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Catalog No. MN70233
Part No. 70233
Supplier MACHEREY‑NAGEL
Crimp closure, N 20, alu., gold, center tear off,Butyl dark gray/PTFE gray,3.0mm
Net Price
Special offer
Availability

6 weeks

PROPERTIES
  • Hazardous material
    No
  • Nominal diameter
    N 20
  • Recommended application(s)
    Headspace, Packaging area
  • Autosampler compatibility
    Agilent, PerkinElmer, Varian CP-9020/9025 / CP-9060 / Genesis
  • Storage temperature
    RT
  • Scope of delivery
    100x N 20 ready assembled crimp closures
  • Closure type
    Crimp closure
  • Assembling process
    Assembled
  • Cap material
    Aluminum
  • Cap color
    Gold
  • Cap hole
    Center tear off
  • Closure magnetic
    No
  • Septa material
    Butyl/PTFE, Butyl/PTFE (Pharma-Fix)
  • Colors of septa material
    Dark gray/gray
  • Septa thickness
    3.0 mm
  • Septa hardness
    50° shore A
  • 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
  • Additional cap features
    Center tear off
DESCRIPTION
Center tear off caps are crimp caps with tamper evidence. In order to be able to access and penetrate the septum, the middle cover needs to be removed from the center hole. This product is a closure with a molded Butyl/PTFE liner that is 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.
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