Crimp closure, N20,alu.,pressure rel,center hole,Butyl l.gray/PTFE d.gray,3.0mm
Butyl/PTFE closures with a good analytical purity. Equivalent closure to 70234.8, however, with a punched septa instead of a molded one. Very good price performance ratio. The bridges of the cap's scorelines break open at an internal vial pressure exceeding 3 bars (± 0.5 bars), thus releasing overpressure in a crontrolled way. Functionality of the cap is not depending on the design of the vial's crimp neck (beveled top, flat crimp neck).
| Additional cap features | Pressure release cap (safety) - bridges of the scorelines open at a pressure of more than 3 bars (± 0.5 bars) and release pressure in a controlled way |
|---|---|
| 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 |
| Cap color | Silver |
| Cap hole | Yes |
| Cap material | Aluminum |
| Closure magnetic | No |
| Closure type | Crimp closure |
| Colors of septa material | Light gray/dark gray |
| Gross weight (incl. packaging) | 174 g / 0.38 lbs |
| Hazardous material | No |
| Nominal diameter | N 20 |
| Packaging dimensions | 200 x 150 x 25 mm / 7.87 x 5.91 x 0.98 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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