CUSTOM ITEM: Caps, Screw Top, Solid, with a Red-Orange Silicone Rubber / TEF liner, in "knurled", closed Black Caps. For use with 10-425mm thread,12x32mm autosampler vials. MICROSOLV Brand 100/PK.
Additional Info:
Provide reliable, long‑term sealing performance with solid‑top screw caps designed for storage and protection of samples.
9503S‑09‑KR caps feature a solid (closed) top design with a silicone rubber / TEF liner that creates a tight, leak‑resistant seal. This liner combination offers excellent chemical compatibility while maintaining a dependable barrier against evaporation, contamination, and sample loss during storage.
The knurled polypropylene cap allows easy handling and consistent tightening, while the liner provides flexibility and sealing integrity across a range of solvent systems. These caps are especially suited for wide‑mouth autosampler vials where a secure seal is critical for maintaining sample stability over time.
Key Benefits
Solid top design enhances sealing and containment
Silicone / TEF liner provides strong chemical compatibility
Excellent sealing for long‑term storage applications
Knurled cap design ensures easy handling and tightening
Compatible with wide‑mouth vial configurations
Durable polypropylene construction
Typical Applications
Sample storage in autosampler vials
HPLC and LC‑MS workflows requiring sealed storage
Pharmaceutical and chemical sample handling
Environmental and food testing
Long‑term sample retention
Compatibility
Designed for 10‑425 thread autosampler vials (12 × 32 mm)
Recommended for wide‑mouth vial configurations
Performance and Design Notes
Solid top eliminates puncture points for improved sealing
Silicone liner provides flexibility and compression
TEF layer enhances chemical resistance
Designed for storage rather than repeated needle access
Important Notes
Not designed for needle penetration
Best suited for storage and transport applications
Provides improved sealing vs open or slit septa designs
Custom Item Pricing Information