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Catalog No. MN702055
Part No. 702055
Supplier MACHEREY‑NAGEL
Screw closure, N 18, metal (magn.), sil., center hole, Silic. w./PTFE blue,1.5mm
Net Price
Special offer
Availability

6 weeks

PROPERTIES
  • Hazardous material
    No
  • Nominal diameter
    N 18
  • Recommended application(s)
    Headspace, SPME
  • Autosampler compatibility
    Agilent, CTC, Knauer, PerkinElmer, Shimadzu, Thermo Scientific, Varian
  • Storage temperature
    RT
  • Scope of delivery
    100x N 18 ready assembled screw closures
  • Closure type
    Screw closure
  • Assembling process
    Assembled
  • Cap material
    Metal (magnetic)
  • Cap color
    Silver
  • Cap hole
    Yes
  • Closure magnetic
    Yes
  • Septa material
    Silicone/PTFE
  • Colors of septa material
    White/blue
  • Septa thickness
    1.5 mm
  • Septa hardness
    45° shore A
  • Additional closure features
    Temp. resistance septa -60 °C up to 200 °C / analytical purity - high / easy to penetrate / medium resealability
  • Additional cap features
    Non-standardized precision thread
DESCRIPTION
Magnetic screw closures N 18 have a more convenient, consistent, and safer sealing process compared to crimping (better reproducibility). Due to the thinner septum (1.5 instead of 3 mm), penetration of the needle is easier and executed with less fragmentation (especially important for SPME applications). They offer a flat surface for the magnet; thus the filled vial cannot drop from the magnet which may be the case with over-crimped vials due to the convexity of the cap.
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