Crimp closure, N 20, alu.,blue/tin, center hole,Butyl l. gray/PTFE d. gray,3.0mm
Bi-metal crimp closures support transportation of the vial via magnet, as for e.g. in the CTC Combi PAL, the Shimadzu AOC 5000/6000 or the Gerstel autosampler. They are generally more difficult to crimp/decap which is why Headspace screw neck vials N 18 may be a more convenient alternative. We recommend Silicone/PTFE septa as the optimal choice for Headspace, as they offer a temperature resistance form -60 °C up to 200 °C, highest analytical purity and excellent penetration properties. Septa are assembled, caps are ready-to-use. Septa are shown for illustration purposes only, images upside down.
| Additional closure features | Temp. resistance -40 °C up to 120 °C / analytical purity - medium / medium to penetrate / medium resealability |
|---|---|
| Assembling process | Assembled |
| Autosampler compatibility | PerkinElmer (CTC Combi PAL) |
| Cap color | Blue/silver |
| Cap hole | Yes |
| Cap material | Aluminum/tin |
| Closure magnetic | Yes |
| Closure type | Crimp closure |
| Colors of septa material | Light gray/dark gray |
| Gross weight (incl. packaging) | 244 g / 0.54 lbs |
| Hazardous material | No |
| Nominal diameter | N 20 |
| Packaging dimensions | 146 x 230 x 27 mm / 5.75 x 9.06 x 1.06 Inch |
| Recommended application(s) | Headspace |
| Scope of delivery | 100x N 20 ready assembled crimp closures |
| Septa hardness | 50° shore A |
| Septa material | Butyl/PTFE |
| Septa thickness | 3.0 mm / 118,1 mil |
| Storage temperature | 15–25 °C / 59–77 °F |
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