N 20 Aluminium crimp cap, silver, center hole Butyl dark gray/centrical PTFE-lamination gray Hardness: 50° shore A Thickness: 3 mm pack of 100

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N 20 Aluminium crimp cap, silver, center hole Butyl dark gray/centrical PTFE-lamination gray Hardness: 50° shore A Thickness: 3 mm pack of 100

Manufacturer: Macherey-Nagel
Item Number: 70234

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£51.30

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Description
Specifications

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.

Technical Specifications
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