Screw closure, N 18, metal (magn.), sil.,c. hole,Silicone blue tr./PTFE w.,1.5mm
Magnetic screw closures N 18 have a more convenient, consistent, and safer sealing process compared to crimping (better reproducibility). Due to the thinner septum (1.5 instead of 3 mm), penetration of the needle is easier and executed with less fragmentation (especially important for SPME applications). They offer a flat surface for the magnet; thus the filled vial cannot drop from the magnet which may be the case with over-crimped vials due to the convexity of the cap.
| Additional cap features | Non-standardized precision thread |
|---|---|
| Additional closure features | Temp. resistance septa -60 °C up to 200 °C / analytical purity - high / easy to penetrate / medium resealability |
| Assembling process | Assembled |
| Autosampler compatibility | CTC, Knauer, PerkinElmer, Shimadzu, Thermo Scientific, Varian |
| Cap color | Silver |
| Cap hole | Yes |
| Cap material | Metal (magnetic) |
| Closure magnetic | Yes |
| Closure type | Screw closure |
| Colors of septa material | Blue transparent/white |
| Gross weight (incl. packaging) | 180 g / 0.4 lbs |
| Hazardous material | No |
| Nominal diameter | N 18 |
| Packaging dimensions | 150 x 200 x 30 mm / 5.91 x 7.87 x 1.18 Inch |
| Recommended application(s) | Headspace, SPME |
| Scope of delivery | 100x N 18 ready assembled screw closures |
| Septa hardness | 45° shore A |
| Septa material | Silicone/PTFE |
| Septa thickness | 1.5 mm / 59,1 mil |
| Storage temperature | 15–25 °C / 59–77 °F |
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