CUSTOM ITEM: Caps, Screw Top, with Silicone Rubber / PTFE Septa, fitted in smooth sided, Robo Style, soft polypropylene, Black Caps. For use with 9-425mm thread, 12x32mm autosampler vials. BASIK Brand. 100/PK.
Additional Info:
Designed for consistent sealing performance in automated workflows, these custom Robo‑style screw caps provide a dependable solution for standard 9‑425 autosampler vial formats.
9502S‑05‑K caps feature a smooth, soft polypropylene construction optimized for robotic handling systems, ensuring reliable gripping, capping, and de‑capping in high‑throughput environments. The integrated silicone rubber / PTFE septa offer a balanced combination of resealability and chemical resistance, supporting repeated injections in HPLC and LC‑MS workflows.
These caps are dimensionally compatible with industry‑standard 12 × 32 mm autosampler vials and are commonly used as an alternative to National™ / Thermo Scientific™ DP™ screw caps. As a custom item, they are ideal for laboratories requiring specific configurations or ongoing supply for validated methods and automated systems.
Key Benefits
Designed for 9‑425 thread, 12 × 32 mm autosampler vials
Robo‑style smooth caps improve robotic handling performance
Silicone / PTFE septa provide reliable sealing and resealability
Compatible with standard HPLC, UHPLC, and LC‑MS workflows
High‑purity polypropylene caps for consistent performance
Equivalent alternative to major industry brands
Custom item available for specialized requirements
Typical Applications
LC‑MS and LC‑MS/MS autosampler workflows
HPLC and UHPLC analysis
High‑throughput and automated sample handling systems
Pharmaceutical and analytical laboratories
Routine and validated analytical methods
Specifications
Cap Type: Screw Top (Robo‑style, smooth side)
Thread: 9‑425
Cap Material: Soft polypropylene
Septa: Silicone rubber / PTFE
Color: Black
Pack Size: 100 caps
Compatibility
Fits standard 12 × 32 mm autosampler vials
Compatible with most HPLC, UHPLC, and LC‑MS autosamplers
Suitable for automated capping and de‑capping systems
Performance and Design Notes
Smooth exterior supports robotic handling systems
Septa optimized for repeated needle penetrations
Provides consistent sealing across varied applications
Designed to meet requirements of automated laboratories
Important Notes
Custom item – available upon request
Compare to National™ / Thermo Scientific™ DP™ screw caps
Case quantities available (request via customer support)
Ideal for labs requiring consistent cap performance in automation
Custom Item Pricing Information