Screw closure, N 8, PP, black, closed top, Silicone white/PTFE red, 1.3 mm

These screw closures N 8 are suitable to seal 8-425, small (standard) opening screw neck vials. For HPLC analysis closures with slit (702437) or non-slit Silicone/PTFE (70245) liners are quite popular, whereas in GC also Red Rubber/FEP might be a suitable closure. Closed top versions are used for sample storage.

Technical Data

Hazardous material No
Closure type Screw closure
Nominal diameter N 8
Assembling process Assembled
Cap material Polypropylene (PP)
Cap color Black
Cap hole No
Closure magnetic No
Septa material Silicone/PTFE
Colors of septa material White/red
Septa thickness 1.3 mm
Septa hardness 45° shore A
Additional closure features Temp. resistance septa -60 °C up to 200 °C – however, PP cap only up to 120 °C / analytical purity – high
Recommended application(s) Sample storage
Autosampler compatibility Not available or not applicable
Storage temperature RT
Scope of delivery 100x N 8 ready assembled screw closures

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Download Catalog Chromatography (English)

Download Brochure Vials and caps (English)