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Crimp closure, N 20, metal (magnetic), center hole,Butyl d. gray/PTFE gray,3.0mm

Magnetic 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 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 PerkinElmer (CTC Combi PAL)
Cap color Silver
Cap hole Yes
Cap material Metal (magnetic)
Closure magnetic Yes
Closure type Crimp closure
Colors of septa material Dark gray/gray
Gross weight (incl. packaging) 152 g / 0.34 lbs
Hazardous material No
Nominal diameter N 20
Packaging dimensions 150 x 200 x 20 mm / 5.91 x 7.87 x 0.79 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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