |
| 6ASC9RT1 | Blue | Red Silicone / Ivory PTFE | AVCS Screw Cap | 100 pk |
| 6ASC9SPI1 | Blue | White Silicone / Red Polyimide | AVCS Screw Cap | 100 pk |
| 6ASC9RT1F | Blue | Red Silicone / Ivory PTFE | AVCS Screw Cap | 5000 pk |
| 6ASC9RT1R | Red | Red Silicone / White PTFE | AVCS Screw Cap | 100 pk |
| 6ASC9RT1RF | Red | Red Silicone / White PTFE | AVCS Screw Cap | 5000 pk |
| 6ASC9RT1RT | Red | Red Silicone / White PTFE | AVCS Screw Cap | 1000 pk |
| 6ASC9RT1T | Blue | Red Silicone / Ivory PTFE | AVCS Screw Cap | 1000 pk |
| 6ASC9ST1 | Blue | White Silicone / Red PTFE | AVCS Screw Cap | 100 pk |
| 6ASC9ST1F | Blue | White Silicone / Red PTFE | AVCS Screw Cap | 5000 pk |
| 6ASC9ST1R | Red | White Silicone / Red PTFE | AVCS Screw Cap | 100 pk |
| 6ASC9ST1RF | Red | White Silicone / Red PTFE | AVCS Screw Cap | 5000 pk |
| 6ASC9ST1RT | Red | White Silicone / Red PTFE | AVCS Screw Cap | 1000 pk |
| 6ASC9ST1T | Blue | White Silicone / Red PTFE | AVCS Screw Cap | 1000 pk |
| 6ASC9STB1 | Blue | White Silicone / Beige PTFE | Screw Cap | 100 pk |
| 6ASC9STB1F | Blue | White Silicone / Beige PTFE | Screw Cap | 5000 pk |
| 6ASC9STB1T | Blue | White Silicone / Beige PTFE | Screw Cap | 1000 pk |
| 6ASC9STBS1F | Blue | White Silicone / Beige PTFE | Screw Cap | 5000 pk |
| 6ASC9STBS1T | Blue | White Silicone / Beige PTFE | Screw Cap | 1000 pk |
| 6ASC9CTRRT1 | Blue | Red Silicone / Ivory PTFE | AVCS Screw Cap | 100 pk |
| 6ASC9ST1B | Black | White Silicone / Red PTFE | AVCS Screw Cap | 100 pk |
| 6ASC9ST1G | Green | White Silicone / Red PTFE | AVCS Screw Cap | 100 pk |
| 6ASC9RT1G | Green | Red Silicone / Ivory PTFE | AVCS Screw Cap | 100 pk |
| 6ASC9ST1Y | Yellow | White Silicone / Red PTFE | AVCS Screw Cap | 100 pk |
| 6ASC9RT1B | Black | Red Silicone / Ivory PTFE | AVCS Screw Cap | 100 pk |
| 6ASC9RT1Y | Yellow | Red Silicone / Ivory PTFE | AVCS Screw Cap | 100 pk |
Performance Level 2 – High-Throughput Applications
Level 2 SureSTART products are designed for:
- Routine analysis requiring robustness and reproducibility
- Applications near or at the method detection limit
- Workflows needing low metal content and low chromatographic extractables
- Reliable, uninterrupted autosampler operation
These caps provide the balance of quality and efficiency required for laboratories conducting regular QA/QC testing, environmental analysis, food safety screening, and industrial analytical work.
Specifications
| Property | Value |
|---|---|
| Closure Size | 9 mm |
| Material | Polypropylene |
| Septa Options | Silicone/PTFE, Silicone/Polyimide |
| Hardness | 45 Shore |
| Thickness | 1 mm |
| Performance Level | Level 2 |
| Certification | Specification Certified |
| Type | AVCS Screw Cap |
| Compatibility | 9 mm Screw Thread Vials |
Thermo Scientific™ SureSTART™ 9 mm Screw Caps (Level 2) offer a high-performance sealing solution for laboratories requiring reliable, reproducible results in high-throughput LC-MS and GC-MS workflows. Engineered with AVCS™ closure technology, precision-molded polypropylene, and high-quality septa materials, these caps maintain sample integrity, minimize evaporation, and ensure uninterrupted instrumental operation. With extensive material and color options, full lot traceability, and Specification Certification, they provide trusted performance for regulated laboratory environments, making them an excellent choice for QA/QC, routine analysis, and industrial applications.
- Pre-slit: Yes No
- Color & Description: Blue AVCS™ Screw Cap with White Silicone/Red PTFE Septum, 100/pk Blue AVCS™ Screw Cap with Red Silicone/Ivory PTFE Septum, 100/pk Blue AVCS™ Screw Cap with White Silicone/Red Polyimide Septum, 100/pk Blue AVCS™ Screw Cap with Red Silicone/Ivory PTFE Septum, 5000/case Red AVCS™ Screw Cap with Red Silicone/White PTFE Septum, 100/pk Red AVCS™ Screw Cap with Red Silicone/White PTFE Septum, 5000/case Red AVCS™ Screw Cap with Red Silicone/White PTFE Septum, 1000/case Blue AVCS™ Screw Cap with Red Silicone/Ivory PTFE Septum, 1000/case Blue AVCS™ Screw Cap with White Silicone/Red PTFE Septum, 5000/case Red AVCS™ Screw Cap with White Silicone/Red PTFE Septum, 100/pk Red AVCS™ Screw Cap with White Silicone/Red PTFE Septum, 5000/case Red AVCS™ Screw Cap with White Silicone/Red PTFE Septum, 1000/case Blue AVCS™ Screw Cap with White Silicone/Red PTFE Septum, 1000/case Blue AVCS™ Screw Cap with White Silicone/Beige PTFE Septum, 100/pk Blue AVCS™ Screw Cap with White Silicone/Beige PTFE Septum, 5000/Case Blue AVCS™ Screw Cap with White Silicone/Beige PTFE Septum, 1000/Case Blue AVCS™ Screw Cap with Red Silicone/Ivory PFTE Septum, 100/pk Black AVCS™ Screw Cap with White Silicone/Red PTFE Septum, 100/pk Green AVCS™ Screw Cap with White Silicone/Red PTFE Septum, 100/pk Green AVCS™ Screw Cap with Red Silicone/Ivory PTFE Septum, 100/pk Yellow AVCS™ Screw Cap with White Silicone/Red PTFE Septum, 100/pk Black AVCS™ Screw Cap with Red Silicone/Ivory PTFE Septum, 100/pk Yellow AVCS™ Screw Cap with Red Silicone/Ivory PTFE Septum, 100/pk