Crimp closure, N 20, alu., center hole, Butyl dark gray/PTFE gray, 3.0 mm
These closures with molded Butyl/PTFE septa are only laminated with PTFE in the contact area with the sample. Thus the elastomeric Butyl can achieve on the vial's glass rims a very tight seal, while in comparison a completely PTFE covered septum would have a very slippery surface on the glass and could easily be twisted around.
| Additional closure features | Molded septum, only centrically laminated with PTFE, typically called Pharma-Fix, excellent sealing, temp. resistant from -40 °C up to 120 °C |
|---|---|
| Assembling process | Assembled |
| Autosampler compatibility | Agilent, PerkinElmer, Varian CP-9020/9025 / CP-9060 / Genesis |
| Cap color | Silver |
| Cap hole | Yes |
| Cap material | Aluminum |
| Closure magnetic | No |
| Closure type | Crimp closure |
| Colors of septa material | Dark gray/gray |
| Gross weight (incl. packaging) | 176 g / 0.39 lbs |
| Hazardous material | No |
| Nominal diameter | N 20 |
| Packaging dimensions | 220 x 150 x 15 mm / 8.66 x 5.91 x 0.59 Inch |
| Recommended application(s) | Headspace |
| Scope of delivery | 100x N 20 ready assembled crimp closures |
| Septa hardness | 50° shore A |
| Septa material | Butyl/PTFE, Butyl/PTFE (Pharma-Fix) |
| Septa thickness | 3.0 mm / 118,1 mil |
| Storage temperature | 15–25 °C / 59–77 °F |
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