Agilent Screw Kits

All pictures shown are for illustration purpose only. Actual product may vary.
Agilent screw kits are available with equal numbers of wide opening 2 mL vials and 9 mm screw caps with septa. Convenience kits contain 500 of each component in a six-drawer, reusable blue plastic cabinet. Pre-assembled packs come ready-to-use with the cap and septum of your choice attached to the vial. Vial kits are packs of vials with caps and do not come pre-assembled or in storage drawers.
Specifications
Use the chart below to determine the right cap and septa combination, based on your application.
PTFE/Silicone* | PTFE/Silicone/PTFE* | PTFE/Red Rubber | |
Temperature Range | -40 - 200°C | -40 - 200°C | -40 - 90°C |
Use for multiple injections | Yes | Yes | No |
Price | Economical | Most expensive | Very economical |
Resistance to coring | Excellent | Excellent | None |
Recommended for storage | Yes | Yes | No |
Best for | Most common HPLC and GC analyses, not as resistant to coring as P/S/P | Superior performance for ultra analysis, repeat injections, internal standards | Chlorosilanes, more economical option for single injections |
*Agilent silicone is peroxide cured, making it more inertand less likely to interact with samples