Customizable 20mm Aluminum Crimp Caps with Septa | Multi-Color Options for HPLC/GC Analysis
Discover precision-engineered 20mm Aluminum Crimp Caps with Septa designed for chromatographic analysis and sample integrity. Our caps feature interchangeable septa in white PTFE, blue silicone, molded butyl, and more, with customizable center hole sizes (8mm/9.5mm/10mm) to fit Karl Fischer vials and headspace applications. Compatible with Agilent, Thermo Scientific, and Waters autosamplers, these caps ensure minimal extractables for sensitive MS workflows
Discover precision-engineered 20mm Aluminum Crimp Caps with Septa designed for chromatographic analysis and sample integrity. Our caps feature interchangeable septa in white PTFE, blue silicone, molded butyl, and more, with customizable center hole sizes (8mm/9.5mm/10mm) to fit Karl Fischer vials and headspace applications. Compatible with Agilent, Thermo Scientific, and Waters autosamplers, these caps ensure minimal extractables for sensitive MS workflows
Why Choose Our 20mm Crimp Caps?
✅ Custom Septa Options: Choose from silicone (white/blue/yellow), PTFE (natural/grey), or Pharma-Fix butyl septa with Shore hardness 40-55
✅ Magnetic & Pressure Release Designs: Select blue/red magnetic caps for automated systems or pressure-release caps to prevent vial rupture
✅ GC-MS/HPLC Optimized: Low-metal aluminum construction reduces background noise in high-sensitivity analyses
✅ Bulk Order Savings: 100-pc packs with volume discounts for labs
Part No. | Septa Material | Cap Color | Center Hole | Application |
---|---|---|---|---|
S201 | White PTFE/Silicone | Silver | 9.5mm | Routine HPLC |
MS207 | Pharma-Fix Butyl | Grey | 8mm | GC-MS |
SCS201201 | Pressure Release Cap | Silver | 9.5mm | Headspace Vials |
View full catalog for 15+ configurations. |
Order now to customize your [20mm Crimp Caps] with same-day shipping. Request a free septa material sample kit!