ptfe/silicone septa

Ensure absolute sample integrity with our professional-grade 9-425 screw caps and septa.
The blue polypropylene cap is precisely engineered to standard dimensions (9mm diameter, 6.2mm height), while the integrated red silicone/white PTFE septum provides broad chemical resistance and outstanding resealing capability for repeated injections.

Type: One-piece magnetic threaded seal cap
Thread: 18mm diameter
Center hole: 8mm (standard) or closed top
Separator type:
・Blue PTFE/white silicone (SACA001)
・Red PTFE/white silicone (SACA002-II)
・White PTFE/blue silicone – SPME only (SACA003-1)
・Gray PTFE/red butyl (SACA004)
Cap: Metal magnetic base

Thread: 10mm diameter
Separator: PTFE/silicone composite layer
Separator thickness: 1.5mm
Compatibility: compatible with 10-425 sample bottles and all 10-425 threaded injectors

Material: PTFE/Silicone Septum + Aluminum Cap
Dimensions: 11mm crimp diameter, 5.5mm center hole
Variations: Gold/blue aluminum cap; red-white/white-red septum combination
Model: SC112114 (three-layer), SC11111/SC11212 (two-layer)

Ptfe silicone septum for vial caps
Size: can be customized
Can be pre-slit for needle easy to puncture

Hplc Vials Septum
Red PTFE White Silicone Septum
Septum Size: 11*1mm

Pre-slit ptfe/silicone septa
Diameter: 8mm, 9mm, 10mm, 11mm
Thickness: 1mm, 1.5mm

Suit for: 9mm Short Thread Vials
Caps Material: polypropylene
Cap Diameter: 9mm
Cap Features: 6mm Centre Hole or Closed Top
Septa Material: PTFE / Silicone
Septa Feature: Pre-slit I or X
Septa diameter: 9mm
Septa Thickness: 1mm

PTFE / Silicone Septum with Pre-slit 
in order to pierce easily
Diameter: 8mm to 22mm
Thickness: 1mm, 1.5mm, 3mm
Packing: 100pcs/pack, Inner PE bag; Standard Carton outside