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Catalog No. MN70234.10
Part No. 70234.10
Supplier MACHEREY‑NAGEL
Crimp closure, N 20, alu., center hole,Butyl d. gray/PTFE gray,high purity,3.0mm
Net Price
Special offer
Availability

6 weeks

PROPERTIES
  • Hazardous material
    No
  • Nominal diameter
    N 20
  • Recommended application(s)
    Headspace
  • Autosampler compatibility
    Agilent, PerkinElmer, Varian
  • 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
    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 closure features
    High purity molded septum, only centrically laminated with PTFE, typically called Pharma-Fix, excellent sealing, temp. resistant from -40 °C up to 120 °C
DESCRIPTION
Similar product as 70234, however, with a higher analytical purity. 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.
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