Crimp closure, N 20, alu.,pressure rel.,center hole,Butyl d.gray/PTFE gray,3.0mm

$71.50 * $0.00 * (0% Saved)

*taxes and shipping not included

Delivery time approx. 5 working days

702071 02301023501020
Package unit 100 Piece(s)
Price overview
Quantity Price/unit
To 9 $71.50
From 10 $60.90
From 50 $54.90
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These closures with molded Butyl/PTFE septa are only laminated with PTFE in the contact area... more

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. These typically called "Pharma-Fix" closures have a good analytical purity. 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).

Closure type Crimp closure
Nominal diameter N 20
Assembling process Assembled
Cap material Aluminum
Cap color Silver
Cap hole Yes
Closure magnetic No
Septa material Butyl/PTFE (high purity), Butyl/PTFE (Pharma-Fix)
Colors of septa material Dark gray/gray
Septa thickness 3.0 mm
Septa hardness 50° shore A
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 Molded septum, only centrically laminated with PTFE, typically called Pharma-Fix, excellent sealing, temp. resistant from -40 °C up to 120 °C
Recommended application(s) Headspace
Autosampler compatibility Agilent, PerkinElmer
Storage temperature RT
Scope of delivery 100x N 20 ready assembled crimp closures
Hazardous material No